Rock River Arms, a Colona, Illinois-based manufacturer of rifles and accessories, has announced the release of their new LAR-458 ‘Beast’ carbine. Click here to watch a video showcasing the LAR-458.

This aptly named carbine is chambered in .458 SOCOM and features a 14.5-inch chrome moly bull barrel with a 1:14 twist. It also boasts a forged AR upper receiver, a two-stage trigger, a hogue rubber pistol grip, a low profile gas block, an RRA Delta CAR buttstock, a TRO-XL extended length free float rail, and the RRA ‘Beast’ muzzle brake which is pinned and welded on. In addition, the LAR-458 has an overall weight of 7.6 pounds, 37 inches, and an accuracy of 1.5 MOA at 100 yards. This rifle was designed for a number of different applications, including tactical and hunting.

The LAR-458 .458 SOCOM ‘Beast’ Carbine from Rock River Arms is available at a manufacturer suggested retail price of $1,500.00. See below for additional details about this carbine.

Specifications: Rock River Arms LAR-458 .458 SOCOM ‘Beast’ Carbine

  • Caliber: .458 SOCOM Chamber
  • Upper Receiver: Forged A4
  • Barrel: 14.5 inch Chrome Moly Bull Barrel, 1:14 Twist
  • Muzzle Device: RRA Beast Brake/ 5/8-32 Thread
  • Gas Block: Low Profile Gas Block
  • Trigger: RRA Two Stage
  • Handguard: RRA TRO-XL Extended Length Free Float Rail
  • Pistol Grip: Hogue Rubber Pistol Grip
  • Buttstock: RRA Delta CAR Stock
  • Weight: 7.6 lbs
  • Length: 37 inches
  • Accuracy: 1.5 MOA at 100 Yards
  • Included: One Mag, RRA Case, Manual, Warranty

Rock River Arms is a rising star in the tactical and hunting rifle market. In addition to the LAR-458 ‘Beast,’ the company sells the LAR-15 in .223/5.56, LAR-8 in .308/7.62, LAR-6.8 in 6.8mm REM SPC, the LAR-9 in 9mm, the LAR-40 in .40 S&W, the LAR-PDS, the LAR-47 in 7.62x39mm, and much more. For even more info, please visit

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