Out of stock
SKU: CMMG91CA2A6-AB
UPC: 810097506671
MPN: 91CA2A6-AB
The CMMG Lower Sub-Assembly Mk9 9mm Carbine is a precision-engineered stripped lower receiver designed for shooters and builders who demand reliability in a compact 9mm platform. This component serves as the foundation for a complete Mk9 carbine build, offering law enforcement, military, and civilian operators a modular pathway to a purpose-built pistol-caliber rifle.
The Mk9 platform has earned credibility in professional circles for its ergonomic design and compatibility with standard AR-style controls, making it an excellent choice for those transitioning from rifle-caliber systems. As a stripped lower receiver, this component incorporates CMMG's refined fire control housing geometry, optimized specifically for 9mm ammunition while maintaining the ergonomic familiarity of conventional AR-platform controls.
Operators building a 9mm carbine will benefit most from this lower assembly when paired with a matching upper receiver and other components tailored to their specific mission requirements. Weighing just 1.06 pounds, the lower assembly facilitates a lightweight, maneuverable platform ideal for close-quarters work, vehicle operations, or training environments where reduced recoil and ammunition cost are operational priorities.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.
