During testing, the prototype was named XM1014; , per U.S. military standards; after adoption, the "X" was dropped, and the weapon was officially designated the M1014. The M4 was the first gas-operated shotgun produced by Benelli. Its function is designed around an entirely new design called the "auto-regulating gas-operated" (ARGO) system.

A civilian version of the shotgun used by the U.S. Marine Corps in combat theaters around the world, the Benelli M1014 sets the standard for military shotgun performance and reliability. The Benelli M1014 comes standard with a fixed-position skeletonized stock with a pistol grip, and separate cheek piece.

Auto-Regulating Gas-Operated (A.R.G.O.) system––a simple, self-cleaning, piston-driven action––ensures less fouling and reliable cycling with reduced weight. Skeletonized stock sheds even more weight from the shotgun, while still coming fully equipped with a comfortable recoil pad and cheek rest.

1999年10月1日 · Sales of the M4 Super 90/XM1014 will be handled by Benelli, save for US shotguns produced under the current military contract, which are H&K’s province. The M4 Super 90/XM1014 is a semiautomatic, gas operated, tubular magazine fed tactical shotgun.

2022年4月9日 · Page details technical specifications, development, and operational history of the Benelli M4 Super 90 (M1014 JSCS) Semi-Automatic Combat Shotgun including pictures.

2016年6月30日 · Unknown to those military evaluators, by that time armorer instructors had already taught one class how to troubleshoot and repair the experimental M4, the XM1014. The ARGO system addressed a few concerns expressed earlier by military evaluators regarding Benelli's inertia system.

At the heart of the Benelli M1014 Limited Edition is the ARGO (auto regulating gas operation) system that features dual stainless, self-cleaning gas pistons located forward of the chamber and operated directly against the patented Benelli rotating bolt.

The XM1014 is an automatic shotgun available to both teams in most game modes. This shotgun is not available for Terrorists to purchase in Assassination . In all games, it is the most expensive shotgun option, at $3000 in earlier games and $2000 in Global Offensive .