Auxiliary members and fire police who take part in ceremonies

This outer covering provides plenty of traction

The sheet supports clean

or phone case is not included

Convenient carry handle

Raven Concealment TopStop AR Upper Receiver Cover TOPSTP YL 28L Auxiliary members and fire policeRaven Concealment TopStop AR Upper Receiver Cover TOPSTP YL The TopStop cover is designed to snap on most AR15 or M4 type upper receivers when they are detached from the lower receiver. The TopStop completely seals the upper receiver preventing fouling from getting in or out and it stops the bolt carrier group and charging handle from sliding out as the upper is moved around. The TopStop is made out of super tough polymer and is impervious to most