CMMG Banshee Mk4 .300 AAC Blackout

The CMMG Banshee Mk4 in .300 AAC Blackout is an AR-platform pistol engineered for compact utility, range work, and controlled suppressed shooting with subsonic loads. Its configuration suits users seeking an AR-style pistol with a short barrel and accessory-ready handguard for modular setups.

The Banshee Mk4 pairs a 12.5-inch barrel with CMMG’EML7 M-LOK handguard hardware and a pistol tube stock arrangement to deliver a compact, familiar AR ergonomics package. The pistol is finished in black and incorporates polymer grip components and an aluminum receiver set to maintain a balance of durability and weight.

Key Specifications

• The caliber is .300 AAC Blackout.
• The action is Semi-Auto.
• The barrel length is 12.5 inches.
• The magazine capacity is 30 rounds.
• The number of magazines included is 1.
• The frame material is Aluminum.
• The frame color is Black.
• The grip material is Polymer.
• The optic footprint is PICATINNY.
• The ambidextrous safety is Yes.

State restrictions: This firearm is not available for sale or cannot be shipped directly to Rhode Island, Washington, Illinois, and Oregon.

For those seeking a compact AR pistol for range work, suppressed shooting, or compact defensive configurations, buy the CMMG Banshee Mk4 .300 AAC Blackout online today.