LR-308 Ejection Port Door Assembly

Dust Doors on the LR-308 / AR-10 platform are a barrier between the action and elements. This prevents dirt and debris from getting into the working bits of the rifle. Under constant spring pressure, the action of the bolt carrier reciprocating or being manually cycled the dust door will open up allowing ejection out of the door. During travel, the dust door can be closed and held in place with a captive detent holding it against a groove cut out in the upper receiver.

Material: Aluminum - This dust door is made from the same aluminum found on the upper and lower receiver of an AR-15.

Compatibility: LR-308 Size Dust Door

Color / Finish: Black