beltfed CGN Ultra frequent flyer Rating - 99% 96 1 1 Location Calgary Dec 18, 2013 #21 StainlessFan said: It was a two piece rail... Click to expand... Which is attached to what? The barrel nut? Barrel nut attaches to the upper - hence the transfer of torque from the barrel into the upper.
StainlessFan said: It was a two piece rail... Click to expand... Which is attached to what? The barrel nut? Barrel nut attaches to the upper - hence the transfer of torque from the barrel into the upper.