Rock River Arms LAR-15M OP1510 5.56 NATO 30+1 BCM SOPMOD

About this product

The Rock River Arms LAR-15M OP1510 Operator DMR is a semiautomatic AR-style rifle configured for service-oriented and precision-focused use. Chambered for .223 REM/5.56 NATO, it ships with a BCM SOPMOD stock, a Hogue beavertail pistol grip, and Magpul MBUS Pro flip sights. The lightweight 13″ M-LOK handguard provides modular accessory mounting while the OEM two-stage match trigger emphasizes a consistent pull. The package also includes a case for secure transport.

Key Specifications

• Chambered in .223 REM/5.56 NATO.
• Configured with a capacity of 30 + 1.
• Operates as a Semi-Auto action.
• Has a listed weight of 7.20 lbs.
• Overall length is 36.50″.
• Muzzle device is an A2 Flash Hider.
• Equipped with Magpul MBUS Pro Front & Rear sights.
• Includes a BCM SOPMOD stock in black.
• Features a Two Stage Match trigger.
• Barrel rate of twist is 1:7″.

This configuration pairs service-caliber chambering with match-oriented controls and familiar ergonomics, making it a practical, upgrade-ready AR platform for experienced shooters who value consistent trigger performance and modular accessory options.