Rock River Arms BLK2132 LAR-15M | .300 AAC Blackout | 30+1

The Rock River Arms LAR-15M (MPN BLK2132) is an AR-style pistol chambered in .300 AAC Blackout configured with a 30+1 capacity and an SB Tactical SBA3 arm brace. Source data indicates a black M-LOK handguard, a black aluminum Picatinny rail receiver and a Hogue rubber pistol grip with polymer stock. This listing includes the manufacturer’s stated accessories and the specific technical notes below.

Suggested optic: a compact red-dot such as the Vortex SPARC AR pairs well with this platform for rapid target acquisition while preserving sight radius and clearing the Picatinny rail for other accessories.

Product Specifications

• The manufacturer is Rock River Arms.
• The model / MPN is BLK2132 LAR-15M.
• The caliber is .300 AAC Blackout.
• The action is Semi-Auto.
• The capacity is 30 + 1.
• The handguard is reported as 8″ M-LOK in the product name and attributes, but a secondary source text reports 6″; this inconsistency requires review.
• The receiver is described as a Black Aluminum Picatinny Rail Receiver.
• The brace is a Black SB Tactical SBA3 Arm Brace.
• The grip material is Black Hogue Rubber.
• The stock material is Polymer.
• The stock finish is Black.
• The overall length is listed as 24 inches.
• The weight is listed as 5.20 lbs.
• The safety is listed as Lever Action in source attributes.
• The included items are magazine, case, keyed cable lock, manual, and warranty info.
• The UPC is 842834125401.

This LAR-15M configuration is built to be a compact, pistol-class AR platform in .300 AAC Blackout. It suits short-range precision work and suppressed small-game or predator hunting when legal and appropriate, or any application that benefits from a compact AR platform with a high-capacity magazine and an adjustable arm brace. The package includes common accessories to get the platform into use right away.

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