The Rock River Arms LAR-458 Carbine in .458 SOCOM (brand part no. SOC1820V1) pairs a hard-hitting big-bore cartridge with an AR-platform carbine, giving hunters and short-range shooters serious stopping power in a semi-automatic action. Rock River Arms pairs a 16-inch barrel with a 1:14-inch twist tuned for heavy .458 SOCOM bullets, and threads the muzzle at 5/8×32 under the RRA Beast Brake for recoil control. The rifle feeds from a 7-round magazine sized to the cartridge’s large case, and a 2-stage Ultra Match trigger, a low-profile gas block, and a 13-inch M-Lok handguard round out the build. A Hogue rubber grip and an RRA 6-position operator stock complete the package. Among modern sporting rifles in the AR rifles category, the LAR-458 favors hunters who want an AR-platform rifle chambered for big game.

Key Specifications

• Chambered in .458 SOCOM with a 1:14-inch rate of twist.
• Features a 16-inch barrel, threaded 5/8×32 under the RRA Beast Brake.
• Feeds from a 7-round magazine sized to the cartridge.
• Trigger is a 2-stage Ultra Match trigger.
• Handguard is a 13-inch M-Lok design over a low-profile gas block.
• Grip is a Hogue rubber grip.
• Stock is an RRA 6-position operator stock.
• Ships with no sights installed, ready for an optic.
• Weighs approximately 7.6 pounds.
• Finished in black.

Frequently Asked Questions

What is this rifle chambered in? .458 SOCOM, a big-bore cartridge built for stopping power.

What is the magazine capacity? 7 rounds, sized to the .458 SOCOM’s large case.

Buy the Rock River Arms .458 SOCOM Carbine

An AR-platform rifle chambered for big game is exactly what the LAR-458 delivers. As soon as it’s ready to ship, order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.