Description
The Rock River Arms LAR-BT9G CAR A4 is a semi-automatic 9mm carbine built on a black aluminum receiver and fitted with a 16″ threaded barrel. It ships with a polymer drop-in handguard and an RRA 6-position tactical polymer stock for adjustable ergonomics. The design accepts Glock-pattern magazines and includes a Hogue rubber pistol grip in a right-hand configuration.
Key Specifications
- The rifle weighs 7.10 lbs.
- The chambering is 9mm.
- The barrel measures 16″ and is threaded.
- The action is Semi-Auto.
- The rifling twist is 1:10.
- The trigger is a Single Stage.
- The stock is a RRA 6 Position Tactical.
- The receiver material is Aluminum.
- The overall length is 36″.
- The muzzle features an A2 Flash Hider.
With Glock-magazine compatibility, a threaded 16″ barrel and an adjustable 6-position stock, the LAR-BT9G is arranged for reliable, practical use on the range and in general-purpose carbine roles. Its straightforward controls and durable components make it a functional option for shooters who prioritize modularity and solid construction.





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