.308 @1425 yds. 185 Berger OTM. *VIDEO*

levi8599

levi8599

Gunny Sergeant
Full Member
Minuteman
Nov 26, 2012
600
173
AZ
#1
I shot this with a buddy New Year's Day here in AZ. Target is 12x20" ar500. Temp was 70 degrees and wind was about 4mph. Alt 1200ft above sea level. I dialed up 18mils. (16 on the dial 2 on the reticle)

Load: 185 Berger OTM juggernaut
Lapua brass
43.5gr IMR 4064. I was getting 2750fps with this load.
CCI 200 primer

Rifle: R700 blueprinted action
Rock creek M40 barrel 24" 1/10 twist
McMillan A4 stock
Timney trigger set at 2.5lbs
Vortex Viper 5-15x44
Had to hold over two mils with the reticle. Ran out of scope with 20moa base.

.308 Winchester @ 1425 yards with Berger Juggernauts - YouTube
 
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#14
redneckbmxer24 said:
Gotta love the way a 30 cal rocks a target way out there, even a 308. Lets see a 6mm do that or even see the misses in the dirt...
Click to expand...

I thought it would be interesting to compare the two. Used Hornadys calculator. Using his load against a 115 VLD at 3000 fps. Heres the .308 @1400 yards 1126 fps, 520 ft lbs, 798 in drop, 166 in. drift (10mph) vs. the .243 @1400 yards, 1247 fps, 397 ft lbs, 670 in. drop, and 142 in drift. Not a truly fair comparison but the 30 cal is only packing 120 ft lbs more energy. The 6mm shoots WAY flatter and drifts less. Not going to argue over caliber differences in fact my next rifle may be .308. But I do think the 6mm would kick up some dust.
 
#16
I actually entered the .308 muzzle velocity as 2850 fps in the first post. At 2750 fps muzzle @1400 yards 1091 fps, 489 ft lbs, 868 in drop, 174 in drift. 0 altitude and whatever their calculators elevation is set at. Its no wonder so many of the long range folks like 6mm. Sorry its early in the morning and I am bored.
 
#18
valkyries said:
I thought it would be interesting to compare the two. Used Hornadys calculator. Using his load against a 115 VLD at 3000 fps. Heres the .308 @1400 yards 1126 fps, 520 ft lbs, 798 in drop, 166 in. drift (10mph) vs. the .243 @1400 yards, 1247 fps, 397 ft lbs, 670 in. drop, and 142 in drift. Not a truly fair comparison but the 30 cal is only packing 120 ft lbs more energy. The 6mm shoots WAY flatter and drifts less. Not going to argue over caliber differences in fact my next rifle may be .308. But I do think the 6mm would kick up some dust.
Click to expand...

There's a big difference between real world results and numbers on paper. I burnt out a barrel on a 243 running it LR and have probably 40-50K rounds combined on various 308's, I've experienced the differences in how they impact long distance targets. There's a reason some comps that have targets beyond 1K tell you to use 6mm at your own risk. A hit doesn't mean a thing if the spotter doesn't see it and call it.
 
#22
.308 @1425 yds. 185 Berger OTM. No tumble

levi8599 said:
Altitude was 1200ft

I dialed up 18mils
Click to expand...
Your data gives me more like 15-16 Mils and a supersonic bullet, while 18 Mils gives me a bullet at either just under or just over the speed of sound depending on the actual velocity.
 
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#27
Graham said:
Your data gives me more like 15-16 Mils and a supersonic bullet, while 18 Mils gives me a bullet at either just under or just over the speed of sound depending on the actual velocity.
Click to expand...

That was the data I got just using bergers calculator. It called for 17.4mils.
 
#29
levi8599 said:
I shot this with a buddy New Year's Day here in AZ. Target is 12x20" ar500. Temp was 70 degrees and wind was about 4mph. Alt 1200ft above sea level. I dialed up 18mils. (16 on the dial 2 on the reticle)

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Click to expand...

Thats very good MV for what you were working with, I'm sure it helped. Surprised actually that you could get that kind of MV with 43.5 grains. Good stuff.
 
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#38
Very nice. Using the same bullet/brass this year. Played 2000MR but best consistency and accuracy came with Varget and since that's what I'm using with 175's went with it. Shooting 2682fps average with 43.5gr Varget with bullets seated .017 off the lands. Too long to fit my mag but using the rig for F/TR so single loading anyway.
 
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#43
Nice shooting !

I've pushed my 308 using Lapua Scenar 10 g factory ammo at 1204m (~1316yds) against a steel target 25mm height and 40cm wide.
I had a 3 m/s R to L wind.
17,3 MIL corection (drop)
 
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