Understanding the AR-15 80 Percent Lower Jig: A Comprehensive Guide
When it comes to building your own AR-15 rifle, one of the most crucial components is the lower receiver. The 80 percent lower jig is a tool that has gained significant popularity among DIY gun enthusiasts. This guide will delve into the details of the AR-15 80 percent lower jig, its benefits, and how to use it effectively.
What is an AR-15 80 Percent Lower Jig?
An AR-15 80 percent lower jig is a specialized tool designed to assist in the manufacturing of an 80 percent lower receiver. This receiver is essentially a blank piece of metal that requires approximately 80 percent of the work to be completed before it can be legally classified as a firearm. The remaining 20 percent allows for customization and personalization, making it a favorite among gun enthusiasts.
Benefits of Using an AR-15 80 Percent Lower Jig
There are several advantages to using an AR-15 80 percent lower jig:
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Customization: The 80 percent lower receiver allows for a high degree of customization, as you can choose from various materials, finishes, and features.
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Cost-Effective: Building your own rifle can be more cost-effective than purchasing a pre-built firearm.
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Legal Advantages: The 80 percent lower receiver is legal in many states, as it requires additional work to be classified as a firearm.
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Learning Experience: Building your own rifle can be a rewarding and educational experience.
How to Use an AR-15 80 Percent Lower Jig
Using an AR-15 80 percent lower jig is a straightforward process. Here’s a step-by-step guide:
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Choose the Right Jig: There are various types of 80 percent lower jigs available, so select one that suits your needs and budget.
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Prepare Your Materials: Gather all the necessary materials, including the 80 percent lower receiver, drill bits, taps, and other tools.
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Secure the Receiver: Place the 80 percent lower receiver into the jig, ensuring it is properly aligned and secured.
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Drill and Tap Holes: Follow the manufacturer’s instructions to drill and tap the necessary holes for the trigger, magazine release, and other components.
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Finish the Receiver: Once the holes are drilled and tapped, finish the receiver by smoothing any rough edges and applying a coat of paint or finish.
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Assemble the Rifle: Install the trigger, magazine release, and other components to complete your custom AR-15 rifle.
Common Features of AR-15 80 Percent Lower Jigs
AR-15 80 percent lower jigs come in various designs and features. Here are some common features to consider:
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Material: Most jigs are made from aluminum or steel, providing durability and stability.
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Size: Ensure the jig is compatible with your specific 80 percent lower receiver.
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Adjustability: Some jigs offer adjustable features to accommodate different receiver sizes and shapes.
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Portability: Look for a jig that is easy to transport and store.
Top AR-15 80 Percent Lower Jigs on the Market
Here’s a table showcasing some of the top AR-15 80 percent lower jigs available:
| Model | Material | Adjustability | Price |
|---|---|---|---|
| DPMS 80 Percent Lower Jig | Aluminum | No | $100 |
| Rock River Arms 80 Percent Lower Jig | Steel | Yes | $150 |
DPMS 80 Percent Lower Jig with Stand
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