GUNTEC USA AR10 Upper Receiver Parts Kit GT‑URK‑308 (UPC 714569648817)
Upgrade your AR‑10 platform with the GUNTEC USA AR10 Upper Receiver Parts Kit GT‑URK‑308. Engineered for reliability, precision, and ease of assembly, this comprehensive kit contains every essential component you need to build or enhance a high‑performance 7.62×51mm NATO (308) upper receiver. Whether you’re a seasoned gunsmith or a first‑time builder, the GT‑URK‑308 delivers unmatched quality and value.
Key Features & Benefits
- Complete Upper Receiver Solution: Includes barrel extension, forward assist, charging handle, bolt catch, safety selector, and more – all machined to GUNTEC’s exacting standards.
- Precision‑Machined 308‑Caliber Components: Designed specifically for the .308 Winchester/7.62×51mm NATO cartridge, ensuring optimal headspace and consistent performance.
- Durable Materials: High‑grade 4150 steel and 7075‑T6 aluminum provide superior strength while maintaining a lightweight profile.
- Enhanced Ergonomics: Ambidextrous safety selector and charging handle allow smooth operation for both right‑ and left‑handed shooters.
- Ready for Customization: Compatible with a wide range of GUNTEC and third‑party handguards, rail systems, and optics mounts.
- Corrosion‑Resistant Finish: Phosphate coating and hard‑coat anodizing protect against harsh environments and extend service life.
- Factory‑Level Tolerances: Tight tolerances reduce the need for extensive fitting, saving you time on the range.
What's Inside the GT‑URK‑308 Kit?
- Upper receiver (7075‑T6 aluminum) – pre‑drilled for standard AR‑10 rail attachments.
- Barrel extension (4150 steel) – compatible with 16‑in to 20‑in 308 barrels.
- Forward assist (steel) – ensures reliable bolt lock‑up.
- Charging handle (aluminum) – ambidextrous design with a low‑profile knob.
- Safety selector (aluminum) – dual‑position safety for safe handling.
- Bolt catch (steel) – quick and secure bolt lock‑up.
- Gas key (steel) – optimized for 308 gas pressures.
- Extractors (steel) – hardened for long‑term durability.
- Spring kits (buffer, recoil, and bolt carrier group springs) – calibrated for smooth cycling.
- Installation hardware (pins, screws, and anti‑rotation pins) – stainless steel, pre‑treated for corrosion resistance.
Why Choose GUNTEC USA?
GUNTEC USA is a trusted name in firearms components, known for delivering premium parts that meet or exceed industry specifications. The GT‑URK‑308 kit reflects the brand’s commitment to quality, performance, and customer satisfaction. When you select this kit, you benefit from:
- Rigorous testing in both laboratory and field environments.
- Lifetime technical support from experienced firearms engineers.
- Fast, reliable shipping with comprehensive packaging to protect components.
Installation & Compatibility
The GT‑URK‑308 upper receiver parts kit is designed for straightforward installation. All parts are supplied with detailed instructions and are fully compatible with standard AR‑10 lower receivers, as well as GUNTEC’s own lower kits. For best results:
- Verify that your lower receiver is rated for 308 caliber.
- Follow the step‑by‑step assembly guide included in the package.
- Torque all fasteners to the manufacturer‑specified values.
- Perform a function check before attaching a barrel and finalizing the build.
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Customer Reviews
"The GT‑URK‑308 kit made my build painless – all parts fit perfectly and the finish looks great. Highly recommend for anyone looking to upgrade their AR‑10." – John D., Professional Marksman
"I love the ambidextrous controls and the rugged construction. GUNTEC never disappoints!" – Emily S., Tactical Shooter
Technical Specifications
| Specification | Detail |
|---|
| Model | GT‑URK‑308 |
| UPC | 714569648817 |
| Caliber Compatibility | 7.62×51mm NATO / .308 Winchester |
| Material (Upper Receiver) | 7075‑T6 Aluminum |
| Material (Barrel Extension & Small Parts) | 4150 Steel (phosphate‑coated) |
| Finish | Hard‑coat anodized (receiver) / Phosphate (steel) |
| Weight (complete kit) | ~1.75 lbs (0.79 kg) – excludes barrel |
| Compatibility | Standard AR‑10 lower receivers, GUNTEC lower kits, and most aftermarket AR‑10 lowers |
Enhance the reliability, accuracy, and handling of your AR‑10 platform today with the GUNTEC USA AR10 Upper Receiver Parts Kit GT‑URK‑308. Order now and experience the difference of premium‑grade components built for the demanding shooter.
Note: This kit does not include a barrel, bolt carrier group, or lower receiver. Ensure you have compatible components before assembly.
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