How to put your Barrett 50 cal (M82) together in under 60 seconds!

Published on July 14, 2025
Duration: 1:09

This guide demonstrates the rapid assembly of the Barrett M82 or M107 rifle, which is designed to come apart into two main sections for transport. It covers deploying the bipod, removing and reinstalling key pins, extending the barrel, and rejoining the upper and lower receivers. The process emphasizes careful handling of components to ensure proper function.

Quick Summary

The Barrett M82/M107 rifle is designed for quick assembly, typically in under 60 seconds. The process involves deploying the bipod, removing and reinstalling two key pins, extending the barrel and securing it with the spring retainer, and then joining the upper and lower receivers by aligning the front pin and lowering the upper.

Chapters

  1. 00:00Introduction and Overview
  2. 00:09Lower Receiver Preparation
  3. 00:21Pin Removal
  4. 00:26Upper Receiver and Barrel Extension
  5. 00:33Barrel Extension and Buffer Setup
  6. 00:45Joining Upper and Lower Receivers
  7. 00:56Final Assembly Steps
  8. 01:07Assembly Complete

Frequently Asked Questions

How do you begin assembling a Barrett M82 or M107 rifle?

To begin assembling a Barrett M82 or M107, first deploy the bipod on the lower receiver for support. Then, partially pull the charging handle back and remove the top pin that captures the bolt, allowing it to move forward slowly. Finally, remove the rear pin.

What is the process for extending the barrel on a Barrett M82/M107?

To extend the barrel on a Barrett M82/M107, lay the upper receiver down and push the barrel out to its fully extended position. Slide the buffer to the back of the barrel, then carefully insert the spring retainer into the barrel to hold it in place.

How are the upper and lower receivers of a Barrett M82/M107 joined?

To join the receivers, tilt the upper receiver down and slide its front over the front retaining pin on the lower receiver. Once aligned, lower the upper receiver completely onto the lower. Pull the charging handle partially back to allow the bolt carrier to move forward.

What are the final steps to complete the assembly of a Barrett M82/M107?

After joining the upper and lower receivers and letting the bolt carrier move forward, the final steps involve reinstalling the two pins that were initially removed. Once the pins are in place, the Barrett rifle is fully assembled and ready for use.

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