Colt M16 Parts Kit 727 14.5″ (C) MP Barrel A2 Upper Commando Retro XM4

March 19, 2025

Colt M16 Parts Kit 727 14.5″ (C) MP Barrel A2 Upper Commando Retro XM4

The Colt M16 Parts Kit 727 is a prized collection for firearm enthusiasts, collectors, and builders who appreciate the blend of historical significance and practical performance. Featuring a 14.5″ (C) MP Barrel and an A2 Upper, this parts kit assembles a retro XM4 Commando, a configuration that evokes the legacy of the early special operations M16 variants. This blog post will delve into the components, features, and allure of the Colt M16 Parts Kit 727, exploring why it remains a favorite among those looking to recreate a classic piece of firearm history.

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The Historical Significance of the Colt M16 Model 727

The Colt M16 Model 727, known as the XM4, is a precursor to the modern M4 carbine. Developed in the 1980s, it was designed to provide special operations forces with a compact, versatile, and reliable weapon. The 727 configuration combined the durability and accuracy of the M16 with the maneuverability of a carbine, making it ideal for various combat scenarios.

Components of the Colt M16 Parts Kit 727

14.5″ (C) MP Barrel:
- Optimal Length: The 14.5″ barrel balances accuracy and maneuverability, making it suitable for close-quarters and mid-range engagements.
- Chrome-Lined: The (C) designation indicates a chrome-lined bore and chamber, which enhances durability and corrosion resistance.
- Magnetic Particle Inspected (MP): The marking signifies that the barrel has undergone magnetic particle inspection to detect potential flaws, ensuring high quality and reliability.
A2 Upper Receiver:
- Classic Design: The A2 upper receiver features a fixed carry handle with integrated iron sights, staying true to the original design of the M16A2. This provides a robust and reliable aiming system.
- Durability: Constructed from high-grade aluminum, the A2 upper is built to withstand rigorous use while maintaining structural integrity.
Commando Configuration:
- Compact and Versatile: The Model 727’s Commando configuration includes a shorter barrel and collapsible stock, making it more compact and easier to maneuver in tight spaces than full-length rifles.
- Historical Authenticity: This parts kit allows builders to recreate the iconic look and feel of the XM4 Commando, a weapon that played a pivotal role in the evolution of modern carbines.

Features and Benefits

Historical Accuracy:
- For collectors and reenactors, the Colt M16 Parts Kit 727 offers an opportunity to build a historically accurate replica of the XM4 Commando. This authenticity is highly valued by those who appreciate the legacy of early M16 variants.
Versatile Performance:
- Combining the 14.5″ barrel and A2 upper receiver ensures versatile performance. The carbine length provides better handling in confined environments while retaining effective range and accuracy.
High-Quality Components:
- Each part in the kit is manufactured to meet or exceed military specifications, ensuring reliability and longevity. The chrome-lined, MP-inspected barrel and durable upper receiver are testaments to Colt’s reputation for quality.

Building and Maintaining the XM4 Commando

Assembly:
- Building an XM4 Commando from the Colt M16 Parts Kit 727 requires a basic understanding of firearm assembly and proper tools. Detailed assembly guides and manuals can assist builders in correctly fitting and securing each component.
Maintenance:
- Regular maintenance is essential to keep the XM4 Commando in optimal condition. This includes cleaning the barrel, checking the upper receiver, and ensuring all moving parts are lubricated and functioning correctly.
Legal Considerations:
- Builders must know local, state, and federal firearm assembly and ownership laws. In some jurisdictions, the assembly of certain configurations may require specific permits or modifications to comply with regulations.

Conclusion

The Colt M16 Parts Kit 727 offers a unique opportunity to recreate the iconic XM4 Commando, a weapon that has left a lasting impact on the development of modern carbines. With its 14.5″ (C) MP Barrel, A2 Upper, and historical authenticity, this parts kit is a testament to Colt’s legacy of quality and innovation. Whether for collection, reenactment, or practical use, the Colt M16 Parts Kit 727 allows enthusiasts to own a piece of firearm history and experience the enduring legacy of the M16 platform.

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