Ar-15 Lowers to Avoid: A Comprehensive Guide
When it comes to building your own firearm, the AR-15 lower receiver is often the centerpiece. It’s the part that holds the magazine, bolt, and trigger group, making it a crucial component. But with so many options out there, how do you choose the right one? This guide will delve into the various aspects of AR-15 lowers to help you make an informed decision.
Material Options
The material of your AR-15 lower receiver can significantly impact its weight, durability, and feel. Here are the most common materials:
| Material | Weight | Durability | Cost |
|---|---|---|---|
| Aluminum | Lightweight | High | Medium |
| Steel | Heavier | Very High | High |
| Carbon Fiber | Extremely Lightweight | High | High |
Aluminum is the most common material due to its balance of weight and durability. Steel is more durable but heavier, while carbon fiber offers the lightest option but at a higher cost.
Finish Options
The finish of your AR-15 lower receiver can affect its appearance, feel, and resistance to wear. Here are the most common finishes:
- Blued: The most common finish, offering a traditional look and good corrosion resistance.
- Black Anodized: A durable finish that provides a sleek, matte black appearance.
- Hardcoat Anodized: A thicker finish that offers increased durability and resistance to wear.
- Cerakote: A ceramic-based finish that is highly durable and available in a wide variety of colors.
Black anodized and hardcoat anodized finishes are popular for their durability and sleek appearance. Cerakote is a great choice if you want a unique color or increased corrosion resistance.
Fit and Finish
The fit and finish of your AR-15 lower receiver are crucial for ensuring a reliable firearm. Here are some key factors to consider:
- Fit: The receiver should fit snugly in the upper receiver, with no gaps or play. This ensures that the firearm operates smoothly and reliably.
- Finish: The finish should be even and consistent, with no chips, scratches, or other defects.
- Machining: The receiver should be well-machined, with clean edges and no burrs.
When purchasing a lower receiver, it’s important to inspect it for fit, finish, and machining. A high-quality receiver will ensure a reliable firearm.
Legal Considerations
When building an AR-15, it’s important to be aware of the legal requirements. Here are some key points to consider:
- Compliance: Ensure that your lower receiver complies with all federal, state, and local laws.
- Registration: Some jurisdictions require registration of homemade firearms. Check your local laws to ensure compliance.
- Background Checks: If you’re purchasing a lower receiver from a licensed dealer, you may be subject to a background check.
It’s important to stay informed about the legal requirements for building and owning an AR-15 to avoid any legal issues.
Conclusion
Choosing the right AR-15 lower receiver is an important step in building your own firearm. By considering the material, finish, fit, and legal requirements, you can make an informed decision that ensures a reliable and legal firearm. Remember to inspect your lower receiver for quality and compliance before purchasing, and stay informed about the legal requirements for building and owning an AR-15.
