CMMG MK4 .22LR Banshee Upper Group Receiver 4.5in 1-16 Twist 1/2 X 28 TPI 12.8in Midnight Bronze
All CMMG upper receivers4 options
- Coyote · Tanout of stock
- Midnight · Bronze, this page
- Sniper Grayout of stock
- Tungstenout of stock
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CMMG
Overview
The CMMG Mk4 .22LR Banshee Upper Group Receiver is a complete upper assembly designed for the AR-15 platform, featuring a compact 4.5-inch barrel optimized for .22 LR caliber. Its 1:16 twist rate enhances accuracy with lighter projectiles, while the 1/2x28 thread pitch allows for easy attachment of muzzle devices. This upper group is commonly used in builds focused on plinking or training, providing a lightweight and versatile option for shooters looking to maximize rounds downrange.
Specifications
CMMG MK4 .22LR Banshee Upper Group Receiver 4.5in 1-16 Twist 1/2 X 28 TPI 12.8in Midnight Bronze
4 options
- Coyote · Tanout of stock
- Midnight · Bronze, this page
- Sniper Grayout of stock
- Tungstenout of stock
Available Merchants(1)
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Build history on GunPartPicker
Builders on GunPartPicker first added the CMMG MK4 .22LR Banshee Upper Group Receiver 4.5in 1-16 Twist 1/2 X 28 TPI 12.8in Midnight Bronze to a build in June 2026.
Today the one retailer we track is out of stock. Listed prices start at $649.99 at Optics Planet for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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