Colt M4/AR15 4-Position Receiver Extension

4 Position Mil Extension Tube (7075 AL) with Dry Film Lubricant

Description: Colt M4 Carbine 4 Position Mil-Spec Receiver Extension. This is a factory original Colt part. Colt has been known throughout history for producing the highest quality parts and firearms. And Colt offers the best in traditional and new manufacturing techniques, to bring the customer the best possible parts and accessories.

Manufacturer #: SP64072

NOTE: WE CAN SHIP THIS FOR $6.00