CMMG Banshee MK3 8.6 Blackout 12.50″ Pistol, 20+1
$1753.91
Specs at a glance
About this product
The CMMG Banshee MK3 is an AR-style pistol built on the Mk3 (AR-10) size platform and chambered in 8.6 Blackout. It pairs a compact 12.50″ Black Nitride 4140CM barrel with an 11″ M-LOK handguard and a 20+1 capacity to deliver a short, modular package. Components such as the CMMG Zeroed linear compensator and Zeroed drop-in single-stage trigger emphasize durability and repeatable function.
Key Specifications
- Chambered in 8.6 Blackout.
- Barrel length is 12.50″.
- Magazine capacity is 20 + 1.
- Overall length measures 29.50″.
- Weight is approximately 7.40 lbs.
- Features an 11″ M-LOK handguard for accessory mounting.
- Equipped with a CMMG Zeroed Linear Compensator at the muzzle.
- Barrel material is 4140CM with a Black Nitride finish.
- Receiver and key components use 7075-T6 Aluminum construction.
- Includes a Zeroed Drop-In Single Stage trigger.
Compact and thoughtfully configured, the Banshee MK3 blends a short barrel and M-LOK modularity with robust materials and familiar AR-style controls. Its specification set makes it suitable where a compact, high-performance AR-platform pistol is required for precision-oriented shooting, field use, or compact carry configurations.
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Sources & methodology.
Editorial review and rating by
Travis Caldwell
based on hands-on testing notes and published vendor specifications.
Pricing verified at time of publication.
$1753.91