AR-15 Kit: Everything Except the Lower Receiver

Building your own AR-15 can be a highly rewarding and personalized experience. An AR-15 kit that includes everything except the lower receiver allows you to assemble a customized rifle without the complexities associated with purchasing or manufacturing the serialized lower receiver. In this guide, we’ll break down what an AR-15 kit typically includes, why you might choose this route, and showcase some of the best kits available on the market.

What is an AR-15 Kit?

An AR-15 kit is a collection of parts necessary to build a complete AR-15 rifle, excluding the lower receiver, which is the legally defined firearm component. This approach allows builders to legally acquire the upper receiver, barrel, handguard, and other key components without the need to handle the serialized lower receiver.

Key Components of an AR-15 Kit

When you purchase an AR-15 kit that excludes the lower receiver, you can expect the following components:

1. Upper Receiver: The part that houses the bolt carrier group (BCG) and connects to the barrel.
2. Barrel: Available in various lengths and profiles; the barrel influences the rifle’s performance and intended use.
3. Handguard: Protects the user’s hands from heat and provides mounting points for accessories such as grips and sights.
4. Bolt Carrier Group (BCG): A vital component that facilitates the cycling of the rifle action.
5. Charging Handle: Allows the shooter to cycle the action and load ammunition into the chamber.
6. Muzzle Device: Includes flash suppressors or compensators to manage recoil and muzzle rise.
7. Gas Block and Gas Tube: Necessary for the gas system, which cycles the rifle’s action.

Benefits of Purchasing an AR-15 Kit

1. Customization

An AR-15 kit allows you to build a rifle that suits your specific preferences. You can choose the barrel length, handguard style, and other components to create a firearm that meets your shooting needs.

2. Cost-Effectiveness

Purchasing a kit can often be more economical than buying each component separately or investing in a pre-assembled rifle. Kits frequently come with high-quality parts at a better value.

3. Learning Experience

Assembling your own AR-15 provides invaluable experience and knowledge about how the rifle operates, enhancing your shooting skills and understanding of firearms.

4. Quality Control

By selecting quality components within the kit, you can ensure that your finished AR-15 rifle is built to a high standard of performance and reliability.

Top AR-15 Kits (Excluding Lower Receiver)

1. Palmetto State Armory AR-15 Complete Upper Kit

• Price: Approximately $499
• Included Parts: This kit includes an upper receiver, a 16-inch barrel, a handguard, a charging handle, and a bolt carrier group.
• Why It’s Great: Palmetto State Armory is known for its quality and affordability, making it a great option for builders on a budget.

2. Bravo Company Manufacturing (BCM) AR-15 Upper Kit

• Price: Approximately $699
• Included Parts: Comes with a premium upper receiver, 16-inch or 14.5-inch barrel, handguard, and all necessary internal components.
• Why It’s Great: BCM’s reliability and performance reputation make this kit a favorite among serious shooters.

3. Radical Firearms AR-15 Upper Kit

• Price: Approximately $499
• Included Parts: This kit includes a complete upper receiver assembly, a 16-inch barrel, handguard, and BCG.
• Why It’s Great: Radical Firearms offers a solid, budget-friendly upper kit without compromising on quality.

4. Aero Precision AR-15 Builder Set (Upper Only)

• Price: Approximately $599
• Included Parts: This kit features an Aero Precision upper receiver, a 20-inch barrel, and a handguard system.
• Why It’s Great: Known for precision and high-quality manufacturing, Aero Precision provides an excellent, reliable option for builders.

5. Spikes Tactical AR-15 Upper Kit

• Price: Approximately $675
• Included Parts: Complete upper assembly with a specially designed handguard, barrel, and BCG.
• Why It’s Great: Spikes Tactical is well-respected for quality and performance, offering products that cater to tactical and competitive shooting needs.

Conclusion

An AR-15 kit that includes everything except the lower receiver is an excellent option for those looking to assemble their own firearm while customizing its features. With various kits available on the market, such as those from