Radikal Arms MKX-3 Black 12 Gauge 3in Semi Automatic Shotgun - 24in - Radikal Arms MKX3: This incredible new shotgun from Radikal Arms is designed in the AR-12 configuration making it incredibly easy to use! This model's overall length makes it ideal for home defense or competitive shooting. This shotgun is chambered in hard-hitting 12GA and is fed from a detachable 5rd box style magazine. The barrel on this model is 24" in length. This model is comfortable and ergonomic and can be tailored to fit any shooter with its adjustable cheek riser. The pistol grip makes it incredibly easy to get on target. This model features the same ergonomic controls and manual of arms as the AR-15 rifle, making it incredibly natural to pick up and shoot. Also, this model features front and rear flip-up sights, so it is ready to shoot right out of the box! Compatible with most AR-12 pattern magazines and drums.