Nefarious Arms 11.5" FSGB Heavy Profile Dimpled Carbine Barrel
Blank: Criterion Button Rifled Chrome Lined
Manufacturer: Nefarious Arms
Length: 11.5"
Gas Length: Carbine
Gas Block Journal Diameter: .750
Gas Block Seat Length: 2"
Twist Rate: 1:7
Chamber: .223 Wylde
Material: 4150 Chrome Moly
" THESE BARRELS ARE DESIGNED TO HAVE THE GAS BLOCK PRESS FITTED ON "
