We review products independently. When you buy through links on our site, we may earn a commission to help support our testing. Learn more.
CMMG Mk4 Banshee 4.6x30mm
Hot deals from...
- ✓Extremely low recoil
- ✓AR-15 modularity
- ✓Reliable
- ✗Expensive
- ✗Ammo can be hard to come by
Editor’s Note: The CMMG FourSix Banshee brings the 4.6x30mm cartridge from the MP7 into the world of AR-15 pistol-caliber carbines. The 4.6x30mm is a small and lightweight cartridge with extremely low recoil, comparable to the 5.7x28mm round. The FourSix boasts an impressive 40-round capacity and gives users all the modularity that comes with the AR-15 platform. This gun features fully ambidextrous controls and a complete set of upgraded ZEROED furniture and controls, and a includes a linear compensator.
Read Full ReviewProduct Details
Features
By The Numbers
Related Posts
![Post Thumbnail Image for post: [Review] CMMG FourSix: 4.6x30mm AR Pistol](/_next/image/?url=https%3A%2F%2Fcdn-1-images.s3.us-west-2.amazonaws.com%2F2021%2F11%2F1.-CMMG-FourSix-1024x730.jpg&w=1920&q=75)
![Post Thumbnail Image for post: [Review] CMMG 5.7x28MM Upper: Resolute 300 MK57](/_next/image/?url=https%3A%2F%2Fcdn-1-images.s3.us-west-2.amazonaws.com%2F2020%2F02%2FCMMG-kitted-out-and-ready-to-go-1024x496.jpg&w=1920&q=75)
Variations & Comparables
FINAL VERDICT
"Overall, there’s not much to complain about here. The FourSix runs, and it’s gorgeous. CMMG backs it up with their lifetime warranty. And…it’s doggone cool." - Johnny B