AR-15 Upper Parts
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Rosco Manufacturing K9 11.5" 5.56 Hybrid 1:7 Twist Black Nitride Patrol Barrel
Rosco Manufacturing
MSRP: $185.00$169.95Rosco Manufacturing K9 11.5" 5.56 Hybrid 1:7 Twist Black Nitride Patrol Barrel The K9 11.5 offers a proprietary patrol length gas system that is smoother than carbine length, more reliable than mid-length. Features an optimized gas port to run...MSRP: $185.00$169.95 -
Rosco Manufacturing K9 12.5" 5.56 Hybrid 1:7 Twist Black Nitride Midlength Barrel
Rosco Manufacturing
MSRP: $190.00$179.95Rosco Manufacturing K9 12.5" 5.56 Hybrid 1:7 Twist Black Nitride Mid-length Barrel Rosco Manufacturing has made a proprietary patrol length gas system to make the dynamics work the best for you on and off the range. This system features an optimized gas...MSRP: $190.00$179.95