Panzer Arms AR 12 KMR 12 Gauge Semi-Automatic Shotgun 20″ Barrel Black Pistol Grip

The Panzer Arms AR-12 KMR is the most recent generation (G4) of AR-12 comes with flip up sights and Key Mod attachment points on the handguard, as well as picatinny rail sections on the front end of the handguard. These G4 models come with the following improvements: an upgraded gas system from the factory, improved grip, a thin key mod handguard, and three chokes.