INDICATORS ON BERETTA M4 PISTOL YOU SHOULD KNOW

Marine Corps diagram of a area-stripped M1014 The M4 was the very first gas-operated shotgun made by Benelli. Its purpose is designed around an entirely new layout called the "automobile-regulating gas-operated" (ARGO) program. The limited-stroke style and design makes use of two self-cleansing stainless-steel pistons Situated just in advance in th