AR-15 Components

The upper receiver and barrel for your AR-15 which you choose will determine the remaining parts needed. Here are several types of stripped upper receivers, each with different features for different applications. Upper Receiver Group Parts. Your rifle’s upper receiver group is the part that consists of the upper receiver, barrel, forend, bolt carrier group and charging handle, as well as other AR-15 upper receiver components. Find a wide variety of AR-15 rifle accessories and AR-15 parts at Click-Click-Boom, including magazines, uppers, grips, rails, stocks, scopes and scope mounts.