CMMG Banshee Mk4 5.56mm

The CMMG Banshee Mk4 chambered in 5.56mm is an AR-style pistol designed to combine carbine-length ballistic performance with compact maneuverability for range use and personal defense. Built on the Mk4 platform, this model brings modularity and accessory compatibility in a shortened package suitable for confined environments or transport.

The Banshee Mk4 is constructed with stylized receivers and CMMG’s EML handguard to provide a solid, ergonomic interface. The handguard offers full-length M-LOK slots on both sides and the bottom, with M-LOK sections between top Picatinny rail segments for straightforward accessory placement. This configuration supports common optics and control layouts while preserving a compact overall footprint.

Key Specifications

• The caliber is 5.56mm.
• The barrel length is 12.5 inches.
• The magazine capacity is 30 rounds.
• The muzzle thread pattern is 1/2×28.
• The finish is Black.
• The platform is the Banshee Mk4 AR pistol family.
• The handguard includes full-length M-LOK slots on both sides and the bottom.
• The top rail incorporates Picatinny sections with M-LOK spacing between segments.

This CMMG Banshee Mk4 5.56mm offers a compact, modular AR pistol option for shooters seeking carbine-like ballistics in a shortened package. Buy the CMMG Banshee Mk4 5.56mm online today to add a versatile AR-style pistol to your collection.