Upgrade your AR‑platform with the Battle Arms Development Lightweight 9MM 5.25" Barrel. Engineered for precision, durability, and reduced recoil, this barrel delivers the perfect blend of performance and weight savings for pistols, carbines, and short‑barrel builds.
Key Features & Benefits
- Lightweight Design – Precision‑machined alloy reduces overall weapon weight without compromising structural integrity.
- 9 MM Caliber – Optimized bore and chamber dimensions for reliable 9 mm ammunition feeding and extraction.
- 5.25" Barrel Length – Ideal for close‑quarters and tactical scenarios, offering a compact profile while maintaining effective muzzle velocity.
- 1/2x36 Threaded End – Ready for muzzle devices, suppressors, or flash hiders with a standard 1/2‑inch by 36‑thread pitch.
- Advanced Nitride Finish – Hard‑coated surface provides superior corrosion resistance, wear resistance, and a sleek black aesthetic.
- Enhanced Accuracy – Match‑grade rifling and free‑floating design promote tight shot groups at typical engagement ranges.
- Reduced Recoil & Muzzle Rise – The lightweight profile and optimized gas system pairing help tame felt recoil.
Technical Specifications
| Caliber | 9 MM |
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| Barrel Length | 5.25 inches (133 mm) |
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| Thread | 1/2x36 (M12.7×0.91 mm) |
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| Finish | Black Nitride (Nitrided) |
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| Material | Aircraft‑grade aluminum alloy |
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| Weight | ≈ 9.5 oz (269 g) |
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| Compatibility | AR‑15, AR‑10, and AR‑style lower receivers (9 mm conversion kits) |
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| UPC | 810033783371 |
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| Part Number | A‑BBL5.25T9MM1‑10BN |
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Why Choose Battle Arms Development?
Battle Arms Development has a reputation for producing high‑quality firearm components that meet the demanding standards of tactical professionals, competitive shooters, and hobbyists alike. Each barrel undergoes rigorous quality control, ensuring consistent bore geometry and flawless nitride coating. When you select this barrel, you’re investing in a product designed for:
- Maximum reliability under rapid fire.
- Easy maintenance – the nitride surface resists fouling and simplifies cleaning.
- Seamless integration – factory‑tested fit for standard AR upper assemblies.
- Future‑proofing – the threaded muzzle provides versatility for suppressor or muzzle device upgrades.
Installation & Compatibility Tips
- Verify that your lower receiver is configured for a 9 mm conversion kit.
- Ensure the barrel’s 1/2x36 thread matches your chosen muzzle device.
- Use AR‑compatible torque specifications (typically 5–7 in‑lb) for the barrel nut.
- Perform a function test after assembly to confirm proper feeding and ejection.
- Apply a light coat of anti‑seize compound on the threads if you plan to swap muzzle devices frequently.
SEO Optimized Summary
The Battle Arms Development Lightweight 9MM 5.25" Barrel is the premier choice for shooters seeking a compact, high‑performance AR‑style rifle. Its nitride finish, 1/2x36 threading, and lightweight construction make it ideal for tactical, defensive, and competition applications. Upgrade your build today and experience the difference of a purpose‑built 9 mm barrel that delivers accuracy, durability, and reduced recoil.