The Genesis Arms Gen-12 SBM is a short-recoil 12 gauge built on an AR-style platform with a 10.5″ barrel. It chambers 2 3/4″ and 3″ shells.

The muzzle is threaded 1.375-24 and wears a blast can with a crown muzzle device. The floating handguard has M-LOK slots at 3, 6 and 9 o’clock and a full Picatinny top rail. It uses a GEN1 DPMS 308 pattern lower with a mil-spec buffer tube and 308 short carbine buffer (3.8 oz), a Hogue rubberized grip and a mil-spec AR trigger. This configuration has dual charging, an adaptive stock and an FDE finish. It comes with a 5-round magazine and a soft case.

Specifications

• Brand: Genesis Arms
• Model: Gen-12 SBM
• Gauge: 12 gauge, 2 3/4″ and 3″ shells
• Barrel Length: 10.5″
• Operation: Short recoil
• Muzzle Thread: 1.375-24
• Muzzle Device: Blast can with crown
• Handguard: Floating, M-LOK at 3, 6 and 9 o’clock, full Picatinny top rail
• Lower: GEN1 DPMS 308 pattern
• Buffer: 308 short carbine, 3.8 oz
• Grip: Hogue rubberized
• Capacity: 5-round magazine
• Finish: FDE
• Includes: 5-round magazine, soft case

Ships to a licensed FFL dealer for transfer. The buyer must pass the required background check and meet all federal, state and local laws.