Shortest AR15 you can buy!

Published on September 16, 2024
Duration: 0:42

This review explores the functionality of an extremely short AR-15 build featuring a 4.75-inch barrel chambered in 5.56. Despite initial skepticism about cycling reliability and significant muzzle flash, the firearm demonstrated surprising performance, cycling reliably even with a very short gas system. The build was equipped with a Vortex AMG UH-1 sight and Magpul furniture.

Quick Summary

An AR-15 with a 4.75-inch barrel in 5.56 can cycle reliably, even with a very short gas system. However, firing such a short barrel produces significant muzzle flash and a large fireball due to unburnt powder combustion.

Chapters

  1. 00:00Intro: Can an AR-15 Be Too Short?
  2. 00:08Specs: 4.75" Barrel 5.56 Upper
  3. 00:16Live Fire: Muzzle Flash & Fireball
  4. 00:23Rapid Fire Test & Reliability
  5. 00:36Conclusion: Does it Actually Work?

Frequently Asked Questions

What is the barrel length of the shortest AR-15 tested?

The shortest AR-15 build featured in the video has an extremely short 4.75-inch barrel. This ultra-compact design chambered in 5.56 was tested for functionality and reliability.

Does a 4.75-inch barrel AR-15 function reliably?

Surprisingly, yes. Despite initial skepticism about the short gas system, the 4.75-inch barrel AR-15 demonstrated reliable cycling during rapid fire tests against steel targets.

What are the visual effects of firing a 4.75-inch barrel AR-15?

Firing such a short barrel results in a significant muzzle flash and a large fireball. This is due to the rapid combustion of unburnt gunpowder exiting the barrel.

What accessories were used on the short AR-15 build?

The ultra-short AR-15 build was equipped with a Vortex AMG UH-1 holographic sight for aiming and Magpul furniture, including the stock and pistol grip.

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