Buy Fn Scar 20s Options
When you've got fastened chokes, you would need to have the muzzle space measured with a gauge to find out the choke constriction. Choke is relative to The interior barrel dimension.The "lug" on the barrel steps about .920 and about .20 has to be taken off the lug (.ten on each side) to the barrel to fit a receiver possessing a narrower channel (Ne