Rock River Arms R9 Competition 9mm 16″ 17+1 Semi-Auto

About this product

The Rock River Arms R9 Competition (BT91700V1) is an AR-style semi-automatic chambered in 9mm configured for practical competition and range use. It ships with a 16″ fluted, threaded barrel and an RRA NSP-2 six-position stock. The rifle features a two-stage match trigger and a mini brake muzzle for consistent follow-up shots. Fit, controls and ergonomics reflect Rock River Arms’ emphasis on a competition-ready AR platform.

Key Specifications

• Chambering is 9mm.
• Action type is Semi-Auto.
• Magazine capacity is listed as 17+1 in the product name.
• The barrel measures 16 inches and is fluted and threaded.
• The muzzle is fitted with a mini brake.
• The rifle weight is approximately 6.80 lbs.
• Stock is an RRA 6-position NSP2 with black finish group.
• Trigger is a two-stage match design.
• The barrel twist rate is 1:10.
• The rifle is configured for right-hand operation.

Purpose-built for competitive stages and disciplined range work, the R9 Competition balances controllability and modularity in a familiar AR platform. Its combination of a match trigger, adjustable stock and a fluted, threaded barrel make it a practical choice for shooters focused on accuracy and handling in timed or precision drills.

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