Bcm Gfsmod2Spmdfde Stock Mod 2 Sopmod Fde Widebody

The BCM Mod 2 SOPMOD stock in Flat Dark Earth is a purpose-built rifle buttstock that combines ergonomic design with genuine durability—the kind of gear that performs whether you're running drills at the range, training for duty, or building a serious AR platform. This FDE stock ships as a complete kit with a MK2 receiver extension, buffer, end plate, castle nut, and spring, giving you everything needed for a drop-in installation on mil-spec or intermediate-length receiver extensions.

BCM engineered the Mod 2 with a distinctive semi-clubfoot profile (U.S. Patent D901616) that improves ergonomics in prone shooting while staying snag-free—no sharp edges to catch slings, body armor, or kit. The removable modular buttpad lets you swap between a rubberized surface for traditional grip or a diamond-textured solid pad for high-ready weapon manipulation, adapting to your shooting style. The ambidextrous QD interface and patented internal latch system (U.S. Patent 9,109,855) deliver reliable mounting and rotation-limited sling attachment, while the VBOST (Vehicle Borne Operations Sling Tab) adds dedicated retention points for S-folded sling configurations used in vehicle or low-visibility movement.

Built entirely in Hartland, Wisconsin, the BCM Mod 2 represents the American-made standard for AR accessories. The included MK2 receiver extension runs approximately 3/4" longer than a standard carbine tube, offering intermediate positioning for shooters who want better balance and control. FDE finish matches modern rifle builds and provides a professional appearance across duty, competition, and hunting platforms.

Key Features

• Patented semi-clubfoot design optimized for prone shooting and snag-free operation
• Modular buttpad—swap between rubberized and diamond-textured solid surfaces
• Ambidextrous QD interface with rotation-limited sling attachment
• VBOST sling retention for S-folded carry in vehicles or tactical movement
• Complete kit includes MK2 receiver extension, buffer, spring, end plate, and castle nut
• Mil-spec diameter; fits standard and intermediate receiver extensions
• U.S. Patent D901616 and 9,109,855
• Manufactured in the USA

Specifications

Frequently Asked Questions

What receiver extension does this kit use, and will it fit my AR?

The BCM Mod 2 SOPMOD stock ships with a BCM MK2 receiver extension—an intermediate-length tube approximately 3/4" longer than a standard carbine extension. It's mil-spec diameter and works on any mil-spec or intermediate-length receiver extension. If your rifle has a standard carbine extension or an A5-length tube, confirm your extension type before purchase; the stock itself is compatible with mil-spec diameter tubes, but the included MK2 extension is optimized for intermediate platforms.

Does the kit come with everything I need to install it?

Yes. The kit includes the BCM Mod 2 stock, MK2 receiver extension, mil-spec buffer spring, MK2 Mod 1 buffer (~3.8 oz), BCM EPM4 end plate with QD swivel mount, castle nut, and locking nut. You'll have all the components necessary for a complete upper-to-lower assembly without additional hardware purchases.

What's the difference between the rubberized and diamond-textured buttpad?

The stock ships with a removable modular buttpad that allows you to swap between surfaces. The rubberized pad is traditional for general shooting and comfort, while the solid diamond-textured surface is optimized for high-ready weapon manipulation and non-slip grip when running the rifle in tactical or duty configurations.

What is the VBOST, and when would I use it?

VBOST (Vehicle Borne Operations Sling Tab) is a dedicated retention interface on the stock designed for S-folded sling configurations—a carry method commonly used in vehicle operations or low-visibility movement where you want the sling tight against the stock. It provides multiple anchor points for retention bands, adapting the stock to different mission profiles.