5 ESSENTIAL ELEMENTS FOR COLT AR 15 20 INCH COMPLETE UPPER

One of many modifications completed to extend reliable feeding provided maximizing the angle and the length on the feed ramps. This USGI modification was finished to the two the barrel extension as well as the upper receiver, making a extended and steeper feed ramp.Upgrading or purchasing a new AR-15? Then the twenty inch AR15 complete upper is a n