Great Lakes Firearms & Ammo Glfa barrel ar15.458 socom 10.5" 1:14" blk nitride pistol FEATURES:
-Caliber: .458 SOCOM
-Barrel: 10.5"
-Twist: 1:14"
-M4 Feed Ramp
-Gas Block: .875"
-Pistol Length Gas System
Other Features: Nitride finish, pistol length gas system,.875 gas block size, for pistol use only, all nfa rules apply