The M26-MASS (Modular Accessory Shotgun System) is a shotgun configured as an underbarrel ancillary weapon attachment mounted onto the handguard of a service rifle, usually the M16/M4 family of United States military, essentially making the host weapon a combination gun.

The M16 rifle (officially designated Rifle, Caliber 5.56 mm, M16) is a family of assault rifles adapted from the ArmaLite AR-15 rifle for the United States military. The original M16 rifle was a 5.56×45mm automatic rifle with a 20-round magazine.

Akdal MKA 1919 semi-automatic shotgun utilizes detachable box magazines, each holding 5 rounds; an M16-style bolt stop and bolt release button are incorporated into the lower receiver. Manual safety also duplicates M16-style, being located on the left side of …

The M26 Modular Accessory Shotgun System (MASS) is a developmental under-barrel shotgun attachment for the M16/M4 family of United States military firearms. It can also be fitted with a pistol grip and collapsible buttstock to act as a stand-alone weapon.

The Akdal MKA 1919 is a gas operated, semi-automatic shotgun that resembles the M16 rifle and mimics the layout and placement of some of the controls. It was created by Turkish company Akdal Arms. The MKA 1919 uses a conventional gas-operated action which is located around the support tube that runs below the barrel.

Jul 6, 2024 · Discover the 14 best semi-auto tactical shotguns of 2024 at USA Gun Shop. Find powerful, reliable options for home defense, tactical use

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Aug 4, 2011 · The new M26 12-Gauge Modular Accessory Shotgun System, otherwise known as MASS, is an under-barrel shotgun attachment for the M16/M4/AR-15 series of rifles. It’s the same concept of the Masterkey, giving soldiers the ability to use their rifle as a shotgun for close quarters combat, breaching barriers or for non-leather use.

Feb 21, 2013 · The M26 Modular Accessory Shotgun System (MASS) is a developmental under-barrel shotgun attachment for the M16/M4 family of United States military firearms. It can also be fitted with a...

Feb 26, 2025 · M16 rifle, assault rifle developed as the AR-15 by American engineer Eugene Stoner of ArmaLite Inc. in the late 1950s. The rifle received high marks for its light weight, its accuracy, and the volume of fire that it could provide.