Description
The12-guage Master key can be mounted under standard rifles as a breaching tool(when used with special breeching ammo). It is also mountable to KAC’s Standalone Module. The system consists of a Remington 870 shotgun that can be mounted onto an 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. Exclusively for military and law enforcement.
Rifle Sold Seperate.Barrel Length: 9.5â€ÂCaliber: 12 GaugeWeight: 5 lbs 4 oz (unloaded)Overall Leng
TCA 28205651 PRO-HUNTER RFL 308 SS FLEXTECH 
Rock River Arms Lef-T Predator Pursuit Upper Half 223/5.56 20" Barrel, BCG; XL Handguard, Left Hand