AR Comp 308 & 180Gm and velocity ?

[user]

Runnig 42.2 grains arcomp in my 308 with 180 accubonds and only able to get about 2550 FPS from 24" tube. anyone run something similar and get ar comp to push a 308 faser? What charge?

Really no velo change from 41 to 42.2?

 

[sticshooter]

Re: AR Comp 308 & 180Gm and velocity ?

i'm only getting 2460 out of my 18"gas gun running 175smk's.that's at 41.6 grains.i decided to stick with it because it was so damn accurate and SD's are in the 5's and 10's regardless of temps but it's no hot rod.

 

[poke5353]

Re: AR Comp 308 & 180Gm and velocity ?

Not running that bullet but I have been running 155gr sierra palma over 44.2grof Ar-Comp and I am getting 2925fps out of a 22" barrel