Rosco Manufacturing
Rosco Manufacturing, Bloodline Heavy Barrel, 556NATO, 16", Black Nitride Finish, 1:7 Twist, 1/2x28, 4150 CMV
4150 CMV
Heavy barrel profile
1:7 twist
1/2X28 thread pitch
Carbine gas system
Nitride finish
Rosco's Bloodline 16" 5.56 Heavy...