Understanding the Colt Upper Receiver Stripped
The Core Component
The AR-15 platform, a design that’s revolutionized the firearms world, stands as a testament to modularity and adaptability. Its widespread popularity stems not only from its performance but also from its incredible versatility. One of the most accessible avenues into AR-15 ownership, customization, and improvement involves the stripped upper receiver. For those seeking to build, upgrade, or simply understand this core component, this guide provides a comprehensive overview of the Colt upper receiver, its attributes, and its role in the AR-15 universe.
What Defines a Stripped Upper?
At its heart, the stripped upper receiver represents the backbone of the AR-15’s upper assembly. When referring to a “stripped” version, we’re talking about the main housing – the portion of the rifle that houses the bolt carrier group and barrel, but it’s devoid of internal components. This means you’ll receive only the receiver itself, typically made from forged aluminum, along with any factory-installed components such as the forward assist and dust cover. You will not find the barrel, bolt carrier group (BCG), charging handle, or handguard included in a stripped configuration. This bare-bones approach offers a starting point for those looking to customize their rifles from the ground up or simply replace a damaged upper.
Colt’s Legacy
Colt, a name synonymous with the AR-15, has a long and storied history with the platform. Their commitment to quality and consistency makes a Colt upper receiver a desirable starting point for any AR-15 build. The receiver itself is crafted to exacting specifications, often featuring a Mil-Spec design ensuring compatibility with other high-quality parts. The use of forged aluminum results in a robust and durable receiver capable of withstanding the stresses of repeated firing.
Function of the Receiver
The upper receiver serves as the primary structural foundation for the barrel and bolt carrier group. It houses the gas system, where the expanding gases from fired ammunition are channeled to cycle the action, chambering a fresh round. It interfaces with the lower receiver, which contains the trigger group, magazine well, and stock. Understanding the role of the stripped Colt upper receiver is critical for anyone interested in AR-15 customization.
The Allure of the Stripped Colt Upper Receiver: Exploring the Advantages
Customization Options
Why choose a stripped Colt upper receiver? The answer lies in the freedom it grants the builder. There are several key benefits that make this option attractive to a wide range of firearm enthusiasts:
Perhaps the most compelling advantage is the unparalleled level of customization. By starting with a stripped receiver, you have complete control over every aspect of the build. You can select a barrel length, profile, and material that suits your specific needs, whether you’re building a compact pistol, a precision rifle, or something in between. You can then choose a handguard with the features you desire, such as M-LOK or Picatinny rails, and mounting options for accessories like lights and lasers. You’re not limited to pre-configured options; you can tailor the rifle to your exact specifications.
Financial Advantages
While a complete factory-built upper receiver may seem simpler upfront, the stripped route can be cost-effective, especially when acquiring parts strategically. You can often source high-quality components at competitive prices. Building in stages, purchasing parts as budget allows, is a good way to work within your financial limitations, while you ensure that the quality remains high.
The Joy of Building
For many, the process of building an AR-15 is a rewarding experience. It’s a chance to learn about the inner workings of the rifle, to understand how each component functions, and to develop a deeper appreciation for the engineering involved. Assembling your own upper receiver fosters a hands-on understanding of your firearm and a sense of pride in ownership.
Building for a Purpose
A stripped upper receiver allows you to build an AR-15 specifically for a particular purpose. Perhaps you need a rifle for long-range shooting, in which case you’d choose a heavy-profile barrel, a free-floating handguard, and a high-quality optic. Maybe you’re looking for a lightweight, maneuverable home defense weapon. In that case, you could build a shorter-barreled rifle or pistol. The possibilities are virtually limitless.
Replacement and Upgrades
If your current upper receiver is damaged or worn, a stripped Colt upper receiver offers a straightforward replacement option. The components can be transferred over, saving time and money. Similarly, if you are looking to significantly upgrade the performance of an existing rifle, using a new stripped Colt upper allows for a simple, drop-in upgrade path. It also can be used to upgrade to newer and improved designs, such as different handguard mounting systems or gas block options.
Before You Begin: Important Considerations for the Stripped Colt Upper Receiver
Ensuring Compatibility
Before you dive into acquiring a stripped Colt upper receiver and assembling the rest of the parts, several critical factors must be addressed. Understanding these points can help ensure a successful and safe build:The AR-15 platform is known for its modularity, but not all components are perfectly compatible. Ensure that the barrel, gas block, handguard, and other components you select are compatible with the Colt upper receiver’s specifications. For instance, a barrel that is not the correct dimension or thread pitch will not work. Researching compatibility is the best way to prevent wasted time and expense.
Legal Compliance
Familiarize yourself with the local, state, and federal laws regarding firearm ownership and building in your area. Some jurisdictions may have specific regulations regarding barrel lengths, magazine capacity, or other features. Ignoring these regulations can lead to serious legal consequences.
Necessary Skills
Building an AR-15 upper receiver requires a set of specialized tools, including a barrel nut wrench, a torque wrench, and an upper receiver action block. You’ll also need a good set of gunsmithing screwdrivers and punches. Basic mechanical skills are necessary, such as the ability to tighten screws and understand how the parts fit together. Watch videos, read articles, and do your research to ensure you’re comfortable with the process before you begin.
Selecting the Right Components
You’ll need to choose a barrel, bolt carrier group (BCG), charging handle, handguard, gas block, gas tube, and other components to complete your upper receiver. The barrel is arguably the most important part for accuracy, so carefully select a barrel that suits your intended use. The BCG must be of high quality to ensure reliable function.
Purchasing from Reputable Sources
Always purchase your stripped Colt upper receiver and other parts from reputable retailers. Counterfeit parts can be dangerous and unreliable. Purchasing from a trusted source will give you peace of mind that you’re getting a genuine Colt product built to the highest standards.
Finding Your Colt Upper Receiver: A Guide to Sourcing
Retailers You Can Trust
Where do you find a genuine stripped Colt upper receiver? Here are some options:Several established firearms retailers specialize in AR-15 parts and accessories. These retailers typically carry a variety of Colt upper receivers and other necessary components. Shop around and compare prices, but always prioritize purchasing from a retailer with a solid reputation for customer service and product quality.
Online Marketplaces and Cautions
Online marketplaces such as GunBroker can sometimes be a source for stripped Colt upper receivers. However, exercise extreme caution. Verify the seller’s feedback rating and ask for detailed photos of the product before making a purchase. Ensure that the seller is reputable, and you understand the return policy.
Avoiding Risks
Be wary of suspiciously low prices or sellers with limited feedback. If something seems too good to be true, it probably is. Scammers sometimes offer counterfeit parts or sell parts that are damaged or do not function. Thoroughly research the seller before sending any payment.
Understanding Market Prices
The price of a stripped Colt upper receiver can fluctuate depending on availability, the retailer, and the specific model. Be prepared to pay a reasonable price for a high-quality product. Researching current market prices will give you a general idea of what to expect.
Building Your Dream: A Simplified Overview
Barrel Installation
Building an AR-15 upper receiver is an engaging project, and it doesn’t have to be as intimidating as it may seem. Here’s a simplified overview of the main steps:The first step is to install the barrel. Carefully insert the barrel into the upper receiver and install the barrel nut. Tighten the barrel nut to the manufacturer’s recommended torque specification, using the appropriate wrench.
Handguard Setup
This typically involves attaching the handguard to the upper receiver. Different handguard systems require different installation methods. Follow the manufacturer’s instructions for your chosen handguard, but ensure that the handguard is securely attached and aligned with the upper receiver.
Integrating the Gas System
The gas block is slid onto the barrel and properly positioned. This is the point at which you may need to align the gas port with the barrel. The gas tube is inserted into the gas block and runs back to the upper receiver.
Completing the Build
Once those components are installed, assemble the bolt carrier group, and install the charging handle.
Safety First
Always prioritize safety when working with firearms. Make sure the firearm is unloaded before starting any work.
Maintaining and Caring for Your Investment
Cleaning Routine
Regular maintenance is essential to ensure the reliability and longevity of your AR-15 upper receiver:Clean the upper receiver after each shooting session, or at least periodically. Use a quality gun cleaner to remove carbon buildup and other debris.
Regular Inspections
Inspect your upper receiver for any signs of wear and tear. Check for cracks, dents, or other damage. Replace any components that are worn or damaged.
Troubleshooting Common Issues
Watch for common issues like failure to feed or eject rounds. These problems can often be resolved by cleaning, lubricating, or replacing components.
Storage Solutions
When not in use, store your AR-15 upper receiver in a secure location, away from children and unauthorized individuals. Store the upper in a case or gun safe.
Conclusion: The Power of Customization
Choosing a stripped Colt upper receiver opens a world of possibilities for AR-15 enthusiasts. From customized builds to straightforward repairs, you can craft your rifle to meet your needs. By starting with a stripped upper, you are giving yourself options for your future AR-15 builds. By learning more about the platform, you will be able to use these versatile and effective firearms for years to come.
*Disclaimer: This article provides informational guidance only and does not constitute professional advice. Always adhere to local, state, and federal laws and regulations regarding firearm ownership and modification.*
