Dirty Bird Bakersfield
Only 3 left in stock
Description
Elevate your AR-15 build with the Centurion Arms CM4 Forged 5.56 Stripped Upper/Lower Set – Thermal Fit, engineered for precision and reliability in demanding tactical applications. Crafted by Centurion Arms, a trusted name in high-quality firearms components, this receiver set combines military-grade forgings with innovative thermal fit technology to deliver a rock-solid foundation for your custom rifle.
Key Features
- Premium 7075-T6 Aluminum Construction: Forged from aircraft-grade aluminum and hardcoat anodized for exceptional strength, durability, and corrosion resistance, ensuring your build withstands rigorous use.
- Thermal Fit Upper Receiver: Precision-machined with an inner dimension of .997 -0.0/+0.001 inches, designed specifically for M4 barrel extensions. This thermal fit requires controlled heating for installation, creating an ultra-secure, vibration-resistant bond that enhances accuracy and longevity.
- Mil-Spec Lower Receiver: Features a standard inner dimension of 1.000 -0.0/+0.002 inches, guaranteeing seamless compatibility with Mil-Spec components, lowers, and accessories to simplify assembly and customization.
- Stripped Design for Versatility: Both upper and lower are fully stripped, allowing you to tailor your AR-15 with your preferred internals, triggers, and grips without unnecessary pre-installed parts.
Technical Specifications
- Material: 7075-T6 Forged Aluminum, Hardcoat Anodized
- Caliber Compatibility: 5.56 NATO
- Weight: 20 oz (combined set)
- Dimensions: Length: 10 inches, Width: 5.35 inches, Height: 4.4 inches
- Finish: Black Hardcoat Anodize
- Compatibility: AR-15 platform, Mil-Spec standards
Why Choose the Centurion Arms CM4 Receiver Set?
This set addresses common pain points in AR-15 builds, such as loose tolerances leading to reliability issues or premature wear. The thermal fit technology eliminates play between the upper and barrel extension, reducing harmonic interference for improved shot-to-shot consistency and extended barrel life. Ideal for competitive shooters, hunters, or home defense enthusiasts, it offers a professional-grade base that outperforms standard receivers in precision and fit. By choosing Centurion Arms, you’re investing in components built to exceed military specifications, providing peace of mind in every round fired.
Ready to construct a superior AR-15? Add the Centurion Arms CM4 Forged 5.56 Stripped Upper/Lower Set to your build today and experience the difference quality forging makes in performance and reliability.
Frequently Asked Questions
Q: Is this receiver set compatible with standard AR-15 parts?
A: Yes, the lower receiver adheres to Mil-Spec dimensions, ensuring compatibility with most standard AR-15 components, while the upper is optimized for M4 barrel extensions.
Q: What tools are needed for the thermal fit installation?
A: Installation requires a heat source like a heat gun or oven to expand the upper receiver slightly for a secure fit on the barrel extension. Always follow safe heating practices to avoid damage.
Q: Does this set include any installed components?
A: No, this is a stripped set, providing a clean slate for your custom build without pre-installed parts like forward assists or dust covers.
Additional information
| Weight | 20 oz |
|---|---|
| Dimensions | 10 × 5.35 × 4.4 in |
| MPN | CM4-F-SET-TH |
| UPC | 29197 |
Compliance
NFA (National Firearms Act) compliance is crucial for legal ownership and transfer of regulated firearms and accessories like short-barreled rifles, suppressors, and certain types of ammunition, ensuring adherence to federal regulations to avoid legal penalties and ensure responsible firearm ownership.
