Raven Concealment TopStop Upper Receiver Cover Matte Gray for AR-15

The Raven Concealment TopStop Upper Receiver Cover is a matte gray, tough polymer solution designed to snap onto most AR-15 or M4 type upper receivers when they are detached from the lower, providing a complete seal to prevent fouling from entering or escaping the upper while also stopping the bolt carrier group and charging handle from sliding out as the upper is moved. This innovative design protects critical components during maintenance, transport, or storage and helps maintain a clean, reli