Genesis Arms Gen-12 MBS | AOW

The Genesis Arms Gen-12 Modern Breaching Shotgun (MBS) is a 12 gauge firearm classified as an Any Other Weapon (AOW) under the National Firearms Act (NFA). This model features a 7-inch barrel and an overall length of 21.75 inches, chambered for 2¾" 12 gauge shells. Built around a short recoil operating system, the Gen-12 MBS utilizes an AR-pattern configuration and compact buffer system designed for a stockless setup.

Additional features include a free-float handguard with M-LOK® accessory slots at the 3, 6, 9, and 12 o’clock positions, 1.375-24 muzzle threads, right-side charging knob, and a GEN1 DPMS .308 patterned lower. The firearm is equipped with a Hogue rubberized grip, non-ambidextrous Posi Snap safety, and mil-spec AR trigger. The Gen-12 MBS ships with a 5-round magazine, soft case, and limited warranty.

Specifications:

• Classification: Any Other Weapon (AOW) – NFA regulated
• Gauge: 12 Gauge
• Action: Semi-automatic, short recoil operated
• Barrel Length: 7"
• Overall Length: 21.75"
• Chamber: 2¾"
• Muzzle Thread: 1.375-24
• Handguard: Free-float with M-LOK® slots (3, 6, 9, 12 o’clock)
• Lower Pattern: GEN1 DPMS .308 pattern
• Buffer System: Compact stockless buffer system with QD point
• Trigger: Mil-spec AR trigger
• Safety: Posi Snap (non-ambidextrous)
• Grip: Hogue rubberized grip
• Capacity: 5 rounds
• Includes: 5-round magazine, soft case, limited warranty