Hunting purpose 12 gauge 3.5 double magnum chamber gas operated semi auto shotgun - Flawless performance on all 2.75 3 and 3.5 shot shells from 7/8 oz light loads to 2 3/8 oz heavy load double magnum shells - Fast Loading System & SmartMAX Piston - Aircraft alloy receiver with 11mm groove for scope mounts - Synthetic stock with rubber inlays for better control & feel - Rubber butt pad for recoil absorption & 3 stock spacers to extend stock length of pull - Oxidation Proof Chrome plated barrels made of Chromium Nickel Molybdenum steel. All barrels are Proof Tested - Checkered & ventilated anti-glare raised rib with Hiviz Spark front sight fitted Steel shot suitable multi 5 choke system (F IM M IC CYL) - Magazine capacity: 4+1 rounds - Accessory migratory plug decreases capacity to 2+1 - Comes with 4 stock shims to adjust stock drop and cast - Magazine cut-off system for single shot - Manual cross-button trigger safety - Mounted sling studs