GForce Arms MKX3 12GA Shotgun

Posted: 04/29/2026

GForce Arms MKX3 12GA Shotgun

The GForce Arms MKX3 is a 12-gauge, gas-operated semi-automatic shotgun featuring an AR-style design, and a 20-inch steel barrel. It features a 5+1 capacity, 3-inch chamber, black anodized aluminum receiver, flip-up sights, and is compatible with Benelli/Beretta Mobil chokes. Includes two 5 round magazines, chokes, and manual.

Specifications:

  • Action: Semi-Automatic (Gas operated)
  • Gauge: 12 Gauge
  • Chamber: 3-inch (handles 2-3/4″ and 3″ shells)
  • Barrel Length: 20″
  • Capacity: 5+1 (ships with 5-round magazines)
  • Weight: 8.59 lbs
  • Overall Length: 38″
  • Receiver: Black Anodized Aluminum
  • Stock: Fixed Synthetic with adjustable cheek riser
  • Sights: Pop-up/Flip-up polymer sights
  • Choke Configuration: Benelli/Beretta Mobil
  • Safety: Manual