Composite stock chrome plated barrel aluminum alloy receiver gas operated Active Valve system inflex recoil pad LOP spacers large cocking handle reversible safety – Built on success. The SX4 is built on the bulletproof Active Valve system that was the core foundation of the SX3. We built on that solid operating mechanism and improved the balance controls and internal operating components of the SX4 to make it a worthy successor to the SX3. – RECEIVER Aluminum alloy; Realtree Timber camouflage finish – BARREL Chrome plated chamber and bore; Realtree Timber camouflage finish; Ventilated rib – ACTION 12 gauge 3½ and 3 chamber; 20 gauge 3 chamber; Gas operated with Active Valve system – STOCK Composite; Realtree Timber camouflage finish – FEATURES Three Invector-Plus choke tubes (FMIC); TRUGLO fiber-optic sight; New Inflex Technology recoil pad; Length of pull spacers; New larger cocking handle bolt release and reversible safety button for faster operation; New larger opening in trigger guard for gloved fingers; Sling swivel studs – Gauge: 12 Ga – Chamber Length: 3 – Barrel Length: 28 – Overall Length: 49 – Length of Pull: 14 1/4 – Drop at Comb: 1 3/4 – Drop at Heel: 2 – Weight: 7 lbs 2 oz – Magazine Capacity: 4 2 3/4 shells