Genesis Arms Gen-12 18" Shotgun

The Genesis Arms Gen-12 18" Shotgun is a semi-automatic 12 gauge platform built around a short recoil operating system and AR-pattern ergonomics. It features an 18¾-inch barrel chambered for both 2¾" and 3" 12 gauge shells, along with an externally threaded choke system (M22x0.75). The free-float handguard includes M-LOK® accessory slots at the 3, 6, and 9 o’clock positions and a full-length top Picatinny rail to support optics and accessories.

Built on a GEN1 DPMS .308 patterned lower, this model incorporates a mil-spec buffer tube, 3.8 oz .308 short carbine buffer, mil-spec AR trigger, and right-side charging knob. Additional components include an Adaptive Tactical adjustable stock and Hogue rubberized grip. The shotgun ships with a 5-round magazine, soft case, and limited warranty.

Specifications:

• Gauge: 12 Gauge
• Action: Semi-automatic, short recoil operated
• Barrel Length: 18¾"
• Chamber: 2¾" and 3"
• Choke Thread Pitch: M22x0.75 (external choke)
• Handguard: Free-float with M-LOK® slots (3, 6, 9 o’clock)
• Top Rail: Full-length Picatinny rail
• Lower Pattern: GEN1 DPMS .308 pattern
• Buffer Tube: Mil-spec
• Buffer: .308 short carbine buffer (3.8 oz)
• Trigger: Mil-spec AR trigger
• Stock: Adaptive Tactical adjustable stock
• Grip: Hogue rubberized grip
• Charging Handle: Right-side charging knob
• Capacity: 5 rounds
• Includes: 5-round magazine, soft case, limited warranty