Rock River Arms LAR-15M 300 AAC Blackout 30+1 SBA3 Brace

About this product

The Rock River Arms LAR-15M is an AR-style pistol chambered in .300 AAC Blackout designed for compact handling and modular accessory fit. It features a low-profile gas block, a single-stage trigger, and an M-LOK compatible free-floating aluminum handguard. The pistol ships with an SB Tactical SBA3 arm brace, a Hogue rubber grip, and a Picatinny rail receiver to support optics and attachments.

Key Specifications

• The weight is 5.20 lbs.
• The weight range is 5 lbs to 5.99 lbs.
• The action is Semi-Auto.
• Chambered in .300 AAC Blackout.
• The standard capacity is 30 + 1.
• The stock material is Polymer.
• The stock finish is Black.
• The grip material is Black Hogue Rubber.
• The overall length measures 24″.
• The safety is a Lever Action.

Built for shooters who value compact, purposeful design and reliable components, the LAR-15M assembles practical features into a configurable platform. Its M-LOK handguard and Picatinny rail provide mounting options while the SBA3 arm brace and ergonomic Hogue grip support controlled handling in a compact footprint. This model is suited to range use and situations where a compact AR-style pistol with modern accessory compatibility is preferred.

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