Magpul AR-15 Stock Comparison

Published on January 11, 2014
Duration: 10:58

This guide, based on insights from sootch00, details how to identify AR-15 buffer tube compatibility (Mil-spec vs. Commercial) and select the appropriate Magpul stock. It covers the installation process, emphasizing safety checks. The video provides a comprehensive comparison of Magpul's MOE, CTR, STR, ACS, ACS-L, UBR, and PRS stocks, detailing their features, weights, and MSRPs, with an expert assessment of product knowledge.

Quick Summary

When choosing a Magpul AR-15 stock, first identify your buffer tube type: Mil-spec (1.148" diameter, flat end) or Commercial (1.168" diameter, angled end). The MOE is the lightest and most affordable, while the CTR adds a friction lock and QD mount. For more storage, consider the STR or ACS. The UBR and PRS offer enhanced adjustability for specific roles.

Chapters

  1. 00:55Magpul History and Principles
  2. 02:06Buffer Tube Compatibility
  3. 03:31MOE and CTR Stocks
  4. 05:06STR and ACS Stocks
  5. 07:13UBR and PRS Stocks

Frequently Asked Questions

What is the difference between Mil-spec and Commercial AR-15 buffer tubes?

Mil-spec buffer tubes measure 1.148 inches in diameter and have a flat end, designed for tighter tolerances. Commercial buffer tubes are slightly larger at 1.168 inches in diameter and typically have an angled end, often found on entry-level or older AR-15 platforms.

Which Magpul AR-15 stock is the lightest and most affordable?

The Magpul MOE (Magpul Original Equipment) stock is the lightest, weighing just 0.5 lbs, and is also the most affordable option, with an MSRP of $59.95. It offers a solid foundation for basic carbine builds.

What features does the Magpul CTR stock offer over the MOE?

The Magpul CTR (Compact Type Restricted) stock builds upon the MOE by adding a friction lock system to minimize stock movement and wobble on the buffer tube. It also includes a standard QD (Quick Detach) sling swivel socket.

How do the Magpul UBR and PRS stocks differ from carbine stocks like the MOE or ACS?

The Magpul UBR (Utility Battle Rifle) and PRS (Precision Rifle Sniper) stocks are significantly heavier and more robust. The UBR offers extensive adjustability for a "battle rifle" configuration, while the PRS provides fine-tuned adjustments for length of pull and cheek weld, optimized for precision shooting.

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