![](http://www.alamy.com/thumbs/6/DB7D1DA9-DF61-4FB5-A82B-6BF8B5631B07/PY7KB3.jpg)
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 stock to act as a stand-alone weapon.
Size: 2700px × 1800px
Photo credit: © APFootage / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: accessory, arms, firepower, friday, m16, m26, m4, mass, modular, shotgun, small, system, weapon