Winchester SXP Marine Extreme Defender
Winchester SXP Marine Extreme Defender 12 GA 18 in 5rd Pistol-Grip Pump Shotgun
The SXP Marine Extreme Defender is a pump-action 12-gauge from Winchester’s SXP Defender lineup. It features an 18 in barrel chambered for 3" shells, an aluminum-alloy receiver, and a matte chrome barrel and magazine tube paired with a matte-black synthetic pistol-grip stock. The shotgun ships with an Invector-Plus Door Breacher choke tube and a Speed Pump rotary bolt system.
Factory sights and mounting features include a ghost-ring rear sight with a blade front sight and a Picatinny optics rail; side-mounted Picatinny accessory rails are also fitted for tactical accessories. The SXP Marine Extreme Defender is ma…

Specifications
| UPC | 048702026607 |
|---|---|
| Brand | Winchester |
| Model | SXP Marine Extreme Defender |
| Caliber | 12 GA |
| Series | Marine Extreme Defender — pistol-grip, matte chrome barrel |
| Mfg Part Number | 512464395 |
| Barrel Length | 18 in in |
| Capacity | 5 rounds (total, 3" shells) |
| Overall Length | 38.5 in |
| Sights | Ghost-ring rear sight; blade front sight |
| Frame | Aluminum alloy receiver |
| Finish | Matte chrome barrel and magazine tube; matte black synthetic stock |
| Grip | Textured synthetic pistol grip |
| Weight | 6.25 lb lbs |
| Purpose 1 | Personal Defense |
| Purpose 2 | Sport Shooting / Competition |
Winchester is a leading manufacturer of firearms, renowned for its iconic rifles, shotguns, and innovative repeating firearms. Known for its craftsmanship and reliability, Winchester firearms are trusted by hunters, competitive shooters, and professionals worldwide. With a legacy of innovation and quality, Winchester continues to be a cornerstone in the firearm industry.
Founded in 1866, Winchester revolutionized the firearm industry with the development of repeating rifles. The company’s legacy spans over a century, gaining fame for its hunting rifles and shotguns. Winchester became a symbol of American innovation, producing firearms that were both reliable and advanced for their time.
Notable models include the Winchester Mo…
Founded in 1866, Winchester revolutionized the firearm industry with the development of repeating rifles. The company’s legacy spans over a century, gaining fame for its hunting rifles and shotguns. Winchester became a symbol of American innovation, producing firearms that were both reliable and advanced for their time.
Notable models include the Winchester Mo…
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