The Winchester SXP (Super X Pump) is a fast-cycling, inertia-assisted pump with a four-lug rotary bolt, an aluminum alloy receiver, a chrome-plated chamber and bore, a back-bored barrel, a drop-out trigger group and an Inflex recoil pad. This 12 gauge model has an 18″ barrel with a 3″ chamber. It has a Grade I Beech stock with a satin finish and a matte aluminum alloy receiver. It holds 5 2-3/4″ shells in the magazine. It weighs 6 lb 8 oz. Manufacturer part number: 512418395.
Key features
- 12 gauge, 3″ chamber, 18″ barrel
- Length of pull: 13-3/4″; drop at comb 1-3/8″, drop at heel 1-5/8″
- Weight: 6 lb 8 oz; overall length: 38-1/2″
- Stock: Grade I Beech, satin finish
- Receiver: matte aluminum alloy
- Front sight: brass bead
- Recoil pad: Inflex 1
- Satin finish wood stock
- Classic corn cob forearm
- Heat shield
- Drilled and tapped for an optics base
- 18″ matte black finish barrel
Buying from PM Customs in Yukon
PM Customs is a licensed FFL in Yukon, OK, serving the Oklahoma City metro. Choose local pickup by appointment (generally Mon–Sat, 8 AM–4 PM), or have your Winchester SXP Trench shotgun shipped to your local FFL. You pick at checkout. Questions? Call 405-265-8955.






