The AR-15 platform's modularity is a significant part of its appeal. For builders and enthusiasts, understanding the components and selecting high-quality parts is crucial. This guide focuses on the A2 upper parts kit, a fundamental component in assembling or upgrading your AR-15. We'll delve into its features, benefits, and considerations for choosing the right kit for your needs.
What is an A2 Upper Parts Kit?
An A2 upper parts kit contains the essential components needed to complete the upper receiver of a standard AR-15 rifle. The "A2" designation refers to the style of the front sight post – a prominent, post-style front sight with a protective hood, characteristic of the M16A2 rifle. These kits typically include:
- Forward Assist: A lever used to assist in chambering a round if it fails to fully seat.
- Ejection Port Cover: Protects the ejection port from debris.
- Charging Handle: The handle used to manually cycle the bolt carrier group.
- A2 Front Sight Post: The iconic post-style front sight with a protective hood.
- Dust Cover: A small cover that fits over the ejection port when the weapon is not in use.
Why Choose an A2 Upper Parts Kit?
The A2 configuration offers several advantages:
- Classic Look and Feel: The A2 upper receiver maintains a classic AR-15 aesthetic, appealing to many enthusiasts.
- Robust Front Sight: The A2 front sight post is known for its durability and reliability, providing a sturdy aiming point.
- Ease of Use: The components are straightforward to install and are compatible with most standard AR-15 uppers.
- Cost-Effectiveness: A2 upper parts kits are generally more affordable than kits featuring more modern or specialized components.
Considerations When Choosing an A2 Upper Parts Kit
While the basic components are standard, several factors influence the quality and performance of an A2 upper parts kit:
- Material: Look for kits made from high-quality materials like steel or aluminum, ensuring durability and longevity. Cheap materials can lead to premature wear and failure.
- Manufacturer Reputation: Choosing a reputable manufacturer ensures that the parts are manufactured to precise tolerances and meet quality standards. Researching brands and reading reviews is essential.
- Finish: The finish protects against corrosion and wear. Consider kits with finishes like hard-coat anodizing or parkerizing for superior protection.
- Compatibility: Ensure the kit is compatible with your specific upper receiver. Most A2 kits are compatible with standard Mil-Spec uppers, but double-checking is always recommended.
Assembling Your AR-15 with an A2 Upper Parts Kit
While assembling an AR-15 requires careful attention to detail and adherence to safety precautions, installing an A2 upper parts kit is generally straightforward. Numerous online resources, including videos and tutorials, provide step-by-step instructions. Always prioritize safety and consult reliable sources if unsure about any step in the process. Improper assembly can lead to malfunctions and potential safety hazards.
Beyond the Basics: Upgrading Your A2 Setup
While an A2 upper parts kit provides a solid foundation, you can enhance your AR-15 with upgrades:
- Enhanced Charging Handles: Ambidextrous charging handles improve usability for both left and right-handed shooters.
- Improved Front Sight Posts: Consider upgrading to a tritium-illuminated front sight for low-light visibility.
- Gas Block and Tube: While not typically included in the kit, consider the quality of the gas block and tube for optimal gas system function.
Conclusion: Making the Right Choice
Selecting the right A2 upper parts kit is a critical step in building or upgrading your AR-15. By considering the factors discussed above – material quality, manufacturer reputation, and compatibility – you can ensure that your build is reliable and performs as expected. Remember, proper assembly and safety are paramount, and seeking guidance from experienced builders or reputable resources is always advisable. Enjoy the build process!
