The Rock River Arms LAR-15M is chambered in .17 HMR and configured as a lightweight, optic-ready modern sporting rifle suitable for small-game applications and precision varmint work. It pairs an 18″ threaded steel nitride-treated barrel with a free-float 15″ M-LOK handguard and Magpul furniture. The rifle ships with a magazine and a case and features a two-stage NM Ultra Match trigger for consistent pull.
Key Specifications
- Chambered in .17 HMR.
- Action type is Semi-Automatic.
- The barrel length is 18 inches and is described as threaded steel with a nitride finish.
- The magazine capacity is 10 rounds with a detachable magazine.
- The twist rate is 1:10″.
- The overall weight is 6.75 lbs.
- The rifle includes a 15-inch free-float M-LOK handguard.
- Stock configuration is a Magpul SL-K (6-position) synthetic stock.
- The muzzle device is an A2 flash suppressor.
- Trigger is an RRA Two-Stage Ultra Match (NM Ultra Match 2-stage).
The LAR-15M blends lightweight handling and accurate .17 HMR performance with AR-style ergonomics and accessory compatibility. Its free-float M-LOK handguard and optic-ready upper allow easy sighting setups while the threaded nitride barrel and match-style trigger support consistent shot-to-shot performance. This configuration is well-suited to shooters seeking a precision-oriented, low-recoil platform for small-game and varmint tasks.
Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.
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