Best 6mm for the dollar

[BaronVonAaron]

Thanks for all the help guys. I have it narrowed down to 6x47 or 6 dasher

 

[b6graham]

Thanks for all the help guys. I have it narrowed down to 6x47 or 6 dasher

booooooo

 

[47guy]

I agree but Consistently trumps BC

 

[47guy]

Go dasher if that’s your 2 choices

 

[BaronVonAaron]

Go dasher if that’s your 2 choices

My problem with Dasher is that you can't use a aics mag without mods. 6x47 is also what my friends are using

 

[BaronVonAaron]

booooooo

Hey now Casper. What are you suggesting?

 

[Dthomas3523]

Mods are easy. Especially if using AW mag. Drop plate and follower in......done. Run mags like you always have.

 

[RogueTanker]

IDK, I hear all the cool kids run 6x47

 

[BaronVonAaron]

IDK, I hear all the cool kids run 6x47

Literally a fact

 

[47guy]

My problem with Dasher is that you can't use a aics mag without mods. 6x47 is also what my friends are using

like Dthomas said...drop in a primal rights BR mag kit and done...add an MPA+4 and you have a 15 round mag

 

[lte82]

115 DTAC RBT is .302 G7, 105 Hybrid is 0.275 G7...

And if you run a 7.5 twist you are probably closer to .280 and with a 7 twist I got a verified .286 g7 with AB's mobile lab.

I’ll take a 105 rdf. To true it out I used a .310 g7. Same as I’m using for the newer 115 rdf now.

I saw them run over the AB Doppler with a 7.5t bartlein. Average BC was like .275. The BC consistency was 3x worse than the average Berger 105 I saw too. The 115 rdf I saw was 305ish. It’s all on the PDMs uploaded, you can download them if you have a kestrel w/ AB and see them all.

 

[308220]

Fire forming? Necking brass up/down? Fuuuck. Make life simple on yourself. 243W or 6mmCM.

Modern bullets make all these top 6mm's damn near equal in terms of performance.

 

[BoilerUP]

My problem with Dasher is that you can't use a aics mag without mods.

Runs 100% for me in a 700SA with Pmag 7.62AC.

Hell, 6BR runs 100% in a Nucleus with same Pmag 7.62AC.

 

[BoilerUP]

And if you run a 7.5 twist you are probably closer to .280 and with a 7 twist I got a verified .286 g7 with AB's mobile lab.

I started a thread about this basically...how can you get a verified G7 on AB's equipment that is 11thou higher than AB's own test (and Berger's spec)?

And once AB measures that, why don't they update AB Mobile to reflect the new higher (or lower in some cases) measurements instead of having a dozen different profiles for the same bullet?

The BC variance in the same bullet is...startling.

 

[47guy]

28" 6 Creed going 3020 while you're running a BRX at the same speed? That's how you spin numbers.

@BaronVonAaron I shoot a BR, a Dasher, a Creed, and an SLR. I shoot the Creed and SLR with DTACs at 3000fps. Purposely, using slow, cool burning powder. I got 1700 rds out of my last SLR barrel. The Creed case is just a bit small to do this well. It isn't as low pressure. My first lot of DTACs tried at .307 from a 7 twist Dasher at 2900. Later lot DTACs true at 320 from 7 twist SLRs at 3000.

I'm on my third Dasher barrel. I now run Hybrids out of an 8 twist at 2900 with H4350. So far this has made load life and consistency so much longer. The lot of 4000 Hybrids I'm working my way through continually true out to .279. My second Dasher barrel pooped out at 1400rds but I couldn't believe it so I beat my head against a wall for another 300. At one point I was pushing 105s at 3000 with Varget. That definitely cost me. This rifle is set up for PRS, barricade heavy, positional matches. weight kit, muzzle brake. The Creed/ SLR is on an identical action/ trigger/ chassis but no weight kit and I run a suppressor on it. It's for field matches. Because ballistically a DTAC at 3000 and a Hybrid at 2900 aren't equal.

If I had to pick one cartridge it would be a BR or BR variant. The Dasher is just so repeatedly accurate and consistent, barrel after barrel. And it's surprisingly capable at long distance. There is an intangible to it's consistency that running numbers on a ballistic computer just won't depict. I shot a club match in Wyoming this summer. What ai didn't know that apparently everyone else did is that it was very long range. I thought it was more of a PRS match but 5 of the 10 stages had targets over 1000. 3 of those had targets over 1500. I was in second place shooting a Dasher against guys shooting PRCs and other long action cartridges until they threw the mover stage out on the last squad. 5 fuckin dudes didn't get to shoot that stage and they threw it out. I cleaned it. But anyway, the Dasher was just so accurate and consistent it really gave up nothing to 6.5 PRCs.

But frankly the Dasher really isn't a good design. The short neck is a huge flaw. I'm willing to bet the BRA is a better design. I don't think it can run the same kind of velocities as a Dasher at the same chamber pressure (throat erosion) but I don't think it's far off and that long neck makes it what the Dasher isn't.

im not sure what you mean about spinning numbers up im trying to run numbers equal...running one at 2900 the other at 3000 is not a fare comparison.

im with you on the short neck...BRX is the same way but ive shot so many small groups its hard to get away from.
im going to play with the BRA here shortly....JGS reamer ships next month so i should be up and running end of november first part of december...i dont really want to run 4895 so if i can get 2925-2950 with varget ill be pretty happy.

also ive given up on the hybrids...the last 3 lots ive played with all true out different...276 300 and 310...i love the slippery little hybrids but the last 3 lots of 108 BTTs have all trued out close enough to the same that it doesnt matter plus they are super friendly and consistent.

as far as barrel life...its a crap shoot...when i shot a 260 i had a barrel go at 800 rounds at 850 i pulled it and sent it back to the manufacturer and they replaced it....then i had one go 3000.
6mm barrels...i had a 6CM at 3050-3075 its entire go 1700 and the one i just shot at 3220 go at 758....most 6mm barrels ive shot go 1200-1800 depending on how they are run and the shooters accuracy expectations.

 

[47guy]

Fire forming? Necking brass up/down? Fuuuck. Make life simple on yourself. 243W or 6mmCM.

Modern bullets make all these top 6mm's damn near equal in terms of performance.

you really need a 100 rounds through a barrel to start load development anyway so fire forming really isnt a big deal plus after you shoot out the first barrel you keep it for a fire forming barrel...or just fire form at the end of each barrel.

 

[b6graham]

you really need a 100 rounds through a barrel to start load development anyway so fire forming really isnt a big deal plus after you shoot out the first barrel you keep it for a fire forming barrel...or just fire form at the end of each barrel.

or buy hydroformed brass from HLR

 

[47guy]

or buy hydroformed brass from HLR

ive shot 200 rounds of his and 120 from DJs...both GTG.

 

[308220]

you really need a 100 rounds through a barrel to start load development anyway so fire forming really isnt a big deal plus after you shoot out the first barrel you keep it for a fire forming barrel...or just fire form at the end of each barrel.

I started load dev for my 6.5-284 Norma after 25 rounds. And its still holding 300+ rounds later. 100 rounds is excessive.

 

[Campguy308]

I know the jury's still out, but I find it notable that the 6GT addresses a lot of the concerns with other 6s discussed here. Neck length, mag feeding, fire forming, shoulder angle, powder capacity.

 

[47guy]

I started load dev for my 6.5-284 Norma after 25 rounds. And its still holding 300+ rounds later. 100 rounds is excessive.

no a 100 rounds in a 6mm is not excessive because thats where the barrel speeds up...ive shot my break in and started load development in a couple of 6mm barrels and it never works out i always end up having to do a mini LD.

 

[47guy]

I know the jury's still out, but I find it notable that the 6GT addresses a lot of the concerns with other 6s discussed here. Neck length, mag feeding, fire forming, shoulder angle, powder capacity.

im watching and waiting but until i see something impressive and better brass ill stick to the tried and trued BR cartridges.

 

[BoilerUP]

With all due respect to George (he's forgotten more about rifles and shooting than I will EVER know), I'm not sure the 6.5 GAP 4S ended up being the game'changa that it originally was proclaimed by some folks here to be.

With that experience in mind, I'm a little bit skeptical that the 6GT will end up being all that and a bag of chips (as some here are proclaiming it to be), with all of the pros and none of the cons and compromises of other popular 6mm chamberings.

Then again, I'm sure plenty of folks thought that about 6.5 Creedmoor over 260, too.

***If*** Hornady starts offering factory 6GT ammunition, THAT would be huge for the chambering (much like Hornady's strong support of 6.5 Creedmoor was) though it would surely cannibalize 6 Creedmoor sales.

 

[Campguy308]

im watching and waiting but until i see something impressive and better brass ill stick to the tried and trued BR cartridges.

If you are already invested in BR, that's a good idea. But I think someone starting from square 1 would benefit from observing the 6GT results closely. I'd love to have a dasher or bra, but fireforming, hydroforming, etc sucks. I like open box and load brass. Long term Alpha brass availability for both GT and dasher is unknown, so that's something I'll be watching as well

 

[47guy]

If you are already invested in BR, that's a good idea. But I think someone starting from square 1 would benefit from observing the 6GT results closely. I'd love to have a dasher or bra, but fireforming, hydroforming, etc sucks. I like open box and load brass. Long term Alpha brass availability for both GT and dasher is unknown, so that's something I'll be watching as well

i get the fire forming thing but its really not a big deal...use it as practice time...as far as alpha brass goes ill pass ive seen the issues with it...also like boiler up said i really dont think the GT is going to be the dasher killer its being made out to be and i doubt hornady is going to cut their throat with it over the 6CM...but then im wrong more often then not...i guess time will tell.

 

[Milo 2.5]

Thanks for all the help guys. I have it narrowed down to 6x47 or 6 dasher

I have shot almost every 6mm mentioned in this thread.
6 Comp Match
6 SLR
6 Creed
6 XC
6 X 47
243
Dasher
6 BRA
I think I will always shoot a 6 x47, and a BR variant, most likely 6 BRA. I have had great barrels in all of them. Not sure what it is, but when I want an accurate rifle built, I seem to always come back to cases designed by Lapua.
Barrel life is a crap shoot with 6mm, I have seen 2400 accurate rds from a 6 Creed, and only got 1100 from a 6XC. I also got 1800 from my first comp match, the next barrel was going downhill at 600 rds, made it to 1200 though. My first Dasher barrel looked terrible with a Hawkeye borescope at 600 rds, at 1400 it is still shooting for now.
That said, I like your choices, when you ask a question like this and get 50 responses, at some point, all are subjective. For every 3 people that love the XC, there are 2 that will never revisit it< Example

 

[b6graham]

I have shot almost every 6mm mentioned in this thread.
6 Comp Match
6 SLR
6 Creed
6 XC
6 X 47
243
Dasher
6 BRA
I think I will always shoot a 6 x47, and a BR variant, most likely 6 BRA. I have had great barrels in all of them. Not sure what it is, but when I want an accurate rifle built, I seem to always come back to cases designed by Lapua.
Barrel life is a crap shoot with 6mm, I have seen 2400 accurate rds from a 6 Creed, and only got 1100 from a 6XC. I also got 1800 from my first comp match, the next barrel was going downhill at 600 rds, made it to 1200 though. My first Dasher barrel looked terrible with a Hawkeye borescope at 600 rds, at 1400 it is still shooting for now.
That said, I like your choices, when you ask a question like this and get 50 responses, at some point, all are subjective. For every 3 people that love the XC, there are 2 that will never revisit it< Example

didnt know Lapua designed the 6mm BR?

 

[Campguy308]

Have you ever fireformed an AI case?

Yes, 223AI

 

[lte82]

didnt know Lapua designed the 6mm BR?

You are correct. It was Remington.

 

[Milo 2.5]

didnt know Lapua designed the 6mm BR?

I doubt they did, I recall 6 BR Remington, but for a couple decades Lapua was the only brass maker, Sorry for the confusion.

 

[260284]

like Dthomas said...drop in a primal rights BR mag kit and done...add an MPA+4 and you have a 15 round mag

The 12 round MDT mags run good and hold 13.

 

[308220]

Have you ever fireformed an AI case?

Its a bitch. A waste of powder, primers and time. I had a 243 AI. Never again.

 

[BLKWLFK9]

A big question that could make this easier. Where do you live?? I live in the south east. Wind is nothing. I shoot a BR and im good. My two shooting partners shoot dashers with 95gr SMK's without wind problems. If you live in the midwest or out west, wind comes much more into play. A lot more prone shooting out there. Here, its more about positional shooting and spotting trace/impacts/misses. BR based cartridges are king for the reloaders. That isn't to say that BR based cartridges aren't applicable out west b/c obviously, there are tons of shooters out there rolling with BR family rifles. That may be something for you to consider

 

[b6graham]

Its a bitch. A waste of powder, primers and time. I had a 243 AI. Never again.

if you cant get accurate load fireforming for practice/matches then yeah dont AI. but youre in the very small minority

 

[47guy]

The 12 round MDT mags run good and hold 13.

i think my smith runs the MDT mags...im stacked with the accurte mags so i just run them.

 

[47guy]

A big question that could make this easier. Where do you live?? I live in the south east. Wind is nothing. I shoot a BR and im good. My two shooting partners shoot dashers with 95gr SMK's without wind problems. If you live in the midwest or out west, wind comes much more into play. A lot more prone shooting out there. Here, its more about positional shooting and spotting trace/impacts/misses. BR based cartridges are king for the reloaders. That isn't to say that BR based cartridges aren't applicable out west b/c obviously, there are tons of shooters out there rolling with BR family rifles. That may be something for you to consider

this is a great point...i love the 6CM because i can run it real fast and not worry about wind and if i had unlimited barrels it would most likely be all i shot...700 rounds and spin on a new barrel.

 

[308220]

I waste powder for breakfast

Well luckily, you can buy more powder. How about time? How much does that cost?

 

[b6graham]

Well luckily, you can buy more powder. How about time? How much does that cost?

do you practice? shoot matches? fireforming is basically just shooting a 6BR...nothing to it nothing hard. not even a waste if you're shooting anyways learn the wind

 

[47guy]

You posted a picture of a mag with a MPA +4 earlier. Do those have the spacer block built in to them? I have an older+2 with a small wooden block epoxied into it to extend the PR spacer because it's not long enough to extend into the bumper. And I have an Altus "BR" +2 that has the spacer extension machined in.

i bought an extra kit and cut the spacer to fit in +4...6BR and BRX both run flawless as fast as you can run the bolt.

 

[47guy]

Honestly, flippancy aside, I'm addicted to reloading and shooting. I don't have kids. It pisses my wife off but I shot 3 matches a month this summer. I have worked in a job for 21 years that is very shooting centric. When I wake up at night and try to roll over and go back to sleep I go to my happy place and simulate shooting my new 22BR off a barricade in my mind. When I'm driving to work I think about shooting. At work, I sneak out at lunch and shoot at our indoor range. I have a hard time seeing reloading as a waste of time. In the evening I'll sit in my badass reloading room and watch TV and do something, neck turn, anneal, prep 223 brass. I'm just not choosing my one precision rifle and cartridge like a cell phone plan. A dispassionate, practicality based, decision of economy.

we are twins LOL...i will go out some times 3xs a day...i shoot at least 125 rounds most every weekend...ive been in the same trade for 32yrs and work 11-12 hours a day so weekends is it for me...im at my loading bench 3x a week doing something.

 

[spife7980]

I have a hard time seeing reloading as a waste of time.

Agreed. I shoot so I can reload. If I werent reloading I would just be a crotchety alcoholic hermit with a netflix problem. The difference is I produce something when I reload.

 

[lte82]

I was shooting slow partially hydroformed 6 dasher brass at the Altus PRS match a few weeks ago and tied for second. I probably should spend more time reading on the forums to prep for the finale. I could've saved myself a lot of time and powder knowing what I know now.

 

[Milo 2.5]

Agreed. I shoot so I can reload. If I werent reloading I would just be a crotchety alcoholic hermit with a netflix problem. The difference is I produce something when I reload.

Lol, I used to consume beer like oxygen, turn 15+ peppermills or bowls at 50+ per a month and give away. Shooting 4 times a week and reloading 4K rds of LR rifle per yr just makes more sense for myself.
Have to say, reloading is getting old after 33 yrs. Pistol has been out, and I find myself buying 223 ammo today, thank God I can afford to.

 

[Sheldon N]

When I wake up at night and try to roll over and go back to sleep I go to my happy place and simulate shooting my new 22BR off a barricade in my mind. When I'm driving to work I think about shooting. At work, I sneak out at lunch and shoot at our indoor range. I have a hard time seeing reloading as a waste of time. In the evening I'll sit in my badass reloading room and watch TV and do something, neck turn, anneal, prep 223 brass.

A man after my own heart.

 

[Kimber.204]

Is it the best caliber? No. Does it do what I want it to do? Yes!

This is the bottom line and really all that matters. It's kind of like muscle cars.....Good, Cheap, and Fast you can pick two.
Good Barrel Life, High Velocity, and Low Recoil - Pick two.

Good Luck,
Ross

 

[BaronVonAaron]

A big question that could make this easier. Where do you live?? I live in the south east. Wind is nothing. I shoot a BR and im good. My two shooting partners shoot dashers with 95gr SMK's without wind problems. If you live in the midwest or out west, wind comes much more into play. A lot more prone shooting out there. Here, its more about positional shooting and spotting trace/impacts/misses. BR based cartridges are king for the reloaders. That isn't to say that BR based cartridges aren't applicable out west b/c obviously, there are tons of shooters out there rolling with BR family rifles. That may be something for you to consider

I live in Kansas but most of my comp shooting will be at k&m in Tennessee

 

[Sheldon N]

I live in Kansas but most of my comp shooting will be at k&m in Tennessee

I'm bringing a 6BRA to the PRS finale at K&M in 2 weeks.

Also shot 6BRA at our PRS Regional Finale out in the Pacific NW last weekend, 15-20mph winds, a bit of rain/snow and cold temps. 2910fps with a 105 hybrid, finished one point back from winner in a tie for 2nd.

 

[blbennett1288]

I'm bringing a 6BRA to the PRS finale at K&M in 2 weeks.

What bullet and how fast are you running in the 6BRA?

 

[Sheldon N]

What bullet and how fast are you running in the 6BRA?

27.5" barrel, 105 hybrid, 30.4 of H4895, 2910 fps or so.

 

[Dthomas3523]

I'm bringing a 6BRA to the PRS finale at K&M in 2 weeks.

Also shot 6BRA at our PRS Regional Finale out in the Pacific NW last weekend, 15-20mph winds, a bit of rain/snow and cold temps. 2910fps with a 105 hybrid, finished one point back from winner in a tie for 2nd.

I’m sure I missed it in some of your posts.

Why the change from dasher to bra? Anything in particular?