Magpul's Best Collapsible Stock: The UBR

Published on May 26, 2014
Duration: 11:34

This guide details the installation of the Magpul UBR (Utility/Battle Rifle) stock, Magpul's premium collapsible option. The video, presented by sootch00, emphasizes its robust build, offering the stability of a fixed stock with collapsible versatility. Key features include multiple adjustment positions, a proprietary receiver extension tube, QD sling mounts, and a storage compartment. The installation process requires specific tools and careful attention to torque specifications for the buffer tube.

Quick Summary

The Magpul UBR (Utility/Battle Rifle) stock combines fixed-stock stability with collapsible versatility for AR-15/AR-10 platforms. Weighing 1.46 lbs, it enhances rifle balance. Key features include 7 adjustment positions, a proprietary receiver extension tube, QD sling mounts, and a unique 'preset' system for customizable length-of-pull stops. Installation requires an armorer's wrench and specific torque settings.

Chapters

  1. 00:00Introduction to the Magpul UBR
  2. 01:00Key Features and Design
  3. 01:52Installation Process
  4. 05:10Advanced Adjustability
  5. 07:54Performance, Weight, and Pricing

Frequently Asked Questions

What are the main advantages of the Magpul UBR stock?

The Magpul UBR stock provides the stability of a fixed stock with the adjustability of a collapsible one. It offers a robust build, multiple length-of-pull positions, a comfortable cheek riser, dual QD sling mounts, and a small storage compartment, enhancing rifle balance and shooter fit.

How does the Magpul UBR compare to the Magpul MOE stock?

The UBR is significantly more robust and stable, offering a rock-solid feel with minimal play, unlike the MOE which can have some wobble. However, the UBR is considerably heavier (1.46 lbs vs 0.5 lbs), contributing to better rifle balance but adding overall weight.

What tools are needed to install the Magpul UBR stock?

Installation of the Magpul UBR stock requires a carbine-length buffer and spring, and an armorer's wrench to properly torque the proprietary receiver extension tube to the lower receiver (30-35 ft-lbs).

What unique adjustment feature does the Magpul UBR offer?

The UBR features an advanced 'preset' system. Small screws on the internal adjustment rail allow users to set specific length-of-pull stops, ensuring the stock automatically extends to a preferred position.

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