Why Would Anyone Buy This AR-15??

Published on December 27, 2021
Duration: 18:05

This review questions the market viability of the CMMG Banshee in 4.6x30mm, despite its high-quality build and unique caliber offering. While the firearm performs well with soft recoil and good accuracy, significant heat buildup in the handguard is a major drawback. The host suggests that 9mm PCCs with high-velocity ammunition offer a more practical alternative due to better ammo availability and cost.

Quick Summary

The CMMG Banshee in 4.6x30mm offers a unique caliber option for the AR platform but suffers from significant heat retention in the handguard. While accurate, its practicality is questioned against more accessible 9mm PCCs with high-velocity ammunition.

Chapters

  1. 00:00Intro: CMMG Banshee 4.6x30mm
  2. 01:21Banshee Line Overview & PCC Preference
  3. 02:50Radial Delay Blowback Explained (and why it's absent here)
  4. 03:404.6x30mm vs 5.7x28mm Caliber Comparison
  5. 04:55Banshee 300 Series Features (RipBrace, M-LOK)
  6. 06:41Ammo Ballistics & Availability
  7. 07:41Range Performance: Pros & Cons (Heat Issue)
  8. 09:43Final Verdict & Alternatives

Frequently Asked Questions

What are the main drawbacks of the CMMG Banshee in 4.6x30mm?

The primary drawback identified is significant heat buildup in the handguard after firing just one magazine, forcing the shooter to grip the magazine well. Additionally, the niche caliber's ammunition availability and cost are concerns compared to more common options.

How does the 4.6x30mm caliber compare to 5.7x28mm?

Historically, 4.6x30mm was exclusive to military firearms like the HK MP7, making it less accessible. CMMG now offers it in an AR platform. While both are PDW rounds, 4.6x30mm is generally cheaper per round than 5.7x28mm, though produced by fewer manufacturers.

What are the key features of the CMMG Banshee 300 Series?

The Banshee 300 Series includes features like the adjustable RipBrace, an ambidextrous charging handle for easier operation, an M-LOK compatible handguard for accessory mounting, and a Magpul MOE grip for ergonomics.

Are there practical alternatives to the CMMG Banshee 4.6x30mm?

Yes, the reviewer suggests that a 9mm Pistol Caliber Carbine (PCC) using high-velocity ammunition can achieve similar velocities (around 2000 fps) with much better ammunition availability and potentially lower costs, offering a more practical solution.

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