Step by step AR15 lower receiver assembly with no special tools

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here is a step by step instructional video on how to assemble a AR15 lower receiver without the need of any special tools. all you need is a hammer.

In this video, we demonstrates how to assemble an AR-15 lower receiver without using specialized tools, relying mainly on basic equipment like a hammer and a magnet bowl. Here’s a breakdown of the key steps:

Magazine Release: The magazine release is assembled by threading the button and spring into place on the side of the lower receiver.

Bolt Catch and Bolt Release: The reviewer installs the bolt catch, making sure to use the correct straight spring for this part. A punch pin is used to secure it into place, with the option of using tape to prevent marring the receiver.

Pivot Pin and Detent Springs: Installing the pivot pin requires careful handling of tiny detent springs, which can easily spring out. The reviewer suggests positioning the receiver against a wall to avoid losing parts and shows how to line up the pivot pin for secure placement.

Trigger Group Installation: The trigger group is installed, starting with the trigger spring and sear. The hammer is then added, ensuring the spring is properly positioned and the trigger pin is locked in.

Grip and Safety Selector: The safety selector is installed by locking the hammer back to create space for it to fit. The pistol grip is attached, and the safety detent spring is aligned before securing the grip.

Stock Installation: The castle nut, end plate, and telescoping buffer tube are attached, followed by the rear pivot pin detent. The buffer tube is secured by tightening the castle nut, though the reviewer notes that specialized tools like an armor wrench are ideal for the final tightening.

Throughout the process, the reviewer emphasizes the use of basic tools, with occasional references to how specialized tools could improve the assembly. The video concludes by reminding viewers to check their work, use Loctite for the buffer tube, and keep an eye on parts that may loosen over time.

The overall tone is instructional, offering practical advice for those assembling an AR-15 lower receiver without specialized tools.

Here is the next step in the assembly process with the upper receiver

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