.300 BLK OUT Parts
The continuous top rail allows you to mount iron sights, optics and any other accessories without ad ...
Model : 2A-300-HG132 Manufacturer : IIA Defense Weight : 9.90
Precision Gas Compensator, PGC, 1/2-28 (300 BLKOUT) w/ Crush Washer - Raw, Nitride, or EAC Coated ...
Model : 2A-300-PGC Manufacturer : IIA Defense Weight : 2.80