B5 Systems SOPMOD Stock Mil-Spec AR-15 Gray
B5 Systems
$95.00
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B5 Systems
B5 Systems SOPMOD Stock Mil-Spec AR-15 Gray
The B5 Systems SOPMOD Stock in Mil-Spec Gray brings battle-proven engineering to your AR-15 build, combining the legendary Crane NSWC SOPMOD design with modern enhancements that serious shooters and military professionals demand.
- Mil-spec carbine receiver extension compatible — fits standard AR-15 platforms
- Overmolded steel anti-rotational QD sling mounts for rock-solid sling attachment
- Dual water-resistant storage compartments keep batteries and essentials secure
- No-slip cushioned buttpad improves recoil management and shoulder retention
- Color-matched steel hardware delivers a clean, professional aesthetic
- SureGrip stock latch provides positive, rattle-free locking on any position
Who This Is For
The B5 Systems SOPMOD Stock is ideal for AR-15 owners who want a rugged, feature-rich stock rooted in real-world military use — whether you're running a duty rifle, a competition build, or a hard-use range carbine. It's equally well-suited for shooters who prioritize sling compatibility, ergonomic cheek weld, and onboard storage without sacrificing the proven SOPMOD profile.
Specifications
| Brand | B5 Systems |
|---|---|
| Model | SOPMOD Stock |
| Color | Gray (Mil-Spec) |
| Compatibility | Mil-Spec carbine receiver extension (AR-15) |
| Sling Mounts | Overmolded steel anti-rotational QD + fixed |
| Storage | Dual water-resistant compartments |
| Hardware | Color-matched steel |
| Buttpad | No-slip cushioned |
| Country of Origin | USA |
| Material | Mil-Spec polymer and steel |
Frequently Asked Questions
Will this stock fit my AR-15 with a commercial-spec buffer tube?
No — the B5 Systems SOPMOD Stock is designed specifically for mil-spec carbine receiver extensions (buffer tubes). Mil-spec tubes have a slightly smaller diameter than commercial-spec tubes. Before installing, confirm your buffer tube is mil-spec diameter to ensure a proper fit and function.
What size QD sling swivels are compatible with the sling mounts?
The SOPMOD Stock features standard 1.25-inch (1-1/4") QD push-button sling swivel mounts, which are compatible with the vast majority of aftermarket QD swivels on the market. The anti-rotational design prevents the mount from spinning under load, keeping your sling in the correct orientation during use.
What can I store in the built-in storage compartments?
The dual water-resistant storage compartments are sized to hold small essentials like CR123 or AA batteries, a cleaning kit, spare parts, or a bore snake. They're a popular feature among tactical and duty users who want quick access to critical gear without adding extra pouches or accessories to their kit.
