12-01-2011, 07:47 PM
LRRPF52 Wrote:14.5" barrels in the AR15/M4 family are plenty, as long as US or similarly-loaded M855 and M193 are used. You have plenty of velocity in that configuration, so there is no need for the common infantry rifleman to have a 20" barrel.
Sorry, but I can't resist this:
"Tell that to the Marines!"
