Rosco Manufacturing

Rosco Manufacturing Bloodline 16" 5.56 Government 1:7 Twist Black Nitride Midlength Barrel 16" M4 5.56 NATO Mid-Length Bloodline Barrel (Mid-Length): This 16" M4 5.56 NATO Mid-Length barrel was...

Rosco Manufacturing Bloodline 10.5" 5.56 M4 1:7 Twist Black Nitride Cabine Barrel Bloodline 10.5" M4 5.56 NATO: This Rosco 10.5" M4 5.56 NATO Bloodline Barrel is designed to be the perfect addition...