The Strike Industries Carbine length Pistol receiver extension is designed to be a serious piece of hardware for the end user that isn't willing to accept second best materials for their firearms. While some other brands may consider AR pistols as a range toy, we at Strike Industries believe there is a serious role for AR pistol PDWs, and should have hardware to match.
The pistol receiver extension features a supported, anti-rotation buffer retaining plunger. Machined from 7075-T6 aluminum construction, the CARPRE offers much greater strength than your standard 6061 tubes. A convenient sling swivel is machined into the back to facilitate "push-pull" operation.

Strike Industries Carbine Length Pistol Receiver Extension for M4 GBB Rifle (Dark Earth)
7075-T6 Aluminum Construction
Suitable For M4 Series Airsoft Gas Blow Back GBB Rifle