BCM Mod 3 Stock w/ Risers – Black

The BCM Mod 3 Stock with stock risers is a refined, minimalist buttstock developed from operational feedback for AR-style platforms. It is designed to be lightweight and snag-free while retaining durability through an improved double-walled (H-Beam) construction. The kit includes two friction-fit M3 marksman risers that provide multiple mounting positions and orientation options for consistent cheek weld with optics. Tool-less install/removal and an ergonomic lever make on-weapon adjustments straightforward.

Key Specifications

• The stock weighs 6.4 oz for minimal added mass to the platform.
• Includes two friction-fit M3 marksman risers sized approximately 0.5 inches and 0.8 inches.
• Construction uses a double-walled (H-Beam) design for strength and durability.
• The primary materials are polymer & aluminum.
• The finish is specified as for mil-spec tube / black.
• Designed to fit AR rifles and accept mil-spec buffer tubes.
• Overall dimensions are 3.25 x 5.50 x 10.55 inches.
• Features horizontal and vertical web sling attachment points for versatile sling setups.
• Incorporates the patented internal latch system U.S. Patent 9,109,855 with an ergonomic quick-adjust lever.

The Mod 3 Stock balances lightweight design with practical features for informed, no‑nonsense shooters who value reliability and configurability. Its marksman risers, non-slip buttpad and grip panels, and quick-adjust hardware make it well suited to optics-equipped AR platforms and adaptable mission profiles where consistent cheek weld and fast adjustments are required. Built with durable materials and proven engineering, the Mod 3 is a practical upgrade for operators seeking streamlined function without unnecessary complexity.