AR PISTOL 2018 UPDATED UPDATE

Published on May 28, 2018
Duration: 8:24

This video provides an update on an AR pistol build, focusing on the installation of a new 11.5-inch KeyMod upper from MAS Defense. The presenter explains the rationale behind choosing this upper, including the legal allowance for a vertical grip due to the barrel length and the desire for a lighter, slimmer profile compared to a quad rail. Key components discussed include the Surefire dual-port muzzle brake and its associated Warden blast diffuser, as well as Daniel Defense magazines.

Quick Summary

An 11.5-inch barrel on an AR pistol allows for the legal attachment of a vertical foregrip, provided the overall length of the firearm meets federal regulations. KeyMod handguards are generally lighter and slimmer than quad rails, offering a more streamlined profile. A Surefire dual-port muzzle brake significantly reduces muzzle rise but creates substantial blast, which can be mitigated with a blast diffuser.

Chapters

  1. 00:48Intro & Memorial Day Thanks
  2. 01:01AR Pistol Update Overview
  3. 01:15New 11.5" KeyMod Upper
  4. 01:31Previous 10.5" Quad Rail Upper
  5. 01:44Reason for Vertical Grip
  6. 02:19KeyMod vs. Quad Rail
  7. 02:33Upper Receiver Specs
  8. 02:40Surefire Dual Port Muzzle Brake
  9. 03:20Surefire Warden Blast Diffuser
  10. 04:22Sampson GoPro Mount Test
  11. 04:43Sling Attachment Point
  12. 04:58ASAP Sling Mount
  13. 05:16Daniel Defense Magazines
  14. 05:46Amazon Sling
  15. 05:56Final Build Recap
  16. 06:10Legal Length for Vertical Grip
  17. 06:31Outro & Call to Action

Frequently Asked Questions

What is the legal advantage of an 11.5-inch barrel on an AR pistol?

An 11.5-inch barrel on an AR pistol allows for the legal attachment of a vertical foregrip, provided the overall length of the firearm meets federal regulations. This enhances control and shooting ergonomics.

What are the benefits of a KeyMod handguard over a quad rail?

KeyMod handguards are generally lighter and slimmer than quad rails, offering a more streamlined profile. This can improve weapon handling and reduce overall weight, making the firearm easier to maneuver.

How does a Surefire dual-port muzzle brake affect shooting?

A Surefire dual-port muzzle brake significantly reduces muzzle rise, enabling faster follow-up shots. However, it also produces a large muzzle flash and blast, which can be mitigated with a blast diffuser like the Surefire Warden.

What are the key features of Daniel Defense magazines?

Daniel Defense magazines are known for their high quality, often holding 32 rounds compared to standard 30-round capacity. They also feature durable base plates designed to prevent damage if the magazine is dropped.

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