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Rifle Scopes 5-25 Premier Heritage w/DTAC Reticle (pic heavy)
- Thread starter :X2:
- Start date
Re: Anyone else notice the U.F.O.?
You’re mistaken, that’s just a weather balloon. Nothing Else……
You’re mistaken, that’s just a weather balloon. Nothing Else……
Re: Anyone else notice the U.F.O.?
Maybe it's the balloon that kid was "hiding" in a few weeks ago?
Maybe it's the balloon that kid was "hiding" in a few weeks ago?
Re: 5-25 Premier Heritage w/DTAC Reticle (pic heavy)
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: One-Eyed Jack</div><div class="ubbcode-body"> I'm guessing - 6.5-284? </div></div>
6.5 155smk at 3000fps? gotta be 6.5-284......
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: One-Eyed Jack</div><div class="ubbcode-body"> I'm guessing - 6.5-284? </div></div>
6.5 155smk at 3000fps? gotta be 6.5-284......
Re: 5-25 Premier Heritage w/DTAC Reticle (pic heavy)
Did you get a class at NASA to learn how to use it ???
thats a lot of referance??
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: X2</div><div class="ubbcode-body">25x
</div></div>
Did you get a class at NASA to learn how to use it ???
thats a lot of referance??
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: X2</div><div class="ubbcode-body">25x
Re: 5-25 Premier Heritage w/DTAC Reticle (pic heavy)
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Bill Stoffels</div><div class="ubbcode-body">Did you get a class at NASA to learn how to use it ???
</div></div>
Nope, just click here and spend some time....it is a lot of info.
http://www.davidtubb.com/tcom_images/dtac/reticle_rev6.pdf
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Bill Stoffels</div><div class="ubbcode-body">Did you get a class at NASA to learn how to use it ???
</div></div>
Nope, just click here and spend some time....it is a lot of info.
http://www.davidtubb.com/tcom_images/dtac/reticle_rev6.pdf
Re: 5-25 Premier Heritage w/DTAC Reticle (pic heavy)
could I ask how much the TUBB reticle was??
Bill
could I ask how much the TUBB reticle was??
Bill
Re: 5-25 Premier Heritage w/DTAC Reticle (pic heavy)
SSS doesn't sell the reticle separately, like Horus will, but they offer two scopes with the DTAC reticle. The 5-25x PR with the 115DTAC reticle is about $3100. The 308Win DTAC reticle is/will be in the 3-15x PR scope, but I don't know the price. You should call David at SSS.
SSS doesn't sell the reticle separately, like Horus will, but they offer two scopes with the DTAC reticle. The 5-25x PR with the 115DTAC reticle is about $3100. The 308Win DTAC reticle is/will be in the 3-15x PR scope, but I don't know the price. You should call David at SSS.
Re: 5-25 Premier Heritage w/DTAC Reticle (pic heav
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: X2</div><div class="ubbcode-body">This is the Mil Ranging Calculation Graph. Size of target is on the left, Yards on the Bottom and Mil lines are running diagonally. So lets say our target is 3ft tall and ranged 1 mil. You would start at 3ft on the left side, move 90 degrees to the right until you hit the 1 mil diagonal line and go strait down where the two lines meet, solution 1000yds.
</div></div>
This is a handy little graph. Does this exist anywhere outside of this reticle? I would love to get my hands on one that I could manipulate myself.
GM
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: X2</div><div class="ubbcode-body">This is the Mil Ranging Calculation Graph. Size of target is on the left, Yards on the Bottom and Mil lines are running diagonally. So lets say our target is 3ft tall and ranged 1 mil. You would start at 3ft on the left side, move 90 degrees to the right until you hit the 1 mil diagonal line and go strait down where the two lines meet, solution 1000yds.
This is a handy little graph. Does this exist anywhere outside of this reticle? I would love to get my hands on one that I could manipulate myself.
GM
Re: 5-25 Premier Heritage w/DTAC Reticle (pic heav
Or build your own in Excel.
I find a Mildot Master more useful.
Or build your own in Excel.
I find a Mildot Master more useful.
Re: 5-25 Premier Heritage w/DTAC Reticle (pic heav
Very freakn cool. I will have to say this was the first thought that came to mind.
Very freakn cool. I will have to say this was the first thought that came to mind.
Re: 5-25 Premier Heritage w/DTAC Reticle (pic heav
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Lindy</div><div class="ubbcode-body">
I find a Mildot Master more useful.
</div></div>
And quicker!
I think the DTac reticle is a neato novelty to have everything you'd need inside your scope if you found yourself without any other support kit and had a load that matched with it 100% (and therein lies the rub).
I'd like to have one, but if I only had one reticle I doubt if it'd be it!
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Lindy</div><div class="ubbcode-body">
I find a Mildot Master more useful.
</div></div>
And quicker!
I think the DTac reticle is a neato novelty to have everything you'd need inside your scope if you found yourself without any other support kit and had a load that matched with it 100% (and therein lies the rub).
I'd like to have one, but if I only had one reticle I doubt if it'd be it!
Re: 5-25 Premier Heritage w/DTAC Reticle (pic heav
It won't be long before there will be scopes which create an electronic reticle which obviate the need for anything other than a crosshair or other aiming point. The rangefinder and atmospheric sensors will live in the scope or attached to it.
The wind will be problematic in the relative near range and may require manual entry for a while, as may moving target leads, but everything else is pretty much ready to rock and roll.
Actually, now that I think about it, if you know the target range, moving target compensation can be done, too.
Automatic compensation for pressure, temperature, humidity, shot angle, change in muzzle velocity with temperature, and range.
We're getting closer than most think to that now.
It won't be long before there will be scopes which create an electronic reticle which obviate the need for anything other than a crosshair or other aiming point. The rangefinder and atmospheric sensors will live in the scope or attached to it.
The wind will be problematic in the relative near range and may require manual entry for a while, as may moving target leads, but everything else is pretty much ready to rock and roll.
Actually, now that I think about it, if you know the target range, moving target compensation can be done, too.
Automatic compensation for pressure, temperature, humidity, shot angle, change in muzzle velocity with temperature, and range.
We're getting closer than most think to that now.
Re: 5-25 Premier Heritage w/DTAC Reticle (pic heav
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Lindy</div><div class="ubbcode-body">It won't be long before there will be scopes which create an electronic reticle which obviate the need for anything other than a crosshair or other aiming point. The rangefinder and atmospheric sensors will live in the scope or attached to it.
The wind will be problematic in the relative near range and may require manual entry for a while, as may moving target leads, but everything else is pretty much ready to rock and roll.
Actually, now that I think about it, if you know the target range, moving target compensation can be done, too.
Automatic compensation for pressure, temperature, humidity, shot angle, change in muzzle velocity with temperature, and range.
We're getting closer than most think to that now.
</div></div>
I'm reminded of the clever mechanical addition they made to our naval anti-aircraft guns in WWII, part way through the war- based on the rotational speed of the turret, aka the angular speed of tracking the target, the gun would "lead" the fire ahead of the reticle. This worked because they knew the average speed of the Japanese aircraft the gunners would be shooting at. Simple trigonometry led to the perfect lead, and the hit rate went up significantly.
You could theoretically build the same thing into a scope for human walking or running. Now, what's the groundspeed for an unladen insurgent?
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Lindy</div><div class="ubbcode-body">It won't be long before there will be scopes which create an electronic reticle which obviate the need for anything other than a crosshair or other aiming point. The rangefinder and atmospheric sensors will live in the scope or attached to it.
The wind will be problematic in the relative near range and may require manual entry for a while, as may moving target leads, but everything else is pretty much ready to rock and roll.
Actually, now that I think about it, if you know the target range, moving target compensation can be done, too.
Automatic compensation for pressure, temperature, humidity, shot angle, change in muzzle velocity with temperature, and range.
We're getting closer than most think to that now.
</div></div>
I'm reminded of the clever mechanical addition they made to our naval anti-aircraft guns in WWII, part way through the war- based on the rotational speed of the turret, aka the angular speed of tracking the target, the gun would "lead" the fire ahead of the reticle. This worked because they knew the average speed of the Japanese aircraft the gunners would be shooting at. Simple trigonometry led to the perfect lead, and the hit rate went up significantly.
You could theoretically build the same thing into a scope for human walking or running. Now, what's the groundspeed for an unladen insurgent?
Re: 5-25 Premier Heritage w/DTAC Reticle (pic heav
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: CaptainChaos51</div><div class="ubbcode-body">Very freakn cool. I will have to say this was the first thought that came to mind.
</div></div>
Zoom out and dial 4 Mil left... I want to check sports.
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: CaptainChaos51</div><div class="ubbcode-body">Very freakn cool. I will have to say this was the first thought that came to mind.
Zoom out and dial 4 Mil left... I want to check sports.
Re: 5-25 Premier Heritage w/DTAC Reticle (pic heav
<span style="font-weight: bold">
Dam' ...I cant stop laughing!!!!
</span>
<span style="font-weight: bold">
Re: 5-25 Premier Heritage w/DTAC Reticle (pic heavy)
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: johnl</div><div class="ubbcode-body">Looks like a fighter HUD lol </div></div>
Right !
How is that possble to find a target behind that Xmas three ?
PP out
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: johnl</div><div class="ubbcode-body">Looks like a fighter HUD lol </div></div>
Right !
How is that possble to find a target behind that Xmas three ?
PP out
Re: 5-25 Premier Heritage w/DTAC Reticle (pic heav
Call David Tubb at SSS, he has the same info in laminated card format. Cheaper than the scope.(To get the cards and graphs.)
Call David Tubb at SSS, he has the same info in laminated card format. Cheaper than the scope.(To get the cards and graphs.)
Re: 5-25 Premier Heritage w/DTAC Reticle (pic heav
<div class="ubbcode-block"><div class="ubbcode-header">Quote:</div><div class="ubbcode-body">.(To get the cards and graphs.)</div></div>
No need.
You can make your own Density Altitude ballistic cards using JBM Ballistics. Costs nothing.
http://www.jbmballistics.com/cgi-bin/jbmcard-5.0.cgi
For more detail on doing that, which apply to any ballistic program:
Making Ballistic Cards Using Density Altitude
For computing Density Altitude manually:
Manual Calculation of Density Altitude
For ranging with the reticle, use a Mildot Master.
<div class="ubbcode-block"><div class="ubbcode-header">Quote:</div><div class="ubbcode-body">.(To get the cards and graphs.)</div></div>
No need.
You can make your own Density Altitude ballistic cards using JBM Ballistics. Costs nothing.
http://www.jbmballistics.com/cgi-bin/jbmcard-5.0.cgi
For more detail on doing that, which apply to any ballistic program:
Making Ballistic Cards Using Density Altitude
For computing Density Altitude manually:
Manual Calculation of Density Altitude
For ranging with the reticle, use a Mildot Master.
Re: 5-25 Premier Heritage w/DTAC Reticle (pic heav
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Lindy</div><div class="ubbcode-body">It won't be long before there will be scopes which create an electronic reticle which obviate the need for anything other than a crosshair or other aiming point. The rangefinder and atmospheric sensors will live in the scope or attached to it.
The wind will be problematic in the relative near range and may require manual entry for a while, as may moving target leads, but everything else is pretty much ready to rock and roll.
Actually, now that I think about it, if you know the target range, moving target compensation can be done, too.
Automatic compensation for pressure, temperature, humidity, shot angle, change in muzzle velocity with temperature, and range.
We're getting closer than most think to that now.
</div></div>
It actually should be very easy. I think all of the parts have been invented, it just requires something to make them all talk to each other (except I haven't seen anything for calculating moving targets on the fly, though with an accelerometer, it should be possible to measure and it is easily calculable).
Of course, everyone would need to learn to do it manually because something that complex is guaranteed to break in the field more often than not. That said, it starts with building the thing and eventually, it should evolve to become more compact and ruggedized.
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Lindy</div><div class="ubbcode-body">It won't be long before there will be scopes which create an electronic reticle which obviate the need for anything other than a crosshair or other aiming point. The rangefinder and atmospheric sensors will live in the scope or attached to it.
The wind will be problematic in the relative near range and may require manual entry for a while, as may moving target leads, but everything else is pretty much ready to rock and roll.
Actually, now that I think about it, if you know the target range, moving target compensation can be done, too.
Automatic compensation for pressure, temperature, humidity, shot angle, change in muzzle velocity with temperature, and range.
We're getting closer than most think to that now.
</div></div>
It actually should be very easy. I think all of the parts have been invented, it just requires something to make them all talk to each other (except I haven't seen anything for calculating moving targets on the fly, though with an accelerometer, it should be possible to measure and it is easily calculable).
Of course, everyone would need to learn to do it manually because something that complex is guaranteed to break in the field more often than not. That said, it starts with building the thing and eventually, it should evolve to become more compact and ruggedized.
Re: 5-25 Premier Heritage w/DTAC Reticle (pic heav
very nice reticle but the way I change rifles and calibers ??? one cal one scope just does not work for me
Bill
very nice reticle but the way I change rifles and calibers ??? one cal one scope just does not work for me
Bill
Re: 5-25 Premier Heritage w/DTAC Reticle (pic heav
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Lindy</div><div class="ubbcode-body">
No need.
You can make your own Density Altitude ballistic cards using JBM Ballistics. Costs nothing.
http://www.jbmballistics.com/cgi-bin/jbmcard-5.0.cgi
For more detail on doing that, which apply to any ballistic program:
Making Ballistic Cards Using Density Altitude
For computing Density Altitude manually:
Manual Calculation of Density Altitude
For ranging with the reticle, use a Mildot Master.
</div></div>
Thanks for that info!!
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Lindy</div><div class="ubbcode-body">
No need.
You can make your own Density Altitude ballistic cards using JBM Ballistics. Costs nothing.
http://www.jbmballistics.com/cgi-bin/jbmcard-5.0.cgi
For more detail on doing that, which apply to any ballistic program:
Making Ballistic Cards Using Density Altitude
For computing Density Altitude manually:
Manual Calculation of Density Altitude
For ranging with the reticle, use a Mildot Master.
</div></div>
Thanks for that info!!
Re: 5-25 Premier Heritage w/DTAC Reticle (pic heavy)
Looks nice, but I've never liked scopes that you have to turn the power *down*, to shoot *farther*.
I think on max magnification, the bottom of the Ret should be at the bottom of your view. Not out of view.
IOR has one out like that. To use from 10 mils to 15 mils, you have to turn the power down from 18x to about 12x. So you turn your scope down in magnification, to shoot past 900 yards
Dont make no snese to me
Looks nice, but I've never liked scopes that you have to turn the power *down*, to shoot *farther*.
I think on max magnification, the bottom of the Ret should be at the bottom of your view. Not out of view.
IOR has one out like that. To use from 10 mils to 15 mils, you have to turn the power down from 18x to about 12x. So you turn your scope down in magnification, to shoot past 900 yards
Dont make no snese to me
Re: 5-25 Premier Heritage w/DTAC Reticle (pic heavy)
If you're shooting at a distance which will bring the point of aim close to the bottom of the scope, and you want maximum magnification, simply dial elevation to bring the POA back up to the center.
For example, if I'm shooting at an 1100 yard target, I can just dial my dope for 1000 yards, and hold the difference - or just dial the 1100 yard dope.
Just because you <span style="font-style: italic">can</span> hold out to whatever distance you're shooting doesn't mean you <span style="font-style: italic">have</span> to.
If you're shooting at a distance which will bring the point of aim close to the bottom of the scope, and you want maximum magnification, simply dial elevation to bring the POA back up to the center.
For example, if I'm shooting at an 1100 yard target, I can just dial my dope for 1000 yards, and hold the difference - or just dial the 1100 yard dope.
Just because you <span style="font-style: italic">can</span> hold out to whatever distance you're shooting doesn't mean you <span style="font-style: italic">have</span> to.
Re: 5-25 Premier Heritage w/DTAC Reticle (pic heavy)
This is an awesome graph. Can someone do this for MOA?
This is an awesome graph. Can someone do this for MOA?
Re: 5-25 Premier Heritage w/DTAC Reticle (pic heavy)
Sure - but it's very hard to read that graph to any degree of accuracy. For example, use that graph to tell me the range of a 21 inch target which measures 0.8 mils.
Just get a Mildot Master. You'll have a solution with it while you're trying to figure out where the appropriate numbers on that graph are. And bear in mind that graph you see there is several <span style="font-weight: bold">times</span> the size of the one in the scope reticle.
Sure - but it's very hard to read that graph to any degree of accuracy. For example, use that graph to tell me the range of a 21 inch target which measures 0.8 mils.
Just get a Mildot Master. You'll have a solution with it while you're trying to figure out where the appropriate numbers on that graph are. And bear in mind that graph you see there is several <span style="font-weight: bold">times</span> the size of the one in the scope reticle.
Re: 5-25 Premier Heritage w/DTAC Reticle (pic heavy)
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Lindy</div><div class="ubbcode-body">Sure - but it's very hard to read that graph to any degree of accuracy. For example, use that graph to tell me the range of a 21 inch target which measures 0.8 mils.
Just get a Mildot Master. You'll have a solution with it while you're trying to figure out where the appropriate numbers on that graph are. And bear in mind that graph you see there is several <span style="font-weight: bold">times</span> the size of the one in the scope reticle.
</div></div>
I understand what you are saying but not sure how well most people can estimate size of an object down to an inch unless we are talking about known paper or steel targets. Even a the quoted "4ft fence" is not accurate cause who knows how deep the fence is installed. It could be 45" or 50" as far as we know.
Obviously nothing will beat a range finder, but when you dont want to calculate anything, the graph even printed larger on the stock i think may be useful particularly when you are ranging larger man/game size targets.
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Lindy</div><div class="ubbcode-body">Sure - but it's very hard to read that graph to any degree of accuracy. For example, use that graph to tell me the range of a 21 inch target which measures 0.8 mils.
Just get a Mildot Master. You'll have a solution with it while you're trying to figure out where the appropriate numbers on that graph are. And bear in mind that graph you see there is several <span style="font-weight: bold">times</span> the size of the one in the scope reticle.
</div></div>
I understand what you are saying but not sure how well most people can estimate size of an object down to an inch unless we are talking about known paper or steel targets. Even a the quoted "4ft fence" is not accurate cause who knows how deep the fence is installed. It could be 45" or 50" as far as we know.
Obviously nothing will beat a range finder, but when you dont want to calculate anything, the graph even printed larger on the stock i think may be useful particularly when you are ranging larger man/game size targets.
Re: 5-25 Premier Heritage w/DTAC Reticle (pic heavy)
No ranging method besides a laser works at extended distances if you don't know the size of the target.
Sure, I can estimate range accurately enough at or less than 500 yards to hit people-sized targets by eye.
I've been messing around with ranging UKD targets for a long time. I've printed Excel spread sheets, used ballistic programs, and most things you can think of.
I keep coming back to the Mildot Master as the fastest and handiest way of doing UKD calculations in the field. It's fast, it's accurate, it had no batteries, and it allows you to quickly see how much range uncertainty you get from slightly varying your image size.
Nothing beats it for speed and accuracy.
It will also measure an angle to a target which isn't level with the shooter, and calculate the change in dope required by the angle.
If you've tried one, and like something else better, no problem. If you haven't, well, you might wish to.
No ranging method besides a laser works at extended distances if you don't know the size of the target.
Sure, I can estimate range accurately enough at or less than 500 yards to hit people-sized targets by eye.
I've been messing around with ranging UKD targets for a long time. I've printed Excel spread sheets, used ballistic programs, and most things you can think of.
I keep coming back to the Mildot Master as the fastest and handiest way of doing UKD calculations in the field. It's fast, it's accurate, it had no batteries, and it allows you to quickly see how much range uncertainty you get from slightly varying your image size.
Nothing beats it for speed and accuracy.
It will also measure an angle to a target which isn't level with the shooter, and calculate the change in dope required by the angle.
If you've tried one, and like something else better, no problem. If you haven't, well, you might wish to.
Re: 5-25 Premier Heritage w/DTAC Reticle (pic heavy)
I dont dial elevation. Just winadge.
I never need more than 6MOA wind out to 1000 here, and my USO has that set up very easily. Its at 0 with no wind, then has 6R...5R...4R...3R...2R...1R...0...1L...2L...3L...4L...5L...6L
Yadada mean?
PCMOA I think I got(cant believe I dont freakin know)
80moa of elevation total, 40 from center to bottom. I use the 40 from center to bottom. Gets me to 1k with my .243.
Thats what works for me. It's QUICK
I dont dial elevation. Just winadge.
I never need more than 6MOA wind out to 1000 here, and my USO has that set up very easily. Its at 0 with no wind, then has 6R...5R...4R...3R...2R...1R...0...1L...2L...3L...4L...5L...6L
Yadada mean?
PCMOA I think I got(cant believe I dont freakin know)
80moa of elevation total, 40 from center to bottom. I use the 40 from center to bottom. Gets me to 1k with my .243.
Thats what works for me. It's QUICK
Re: 5-25 Premier Heritage w/DTAC Reticle (pic heav
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: One-Eyed Jack</div><div class="ubbcode-body">My favorite reticle for sure, it was developed by Brand Cole while he was at SSS. The downside is that it works for a single bullet (BC) and muzzle velocity, but I shoot 115DTACs at 2,950fps and am a happy camper doing it. There are DTAC reticles for other rounds too.
I wondered about installing this reticle in a 5-25x scope. Originally they were installed in a S&B 4-16x PMII and I've never needed the extra magnification. In fact, you have to reduce magnification to see the longer range holdovers. From X2's images, it looks like 20x is the optimum magnification to have if you want to use the ranging reticle, so maybe the 5-25x is the way to go.
You don't really need all the peripheral graphics if you know your density altitude (use a Kestrel, for example), but the charts can be used to estimate it if you know some basic information. You see these charts only at low magnifications, and they "disappear" at higher magnifications. These peripheral charts lead up to simple corrections for environmental factors that you dial in with the usual turret knobs, then you use the main reticle that is very fast and easy to use. It might sound complicated, but it's not if you already know your local DA. Once you dial in the small corrections, the reticle is good to use and even includes a spin drift correction.
Note the special markings on the elevation dial for making the small corrections for DA. The turret is set for 6 MOA down.
Finally, although the reticle is designed for a specific BC and MV, you can make corrections for slightly higher or lower MVs by finding the equivalent change in DA. For example, for the 115DTAC, an increase/decrease of 25fps in MV is roughly equivalent to an increase/decrease in DA of 1,000 feet (if I remember correctly what Brand told me).
It's a great reticle and I'm happy to see David Tubb working to make it more prolific.
X2, the original DTAC reticle had at least one more graph that was the correction for density altitude that is dialed on the turret. How do you know what the correction is if you don't have that chart (I use a hard copy so I don't have to look through the scope for the info)?</div></div>
Thanks for the good info!
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: BOLTRIPPER</div><div class="ubbcode-body">i actually hit a larue at 40yd less than a mile with one of the early DTAC reticules....did it 4x out of 12 rounds sent...at 6 power and the bottom of the christmas tree.....me thinks the 6xc was a bit tired when it got there.</div></div>
I was there with you and hit that small silhouette target a few more times than that!
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: One-Eyed Jack</div><div class="ubbcode-body">My favorite reticle for sure, it was developed by Brand Cole while he was at SSS. The downside is that it works for a single bullet (BC) and muzzle velocity, but I shoot 115DTACs at 2,950fps and am a happy camper doing it. There are DTAC reticles for other rounds too.
I wondered about installing this reticle in a 5-25x scope. Originally they were installed in a S&B 4-16x PMII and I've never needed the extra magnification. In fact, you have to reduce magnification to see the longer range holdovers. From X2's images, it looks like 20x is the optimum magnification to have if you want to use the ranging reticle, so maybe the 5-25x is the way to go.
You don't really need all the peripheral graphics if you know your density altitude (use a Kestrel, for example), but the charts can be used to estimate it if you know some basic information. You see these charts only at low magnifications, and they "disappear" at higher magnifications. These peripheral charts lead up to simple corrections for environmental factors that you dial in with the usual turret knobs, then you use the main reticle that is very fast and easy to use. It might sound complicated, but it's not if you already know your local DA. Once you dial in the small corrections, the reticle is good to use and even includes a spin drift correction.
Note the special markings on the elevation dial for making the small corrections for DA. The turret is set for 6 MOA down.
Finally, although the reticle is designed for a specific BC and MV, you can make corrections for slightly higher or lower MVs by finding the equivalent change in DA. For example, for the 115DTAC, an increase/decrease of 25fps in MV is roughly equivalent to an increase/decrease in DA of 1,000 feet (if I remember correctly what Brand told me).
It's a great reticle and I'm happy to see David Tubb working to make it more prolific.
X2, the original DTAC reticle had at least one more graph that was the correction for density altitude that is dialed on the turret. How do you know what the correction is if you don't have that chart (I use a hard copy so I don't have to look through the scope for the info)?</div></div>
Thanks for the good info!
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: BOLTRIPPER</div><div class="ubbcode-body">i actually hit a larue at 40yd less than a mile with one of the early DTAC reticules....did it 4x out of 12 rounds sent...at 6 power and the bottom of the christmas tree.....me thinks the 6xc was a bit tired when it got there.</div></div>
I was there with you and hit that small silhouette target a few more times than that!
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