Raven Concealment TopStop AR-15 Upper Receiver Cover Matte

The Raven Concealment TopStop URG Cover Black is a tough polymer upper receiver cover designed to snap onto most AR-15 or M4 type upper receivers when they are detached from the lower, providing a secure seal that prevents fouling from entering or escaping the upper. This matte black TopStop unit not only blocks dirt and debris but also keeps the bolt carrier group and charging handle from sliding out as the upper is moved around, delivering peace of mind during transport, maintenance, or field