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AR 308 reloading questions

mattsnuked

Sergeant
Full Member
Minuteman
Nov 5, 2007
706
0
Phoenix
What avg. velocity are you running with 168 SMK and Varget on a 308 AR. Or I guess what would be a good spot to stay around if the load had acceptable accuracy? I was testing out some loads and about the max I could get was 2640. I couldn't find a lot of info regarding AR 308 loads on here. I was also thinking about trying the 175 SMK as well.
Please share your loads and info.
Thanks.
 
Re: AR 308 reloading questions

2600-2650 is the "standard" velocity range for a near max 168 loading in a 24" barrel. For example FGMM 168 generally shoots in this velocity range in factory bolt guns.

Super slick barrels (lapped barrels, custom chambers) can eak out a little more.

Pushing the edge of pressure can also eak out a little more.
 
Re: AR 308 reloading questions

I have an 18" barrel on my DPMS LR-308 and I just last week got the best load down, I am shooting the 168 AMAX, H4895, 43.0 grains, 2.828 OAL. I shot at 160 yards a group of five under 3/4 of an inch and two of the shots same hole third shot was at 0.222 from the first two, last two rounds moved out a little bit as the barrel got warm.
 
Re: AR 308 reloading questions

Mitch, this is what I was looking for, thanks.


<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Pat M</div><div class="ubbcode-body">41.5gr R-15 , Fedral brass and primers, 175gr HPBT Sierra

24" DPMS </div></div>
What velocity is this running? I am getting ready to try out some 175 SMK.
 
Re: AR 308 reloading questions

Havent chroned but heres some loads:
These arent the greatest..but some I've come up with while experimenting:
178amxloads.jpg

dpms24lrloads.jpg

.
Shot w/ DPMS LR308 24"...from the 2nd group buy here on the hide.
dpmsmagpul.jpg

.
Workin on some for the 16" now too