Mossberg 590A1 Retrograde 9 Shot 12 Gauge Pump-Action Shotgun, Walnut – 51665 For Sale

The Mossberg 590A1 Retrograde 9 Shot 12 Gauge Pump-Action Shotgun, Walnut – 51665, is a high-performance firearm designed to meet the stringent standards of military and law enforcement usage, and it is now accessible to civilian enthusiasts. Renowned for its reliability and durability, this shotgun features a Parkerized heavy-walled barrel, metal trigger guards, and safety buttons to ensure robustness and longevity under all conditions. Its internal components, including dual extractors, twin action bars, a positive steel-to-steel lock-up, and an anti-jam elevator, work together to deliver smooth and dependable operation. Accommodating both 2.75″ and 3″ 12 gauge shotshells, the shotgun’s receiver is drilled and tapped for Picatinny rail or optics installation. The Retrograde model is distinct for its heavy-walled barrel with a heatshield, ghost ring sights for improved aiming, and a classic walnut stock, merging a timeless aesthetic with modern functionality.