28 BROWNING.COM GRIPPING SURFACES Silver shotguns feature checkered gripping surfaces for a sure hold in all climate conditions. SEMI-HUMPBACK Offers longer sight plane. RECEIVER Constructed from rugged, lightweight aluminum alloy. BOLT AND BOLT SLIDE The bolt and bolt slide are coated with a tough, durable phosphate finish. FINGER GROOVE For shooting comfort. FRONT SIGHT Brass bead front sight. INTERCHANGEABLE CHOKE TUBES To maximize versatility and optimize shot pattern performance, Silver shotguns feature the Invector- Plus system. SILVER Common Features ACTIVE VALVE GAS SYSTEM The self-adjusting Active Valve Gas System efficiently adapts to reliably fire a wide range of loads. The piston retains more gas from lighter loads to aid reliability and vents more gas from heavier loads to lessen felt recoil. Excess gases are vented out the top of the forearm and away from the receiver for cleaner, more reliable operation.