Rock River Arms SOC1820.V1 .458 SOCOM 16-inch Carbine

The Rock River Arms SOC1820.V1 is a .458 SOCOM carbine built on a modern sporting rifle platform to handle heavy-bullet performance while remaining familiar in operation. It pairs a 16-inch threaded barrel with a 13-inch free-float M-LOK handguard and an RRA Beast Brake to manage muzzle behavior. The rifle includes a two-stage match trigger and an RRA 6-position Operator stock for ergonomic adjustment and consistent trigger control.

Key Specifications

• The caliber is .458 SOCOM.
• The barrel measures 16-inch and is threaded for muzzle devices.
• The action is Semi-Automatic.
• The magazine capacity is 7 rounds.
• The overall length is 37 inches.
• The unloaded weight is approximately 7.6 lbs.
• The rifling rate of twist is 1:14″.
• The stock is an RRA 6-position Operator configuration.
• The handguard is a 13-inch free-float M-LOK lightweight aluminum rail.
• The muzzle device is an RRA Beast Brake (5/8-32 thread).

Designed to deliver substantial terminal performance without sacrificing controllability, this SOCOM carbine combines durable components and practical ergonomics. Its two-stage match trigger, adjustable stock and accessory-ready handguard provide a stable, adaptable platform for users who prioritize reliable, straightforward capability in a modern sporting rifle.