Winchester Repeating Arms SXP, Extreme Defender, Pump Action Shotgun, 12 Gauge, 3 Chamber, 18 Barrel, Perma-Cote Finish, Flat Dark Earth, Woodland Camo Pistol Grip Stock, 5 Rounds 512460395 The Extreme Defender models may be the ultimate SXP Defender shotguns in their history. Whether running through a 3-Gun competition course, hunting turkey, or keeping handy at camp, SXP Ultimate Defender shotguns offer the complete package from the heat shield to the Door Breacher choke tube.