Initially originated for the .45 ACP MKG platform, CMMG has seamlessly extended our radial delayed Blowback system throughout our lineup of pistol calibers

This incorporation has led to the development of pistols and rifles characterized by a milder recoil impulse and decreased bolt weight in contrast to conventional straight Blowback systems

Features

Your quest for the ultimate personal defense tool comes to an end with the Mk57 BANSHEE. Meticulously engineered and chambered in 5.7 x 28 mm, this cutting edge firearm boasts an 8 inches barrel that fully unlocks the potential of the 5.7 x 28 mm round, making it the perfect choice for close-range personal defense. Grounded in the Mk57 platform, the BANSHEE effortlessly accommodates FN Five-seven pattern magazines, complete with an instinctive oversized Mag release. With the reassuring presence of traditional AR functionality, including a last round bolt hold open, the Mk57 remains reliable, even when using pistol magazines. Dive into a spectrum of Cerakote finish options as the BANSHEE series emerges as the epitome of innovation among contemporary AR pistols and SBRs. From the rapid-deploying RIPBRACE to the meticulously designed receivers and EML handguards, each BANSHEE is custom-tailored to serve as your unwavering personal defense companion. Enhanced by full length M-LOK slots on both sides and the lower part of the handguard, coupled with M-LOK integration between the upper picatinny rail sections, you can be confident that there's ample space for all your essential accessories.

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Shipping Restrictions

It is the customer’s responsibility for understanding state laws regarding all purchases made. For a comprehensive list of all Shipping Restrictions, please refer to our Shipping Restrictions By State Page found Here.

All NFA Rules Apply

These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s) herein identified. They may not be resold, transferred, or otherwise disposed of, to any other country or to any person other than the authorized ultimate consignee or end-user(s), either in their original form or after being incorporated into other items, without first obtaining approval from the U.S. government or as otherwise authorized by U.S. law and regulations.

Magazines will be removed from firearms when shipping to states with magazine capacity restrictions.

WARNING: Handling firearms or firearms parts can expose you to lead and other petroleum products known to the State of California to cause cancer, birth defects, or other reproductive harm. Wash hands thoroughly after handling. For more information go to www.p65warnings.ca.gov (CA Health and Safety Code Section 25249.6).