The Patriot Ordnance Factory Revolution Gen 4 is a lightweight, piston-operated AR-10-style rifle chambered for .308 Win and 7.62x51 NATO. Its 16.5-inch threaded barrel, five-position adjustable gas piston, single-stage match-grade trigger, and fully ambidextrous billet receiver set provide a versatile foundation for tactical, defensive, and range applications. The optic-ready receiver supports a wide range of aftermarket sighting systems.

Key features

• Short-stroke piston operation helps keep combustion residue out of the receiver for cleaner cycling.
• 16.5-inch threaded barrel with a 1:10 twist supports common .308 Win and 7.62x51 NATO loads.
• Five-position adjustable gas piston allows tuning for different ammunition and shooting setups.
• Single-stage match-grade trigger provides a crisp, consistent trigger press.
• Fully ambidextrous billet receiver controls improve handling for right- and left-handed shooters.
• 20+1 capacity provides substantial ammunition capacity for training and field use.

The Revolution Gen 4 combines piston-driven reliability, ambidextrous controls, and a compact 16.5-inch configuration in a lightweight .308 Win rifle.