MY 7.5" AR15 PISTOL BUILD!!!

Published on October 12, 2019
Duration: 20:21

This video provides a detailed build overview of a 7.5-inch AR-15 pistol, affectionately nicknamed 'The Mutt' by the reviewer. The presenter, Locs N Load Firearm Reviews, discusses component choices, rationale for the short barrel length, and performance observations. The build focuses on creating a compact, reliable firearm suitable for vehicle transport or as a backpack gun, emphasizing its utility in close-quarters scenarios.

Quick Summary

A 7.5-inch AR-15 pistol offers significant advantages in compactness for vehicle or backpack carry, while retaining familiar AR controls and firepower for close-quarters engagements. However, these short barrels are exceptionally loud and produce substantial concussion, with effectiveness diminishing beyond 100-200 yards due to reduced projectile velocity.

Chapters

  1. 00:00Introduction
  2. 01:06Welcome & Build Intro
  3. 01:32My 7.5" AR-15 Pistol Build
  4. 02:20A2 Flash Suppressor vs Muzzle Brake
  5. 03:14Ballistic Advantage 7.5" Barrel
  6. 03:58Gold Rail from OpticsPlanet
  7. 04:39Trinity Force Angled Foregrip
  8. 05:04Olight PL-2 Mini Light
  9. 06:19Sling Swivel & Dust Cover
  10. 06:47Sig Sauer Romeo Red Dot
  11. 07:23Republic Firearms Upper & Charging Handle
  12. 07:56Strike Industries Takedown Pins
  13. 08:11Bostick Black Nitride BCG
  14. 08:34Republic Firearms Mag Release
  15. 08:42Aim Sports SAT Trigger
  16. 09:11Custom Flag Magwell Mod
  17. 09:41Strike Industries Trigger Guard
  18. 09:47Magpul Pistol Grip
  19. 09:50SB Tactical SBPDW Brace
  20. 10:05The Mutt Build Recap
  21. 11:13Why a 7.5" Barrel?
  22. 11:59Barrel Length Considerations
  23. 12:49Accuracy of 7.5" Barrels
  24. 13:41Pros and Cons of 7.5" Pistols
  25. 14:10Pros: Short, Compact, Lightweight
  26. 14:23Pros: Same Firepower, Familiarity
  27. 14:51Cons: Loudness & Concussion
  28. 15:48Velocity at Distance vs Self-Defense
  29. 16:38Reliability & Trust
  30. 17:02Initial Build Issues & Fixes
  31. 17:46Conclusion & Recommendations
  32. 18:02Why Build a 7.5" Pistol
  33. 18:32Support the Channel
  34. 19:10Social Media & Links
  35. 19:26Outro

Frequently Asked Questions

What are the main advantages of a 7.5-inch AR-15 pistol?

The primary advantages of a 7.5-inch AR-15 pistol are its compact size, making it ideal for vehicle transport or discreet carrying in a backpack. It offers significant firepower comparable to longer AR-15s at close ranges and maintains familiar AR controls.

What are the disadvantages of a 7.5-inch AR-15 pistol?

The main disadvantages of a 7.5-inch AR-15 pistol are its extreme loudness and significant concussion due to unburnt powder exiting the short barrel. Its effectiveness is also limited at longer distances (beyond 100-200 yards) due to reduced velocity.

Why did the reviewer choose an A2 flash suppressor over a muzzle brake for their 7.5-inch AR-15 pistol?

The reviewer opted for an A2 flash suppressor because a muzzle brake on a 7.5-inch AR-15 pistol produced excessive noise and concussion, even with hearing protection, and was impractical for indoor use. The flash suppressor offers a better balance of noise reduction and concussion management.

How does the accuracy of a 7.5-inch AR-15 pistol compare to longer barrels?

At typical self-defense ranges (under 100 yards), the accuracy of a 7.5-inch AR-15 pistol is comparable to longer barrel lengths. The main difference emerges at extended distances (300+ yards) where the shorter barrel's reduced velocity impacts performance.

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