GUNTEC USA AR‑15 Upper Receiver Assembly Kit – GT‑URK (UPC 714569647858)

Upgrade your AR‑15 platform with the premium GUNTEC USA Upper Receiver Assembly Kit (GT‑URK). Engineered to meet Mil‑Spec standards, this complete upper receiver package delivers unmatched reliability, precision fit, and modular flexibility for tactical, competition, or recreational shooting applications.

Key Features & Benefits

• All‑in‑One Upper Assembly: Includes upper receiver, forward assist, dust cover, bolt carrier group, charging handle, and high‑quality handguards.
• Mil‑Spec 7075‑T6 Aluminum: Lightweight yet extremely durable construction for superior heat resistance and longevity.
• Enhanced Gas System: Precision‑machined gas key and gas block ensure reliable cycling under all conditions.
• Full Compatibility: Fits all standard AR‑15 lower receivers, M‑4 style handguards, and a wide range of barrel lengths.
• Ready for Customization: Pre‑drilled and tapped for optics, rail systems, and accessory mounts.
• Corrosion‑Resistant Finish: Hard‑coat anodized exterior protects against wear, rust, and environmental damage.
• Factory‑Accepted Tolerances: Guarantees a perfect fit with zero‑gap assembly for optimal performance.

Detailed Product Description

The GUNTEC USA GT‑URK Upper Receiver Assembly Kit is the ultimate solution for shooters who demand a seamless, plug‑and‑play upgrade without compromising on quality. Each component is CNC‑machined to exact specifications, providing a tight lock‑up between the bolt carrier group and the upper receiver. The integrated forward assist and dust cover are engineered for smooth operation, preventing debris ingress while maintaining a low profile.

Designed with the modern shooter in mind, the kit’s handguard features a modular rail system that accepts MIL‑STD‑1913 accessories, allowing you to attach lights, lasers, grips, and bipods with ease. The handguard’s open‑vent design promotes efficient heat dissipation during sustained fire, ensuring consistent accuracy.

Whether you are building a new AR‑15 from the ground up, performing a quick field swap, or customizing an existing build, the GUNTEC USA Upper Receiver Assembly Kit offers unparalleled ease of installation. All necessary hardware—including set screws, pins, and torque‑spec recommendations—is included, so you can have your rifle ready for action in minutes.

Compatibility & Installation

This kit is fully compatible with:

• Standard AR‑15 lower receivers (mil-spec and commercial)
• Direct‑Thread or AR‑15 style barrel extensions
• Various handguard styles (M‑4, RIS, free‑float)
• All common AR‑15 bolt carrier groups (full‑auto or semi‑auto)

Installation Tips: Follow the included torque chart for optimal headspace. Ensure the gas key is properly aligned before tightening. Use a torque wrench to achieve the recommended 4–6 in‑lb on the set screws to avoid over‑tightening.

Technical Specifications

Why Choose GUNTEC USA?

GUNTEC USA has a reputation for delivering top‑tier firearms components that meet rigorous military standards while remaining accessible to civilian shooters. When you select the GT‑URK Upper Receiver Assembly Kit, you invest in a product backed by decades of engineering expertise, extensive field testing, and a commitment to customer satisfaction.

Elevate your shooting experience—choose the GUNTEC USA AR‑15 Upper Receiver Assembly Kit and build a rifle that performs flawlessly from the first shot to the thousandth.

Ready to upgrade? Add the GT‑URK kit to your cart and start building today.

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