The BPS in 28 gauge — a small-gauge pump alternative to the 870 Express and 500. Browning scaled the BPS receiver for 28 gauge with a dedicated frame. The 26-inch barrel and Invector choke system. Bottom ejection. A refined small-gauge pump gun. Type: Shotgun Action: Pump-Action Caliber: 28 Gauge Capacity: 4 Year introduced: 1994, Japan Weight: 160 oz Overall length: 44.5" Status: Active Intended use: Hunting