The 11-87 SPS Super Magnum adds the 3.5-inch chamber to the SPS synthetic platform, creating the most capable weather-resistant semi-auto 870-lineage gun Remington produced for waterfowl hunters. 28-inch barrel standard. Type: Shotgun Action: Semi-Automatic Caliber: 12 Gauge Capacity: 4 Year introduced: 1996, USA Weight: 228 oz Overall length: 48" Status: Active Intended use: Hunting