B5 SOPMOD Stock – Trusted, Duty-Proven AR-15 Carbine Stock

Looking for a rugged, combat-ready upgrade for your AR-15? The B5 SOPMOD Stock is the go-to choice for professionals, clone builders, and tactical shooters who demand both comfort and performance. Built to military specifications and trusted by U.S. military units, this stock offers a superior cheek weld, anti-rotation QD sling mount, and internal storage — making it one of the most complete stock upgrades available.

At Mounts Plus, we carry the full lineup of B5 Systems SOPMOD Stocks, including enhanced models in multiple colors to match your build. Whether you're assembling a SOPMOD Block II clone or simply want the best stock for your AR-15, the B5 delivers.

---

✅ Key Features of the B5 SOPMOD Stock

• Mil-Spec Compatibility – Fits all standard AR-15 mil-spec carbine buffer tubes
• Enhanced Cheek Weld – Wider top profile for more consistent and comfortable sight alignment
• Dual Storage Compartments – Waterproof battery storage for mission-critical gear
• QD Sling Swivel Socket – Anti-rotation mount for secure sling setup
• Rubber Buttpad – Reduces felt recoil and helps with solid shouldering
• Snag-Free Design – Clean profile ideal for gear-heavy environments
• Made in the USA – Built tough to meet military-grade expectations

---

🔧 Ideal Applications

• Duty & Tactical AR-15 Builds
• M4 Clone Projects
• DMR & Precision Shooting Platforms
• Home Defense Rifles
• SBRs and Compact Carbines

---

🛒 Why Choose Mounts Plus?

We only stock battle-tested parts like the B5 Systems Enhanced SOPMOD Stock because they deliver real-world performance. With fast shipping, expert support, and great color selection — including Black, FDE, OD Green, and MultiCam — you’ll get exactly what your build needs.

---

Complete your AR build with premium parts that pair perfectly with the B5 SOPMOD Stock. Upgrade your grip with the B5 P-Grip for a natural hand angle and improved control. For tactical versatility, consider adding a B5 Vertical Grip to your handguard. Don’t forget to browse our full range of AR-15 buffer tubes and AR-15 stocks to find the perfect match for your rifle setup.

---

❓ B5 SOPMOD Stock FAQs

Q: Will the B5 SOPMOD Stock fit my AR-15 buffer tube?
A: Yes. It fits all mil-spec diameter AR-15 carbine buffer tubes (not commercial spec).

Q: Is this stock good for clone rifle builds?
A: Absolutely. The B5 SOPMOD is designed to replicate the military SOPMOD Block II stock used on M4 carbines.

Q: Does the B5 SOPMOD Stock include sling attachment options?
A: Yes. It features an integrated anti-rotation QD sling swivel mount and a standard loop.

Q: What are the storage compartments used for?
A: They are waterproof and perfect for storing CR123 batteries, small tools, or other essentials.

---