The 12-gauge Masterkey shotgun can be mounted under standard rifles as a breaching tool when used with special ammo. It is also mountable to KAC's Standalone Module. The system consists of a Remington 870 shotgun that can be mounted onto a M4 rifle in an under-barrel configuration. The shotgun has a 3 round capacity and should be only operated when attached to a host rifle or the Standalone Module.
•Caliber: 12 Gauge
•Magazine Capacity: 3 round tube
•Weight: 5lb 4oz
•Length: 17 1/4"
•Barrel Length: 9.5"
Please be aware that this item is controlled under the NFA and will require standard paperwork for transfer