Brand: Griffin Armament
Model: MK2 Complete Lower
Platform: AR-15
Caliber: Multi-Caliber
Receiver Material: 7075-T6 Aluminum
Receiver Finish: Terra Brown / Type III Hardcoat Anodized
Furniture Color: Black
Safety: Ambidextrous
Grip Material: Polymer
Grip Description: Griffin A3 Hand Grip

Features

The MK2 Ambi Complete Lower Receiver from Griffin Armament is a premium, fully assembled foundation for AR-15 rifle builds, engineered for durability, precision, and ambidextrous control. Machined from high-grade 7075-T6 aluminum to exact tolerances, this AR-15 complete lower ensures proper fitment with mil-spec components and consistent performance across a wide range of configurations. A Type III hardcoat anodized finish enhances resistance to wear, scratches, and chemical exposure, supporting long-term reliability in demanding conditions.

Designed for enhanced usability, the MK2 features Griffin’s proprietary ambidextrous magazine release along with ambi bolt catch and release controls for intuitive operation from either side. The lower is equipped with a Maritime Receiver Extension, buffer spring, and H2 buffer system for dependable cycling, along with dimpled takedown pins for improved handling. A Contour Connect QD end plate with integrated sling socket provides secure attachment for single-point or two-point slings. Shipped without a stock for maximum configurability, this ambidextrous AR-15 lower receiver offers a versatile, high-performance base for custom rifle builds.

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If you live in California, please read this notice before ordering.

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.

Must be 21 or older to purchase.

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).