AR-15 Pistol

Published on November 21, 2012
Duration: 15:35

This review details the construction and legalities of an AR-15 pistol build. Key considerations include maintaining pistol status by never assembling it as a rifle first, and adhering to barrel length recommendations (minimum 10.5 inches for reliability). The build incorporates specific accessories like an ATI Free Float Forend and Magpul MBUS sights, emphasizing modularity and compact design.

Quick Summary

For AR-15 pistol builds, a minimum barrel length of 10.5 inches is recommended for reliability. Crucially, the lower receiver must be registered as a 'pistol' from the start and never assembled as a rifle. Avoid vertical foregrips to prevent illegal 'Any Other Weapon' (AOW) classification.

Chapters

  1. 00:35Intro to AR-15 Pistols & Practicality
  2. 01:13Build Considerations & Legal Pitfalls (SBRs)
  3. 02:15Recommended Barrel Length & Reliability
  4. 02:53Buffer Tube System & Accuracy Advantage
  5. 03:48Crucial Lower Receiver Legality
  6. 06:25Foregrip Restrictions & AOW Classification
  7. 09:09Accessories: ATI Forend & Magpul Sights
  8. 11:35Recoil Management & Ergonomic Grips
  9. 13:54Sling Systems & Final Thoughts

Frequently Asked Questions

What is the minimum recommended barrel length for an AR-15 pistol build?

For reliability in an AR-15 pistol platform, a minimum barrel length of 10.5 inches is recommended. While 7.5-inch versions exist, they may present more reliability challenges. Longer barrels like 11.5 inches are also common but less compact.

What are the legal requirements for building an AR-15 pistol?

Crucially, a stripped lower receiver must be purchased and recorded as a 'pistol' or 'virgin lower' on the 4473 form. It must never have been built as a rifle first to remain a legal pistol. Additionally, avoid features like vertical foregrips.

Can I add a vertical foregrip to my AR-15 pistol?

No, legally, AR-15 pistols are restricted from having vertical foregrips. Adding one can reclassify the firearm as an 'Any Other Weapon' (AOW), which carries significant legal penalties and requires specific registration.

What is the advantage of the AR-15 buffer tube on a pistol build?

The AR-15 buffer tube serves a functional purpose and provides a ready-made cheek weld. This feature offers an accuracy advantage compared to other pistol platforms that lack a similar stabilizing point.

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