B5 SOPMOD Stock Features and Performance

The B5 SOPMOD Stock is built for shooters who want a premium collapsible rifle stock with a proven cheek weld, rugged construction, and practical storage features. This coyote brown mil-spec version is designed for AR-platform rifles that use a mil-spec carbine receiver extension, making it a strong fit for defensive rifles, training carbines, and general-purpose builds.

One of the biggest advantages of this stock is its ergonomic cheek weld, which helps create a more stable and repeatable shooting position. The stock also includes dual water-resistant storage compartments, giving the user a convenient place to keep small essentials on the rifle without adding unnecessary bulk elsewhere.

B5 Systems designed this stock with features that appeal to hard-use shooters, including color-matched steel hardware, fixed sling mounts, steel anti-rotation quick-detach sling mounts, a cushioned non-slip buttpad, and a sure-grip stock latch. Those details help make the stock comfortable, durable, and practical for rifles that see regular field use, training time, or range work.

For shooters who want a SOPMOD-style stock with strong ergonomics and proven utility, this model remains a popular option. The coyote brown finish gives it a versatile look, while the mil-spec fitment makes it easy to pair with a wide range of AR builds.

Browse our B5 Systems selection and shop more AR stocks on our site.

For manufacturer details, see B5 Systems’ official product page.

Details

Brand: B5 Systems
Model: Enhanced SOPMOD Stock
Manufacturer Part Number: SOP-1076
Fitment: Mil-Spec Carbine Receiver Extensions
Color: Coyote Brown
Cheek Weld: Ergonomic
Storage: Dual Water-Resistant Storage Compartments
Sling Mounts: Fixed Sling Mounts and Steel Anti-Rotation QD Mounts
Buttpad: Cushioned Non-Slip Buttpad
Latch: Sure-Grip Stock Latch
Materials/Finish: MIL-SPEC Materials and Finishes
Length: 7.43 in
Width: 2.4 in
Height: 4.93 in
Weight: 12.2 oz