BERETTA M4 PISTOL THINGS TO KNOW BEFORE YOU BUY

Marine Corps diagram of a industry-stripped M1014 The M4 was the initial fuel-operated shotgun produced by Benelli. Its perform is built around a completely new design called the "automobile-regulating gas-operated" (ARGO) system. The shorter-stroke style uses two self-cleaning stainless-steel pistons located just forward in the chamber to operate