CMMG MkGs .40 S&W Banshee Upper Group Receiver 5in 1-16 Twist 0.578 X 28 TPI 13.7in Tungsten
3 options
- Coyote · Tanout of stock
- Midnight · Bronzeout of stock
- Tungsten, this page
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CMMG
Overview
The CMMG MkGs .40 S&W Banshee Upper Group Receiver is a complete upper assembly designed specifically for the AR-15 platform, featuring a 5-inch barrel optimized for .40 S&W ammunition. With a 1:16 twist rate, this upper effectively stabilizes the heavier projectiles commonly used in this caliber, making it suitable for a variety of shooting applications. This upper is often utilized in compact builds where maneuverability and quick handling are priorities.
Specifications
CMMG MkGs .40 S&W Banshee Upper Group Receiver 5in 1-16 Twist 0.578 X 28 TPI 13.7in Tungsten
3 options
- Coyote · Tanout of stock
- Midnight · Bronzeout of stock
- Tungsten, this page
Price and stock
The CMMG MkGs .40 S&W Banshee Upper Group Receiver 5in 1-16 Twist 0.578 X 28 TPI 13.7in Tungsten was out of stock everywhere we track for all of August 2026, and today the one retailer we track is out of stock. Listed prices start at $849.99 at Optics Planet for when it comes back.
Prices checked · refreshed daily across 35 retailers
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