Long-stroke, low-pressure gas piston minimizes impact on the bolt for reliable feeding and long bolt life. Causes less carbon build-up on bolt, carrier, and upper receiver than original gas impingement system, further reducing wear and shortening cleanup...
Chrome-moly steel alloy blanks come button-rifled in three popular calibers to give you the flexibility of building a true one-of-a-kind custom AR. These are actual blanks that require machining of all exterior contours, chambering, muzzle threading,...