The Patriot Ordnance Factory 4PEAKS AKSA ARMS S4 12GA 18.5 BLK 5RD is a semi-automatic 12 gauge shotgun built around a dual gas piston system for smooth, reliable cycling. Featuring a rugged 18.5-inch chrome plated barrel and a 7075-T6 billet aluminum receiver, this S4 delivers dependable performance with a clean, modern profile. The synthetic stock, ergonomic pistol grip, and integrated Picatinny rail provide a solid, controllable platform ready for optics and accessories.

This model’s 5+1 capacity, 3-inch chamber, and fixed ghost ring sights make it well suited for home defense, training, and extended range sessions. The oxidation-proof barrel and proof-tested 4140 steel construction help ensure long-term durability in a variety of environments. With its balanced 8.3-pound weight and straightforward manual cross-button safety, the AKSA Arms S4 offers a confident, user-friendly experience backed by the manufacturer’s focus on practical design and dependable craftsmanship.

Key Features:

• Manufacturer: Patriot Ordnance Factory
• Model: 4PEAKS AKSA ARMS S4 12GA 18.5 BLK 5RD
• Caliber: 12 Gauge
• Action: Semi-Automatic
• Barrel Length: 18.5"
• Capacity: 5+1
• Chamber: 3"
• Weight: 8.3 lbs
• Unique Features: Dual gas piston system, chrome plated proof-tested 4140 steel barrel, 7075-T6 billet aluminum receiver, Picatinny rail, fixed sights with rear ghost ring, synthetic stock with pistol grip