Rock River Arms OP1000BT Operator ETR Carbine .308 16-inch

About this product

The Rock River Arms OP1000BT LAR-BT3 Operator ETR is a compact .308 Win carbine designed for duty-style and precision-capable shooting applications. It features a 16-inch threaded barrel and a 13-inch lightweight M-LOK handguard with an extended charging handle for easier manipulation. The rifle ships with an RRA NSP-2 adjustable stock, a Hogue grip, and a carrying case. Construction and controls reflect Rock River Arms’ focus on robust components and match-oriented features.

Key Specifications

• The caliber is .308 / 7.62 NATO.
• The barrel length is 16 inches.
• The handguard is a 13-inch lightweight M-LOK design.
• The barrel is described as threaded.
• The action is Semi-Auto.
• The stock is a RRA 6 Position NSP2 adjustable unit.
• The trigger is a Two Stage Match design.
• The muzzle device is an A2 Flash Hider.
• The listed weight is 6.40 lbs.
• The rifling twist rate is 1:10.

This OP1000BT Operator ETR carbine pairs a serviceable 16-inch threaded barrel and compact ergonomics with match-oriented features like a two-stage trigger and adjustable NSP-2 stock. It is well suited for shooters seeking a balance of maneuverability and accuracy in a .308 platform, with M-LOK modularity for accessory mounting and a carrying case for transport and storage.