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How to build an ar-15

Building an AR-15 can be a rewarding project, allowing for deep customization and personalization of your firearm. Whether you're assembling an upper or lower receiver, the process involves selecting specific parts and using the right tools to assemble them. The guides provided on Pew Pew Tactical offer detailed steps, photos, and tips for both upper and lower receiver assembly. Here's a brief overview of the process for both:

Upper Receiver:

1. Start with the stripped upper receiver.
2. Install the barrel and secure it with the barrel nut.
3. Attach the gas block and gas tube.
4. Install the handguard.
5. Attach the muzzle device.
6. Install the bolt carrier group and charging handle.

Lower Receiver:

1. Begin with the stripped lower receiver.
2. Install the trigger assembly.
3. Insert the safety selector and pistol grip.
4. Attach the buffer tube, buffer, and buffer spring.
5. Install the stock.
6. Assemble the magazine catch and bolt catch.

For those new to building AR-15s, it might be more practical to start with a complete upper receiver assembly or a complete rifle to ensure compatibility and function.