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
