Colt’s 14.5″ Complete Upper Receiver 5.56 NATO – Precision & Performance

Overview

When it comes to high-performance firearm components, Colt’s 14.5″ Complete Upper Receiver stands out as a top-tier choice. Designed for durability and reliability, this complete upper assembly is ideal for military, law enforcement, and firearm enthusiasts who demand superior quality. Featuring a 14.5-inch M4 profile chrome-lined barrel, A2 flash hider, M16 bolt carrier group, and Magpul BUIS folding rear sight, this assembly ensures exceptional accuracy and longevity. Whether you’re upgrading your rifle or building a new one, the Colt’s 14.5″ Complete Upper Receiver is engineered for peak performance in every condition.

Features & Specifications

• Manufacturer: Colt’s Manufacturing
• Model: LE6921CK
• Caliber: 5.56x45mm NATO
• Barrel Length: 14.5 inches
• Barrel Twist: 1/7 RH
• Barrel Type: M4 Profile
• Barrel Material: Chrome Moly Vanadium
• Muzzle Thread: 1/2×28
• Flash Hider: A2 Flash Hider
• Receiver Type: A3 Flat Top
• Finish: Black anodized and parkerized

Unparalleled Durability & Performance

Precision Barrel Construction

The Colt’s 14.5″ Complete Upper Receiver features a chrome-lined M4 profile barrel, ensuring exceptional resistance against corrosion and wear. The chrome moly vanadium steel construction enhances longevity, making it a reliable choice for tactical and range applications. Its 1/7 RH twist rate stabilizes a wide variety of bullet weights, ensuring consistent accuracy and performance.

A2 Flash Hider & Muzzle Threading

Equipped with an A2 flash hider, this upper receiver significantly reduces muzzle flash, improving visibility and control during low-light operations. The 1/2×28 threaded muzzle allows seamless compatibility with suppressors and muzzle devices for enhanced customization.

Fully Assembled & Ready to Use

The Colt’s 14.5″ Complete Upper Receiver comes fully assembled with an M16 bolt carrier group and charging handle, making it a plug-and-play solution for your rifle. This complete package eliminates the hassle of sourcing individual components, ensuring seamless integration with lower receivers.

A3 Flat Top Receiver for Versatile Optics

The A3 flat-top receiver provides a solid foundation for mounting a variety of optics, including red dot sights, scopes, and night vision devices. The inclusion of a Magpul BUIS folding rear sight allows for immediate out-of-the-box usability, ensuring quick target acquisition in dynamic shooting scenarios.

Tactical-Ready Performance

Designed to meet the rigorous demands of professionals, the Colt’s 14.5″ Complete Upper Receiver delivers unparalleled tactical readiness. Whether in military engagements, law enforcement duties, or self-defense applications, this upper receiver guarantees reliability under extreme conditions.

Why Choose Colt’s 14.5″ Complete Upper Receiver?

1. Military-Grade Quality: Manufactured by Colt, a trusted name in the firearm industry.
2. Enhanced Durability: Chrome-lined barrel resists wear, extending service life.
3. Optimized Accuracy: 1/7 RH twist rate ensures superior stabilization of various bullet types.
4. Complete Package: Includes bolt carrier group, charging handle, and backup sights.
5. Customization Ready: A3 flat-top receiver supports a wide range of optics and accessories.
6. Trusted by Professionals: Ideal for military, law enforcement, and civilian use.

Installation & Compatibility

The Colt’s 14.5″ Complete Upper Receiver is designed for seamless compatibility with standard AR-15 lower receivers. Installation is straightforward, requiring minimal tools and expertise. Whether you’re a seasoned gunsmith or a first-time builder, integrating this upper receiver into your firearm setup is a hassle-free process.

Maintenance & Care

To ensure optimal performance and longevity, follow these maintenance tips:

• Regular Cleaning: Clean the barrel and bolt carrier group after every use to prevent carbon buildup.
• Lubrication: Apply high-quality firearm lubricant to the bolt carrier group for smooth operation.
• Storage: Store in a cool, dry place to prevent rust and corrosion.
• Inspection: Periodically check for wear and replace worn-out components as needed.

Frequently Asked Questions (FAQs)

1. Is the Colt’s 14.5″ Complete Upper Receiver legal for civilian use?

Yes, but NFA regulations apply due to the barrel length being under 16 inches. A tax stamp is required unless used with a permanently pinned and welded muzzle device to meet the 16-inch minimum.

2. Does this upper receiver come with a bolt carrier group and charging handle?

Yes, the Colt’s 14.5″ Complete Upper Receiver includes a fully assembled M16 bolt carrier group and charging handle for immediate use.

3. Can I install a suppressor on this upper receiver?

Yes, the 1/2×28 threaded muzzle allows easy attachment of suppressors and other muzzle devices.

4. What is the weight of this complete upper receiver?

The weight varies slightly depending on the configuration, but it remains lightweight and well-balanced for improved maneuverability.

5. What type of ammunition is recommended?

This upper receiver is chambered for 5.56 NATO but is also compatible with .223 Remington ammunition.

Final Thoughts

The Colt’s 14.5″ Complete Upper Receiver is an exceptional choice for anyone looking to upgrade or build a high-quality AR-15. With a chrome-lined M4 profile barrel, A2 flash hider, and Magpul BUIS folding rear sight, this upper receiver is built for performance, durability, and precision. Whether you’re a professional operator or a firearm enthusiast, this is the ultimate addition to your arsenal.