Elevate your AR-15 build with the NBS Premium Series 14.5″ 5.56 NATO Upper Assembly featuring the CMT UHPR Mod 2 HDX handguard. Designed for tactical enthusiasts and precision shooters, this complete upper delivers exceptional reliability, accuracy, and modularity in a compact package. Whether you’re outfitting a duty rifle or enhancing your personal defense setup, this assembly combines premium components for superior performance without the bulk.
Key Features
- High-Quality Barrel Construction: 14.5-inch 5.56 NATO barrel with Nitride/Melonite finish for enhanced corrosion resistance and smoother operation, reducing wear during extended use.
- Advanced Handguard System: Equipped with the Cross Machine Tool (CMT) UHPR Mod 2 HDX free-float handguard, featuring M-LOK slots on all sides for versatile accessory mounting, anti-rotation tabs for secure fit, and integrated QD sling points for quick attachment.
- Optimized Gas System: Mid-length gas system paired with a Government/SOCOM profile barrel to balance recoil management and reliability, ideal for suppressed or unsuppressed configurations.
- Modular Design: Built on a mil-spec upper receiver compatible with standard AR-15 lowers, allowing seamless integration into your existing platform.
Technical Specifications
- Barrel Length: 14.5 inches
- Caliber: 5.56 NATO
- Barrel Finish: Nitride/Melonite
- Barrel Profile: Government/SOCOM
- Gas System: Mid-length
- Twist Rate: 1:7
- Handguard Length: Optimized for 14.5-inch barrel
- Inner Handguard Diameter: 1.315 inches
- Weight: 64 ounces
- Dimensions: 23.5 inches long x 5 inches wide x 5 inches high
- BCG/Charging Handle: Not included – customize with your preferred components
Why Choose This Upper Assembly?
This NBS Premium Series upper addresses common challenges in AR-15 builds, such as balancing maneuverability with effective range. The 14.5-inch barrel provides the velocity needed for 5.56 NATO rounds out to 500 yards while keeping the overall length compact for close-quarters handling. The CMT UHPR Mod 2 HDX handguard offers lightweight strength with 17-4PH stainless steel mounting for rock-solid accessory retention, eliminating wobble and ensuring consistent shot placement. Users appreciate its durability in demanding environments, from range days to tactical training, making it a smart investment for reliability without compromise.
Ready to upgrade? Integrate this premium upper into your AR-15 for unmatched precision and versatility – build the rifle that meets your exact needs today.
Frequently Asked Questions
Q: Is the BCG and charging handle included?A: No, the BCG and charging handle are not included, allowing you to select components that best suit your build preferences.
Q: What accessories can I mount on the handguard?A: The CMT UHPR Mod 2 HDX features M-LOK slots on all flat sides, compatible with lights, grips, lasers, and other standard M-LOK accessories for full customization.
Q: Is this upper compatible with my existing AR-15 lower?A: Yes, it’s built to mil-spec standards, ensuring drop-in compatibility with most standard AR-15 lower receivers.
About the Brand
