Ruger AR-556 MPR 350 Legend 16.38" Threaded Barrel 5+1 Capacity

The Ruger AR-556 MPR in 350 Legend delivers straight-wall cartridge performance in a versatile AR-15 platform. This multi-purpose rifle combines hunting capability with tactical features for hunters in straight-wall cartridge states and shooters seeking powerful short-to-medium range performance.

What Makes This Different

Built on Ruger's proven AR-556 platform, this MPR variant chambers the increasingly popular 350 Legend cartridge. The 16.38-inch barrel provides optimal velocity for the straight-wall round while maintaining maneuverability. Unlike standard AR-15s in traditional calibers, this configuration meets hunting regulations in states requiring straight-wall cartridges for deer hunting.

Key Features

• 350 Legend chambering for straight-wall cartridge hunting compliance
• 16.38-inch threaded barrel with 1:16 twist rate optimized for 350 Legend
• 15-inch free-float handguard with M-LOK attachment points
• Magpul SL buttstock on mil-spec buffer tube for adjustability
• Magpul MOE grip for enhanced control and ergonomics
• Hard coat anodized finish for corrosion resistance
• 5+1 capacity with included magazine

The 350 Legend cartridge delivers impressive terminal performance on medium game while generating manageable recoil. Effective range extends to 200 yards for hunting applications, with the straight-wall design providing excellent energy transfer. The threaded muzzle accepts standard 5/8-24 accessories including muzzle brakes and suppressors. Weather-resistant hard coat anodizing protects the receiver and barrel in field conditions.

Technical Specs

• Caliber: 350 Legend
• Barrel Length: 16.38 inches, threaded 5/8-24
• Overall Length: Approximately 32.25-35.5 inches (stock dependent)
• Weight: Approximately 6.85 pounds
• Handguard: 15-inch free-float with M-LOK slots
• Stock: Magpul SL on mil-spec buffer tube
• Grip: Magpul MOE
• Finish: Hard coat anodized
• Magazine Capacity: 5 rounds (included)
• Made in USA

This AR-556 MPR addresses the specific needs of hunters in straight-wall cartridge states while maintaining the modularity and reliability of the AR platform. The combination of proven components and specialized chambering creates a focused tool for both hunting and recreational shooting applications.