CMMG Banshee Mk4 Pistol .300 BLK 12.5" 30 Rounds Semi-Auto Threaded Barrel

This CMMG Banshee Mk4 is a semi-automatic pistol chambered in .300 BLK with a 12.5-inch barrel and 30-round magazine capacity. Built on the proven AR-15 platform, this pistol features direct impingement operation with an adjustable .750-inch gas block and carbine buffer system. The barrel is constructed from 4140CM steel with SBN treatment and a 1:7 twist rate, equipped with a CMMG ZEROED Linear Compensator threaded at 5/8x24. The upper receiver is machined from billet 6061 T6 aluminum while the lower receiver is forged from 7075 T6 aluminum, both finished in Cerakote Standard. The pistol incorporates a comprehensive suite of CMMG ZEROED components including an ambidextrous charging handle, single-stage drop-in trigger, pistol grip, and 60/90-degree safety selector. The EML11 M-LOK handguard provides full-length accessory mounting slots on multiple sides. A CMMG RipBrace and six-position fastback receiver extension complete the package, resulting in an overall length of 28 inches and weighing 5.8 pounds.

• Direct impingement system with adjustable gas block
• EML11 M-LOK handguard with multiple accessory slots
• CMMG ZEROED components throughout for reliability

The Banshee Mk4 represents CMMG's innovative approach to AR-style pistols, combining the versatility of .300 BLK with precision-engineered components designed for various applications.