Griffin Armament MK1 Stripped Lower Receiver

Griffin Armament MK1 Multi-Caliber AR-15 Stripped Lower Receiver Overview: The Griffin Armament MK1 AR-15 Stripped Lower Receiver is a precision-machined foundation for building a reliable and high-performance AR platform. Constructed from high-grade 7075-T6 aluminum and finished with a durable Type III hardcoat anodizing, this lower receiver is designed to meet mil-spec standards for compatibility and durability. Whether you're assembling a custom rifle or upgrading an existing build, the MK1 provides a solid and dependable base. Key Features: Platform: AR-15 stripped lower receiver for custom builds Caliber Compatibility: Multi-caliber design for versatile configurations (.22cal, 5.56mm, .300 Blackout) Material: 7075-T6 aluminum forging for strength and durability Finish: Type III hardcoat anodized black for wear resistance Compatibility: Mil-spec fire control pocket for standard AR components Design: Precision machining ensures proper fitment and reliability Weight: Lightweight construction for balanced rifle builds Specifications: Model: MK1 Stripped Lower Receiver Material: 7075-T6 Aluminum Finish: Type III Hardcoat Anodized Color: Black Firearm Type: AR-15 Platform Weight: 7.90 oz Caliber: Multi-Caliber Compatible Configuration: Stripped (requires lower parts kit and assembly) Applications: Custom AR Builds: Ideal base for building a personalized AR-15 rifle Upgrades: Replace or upgrade an existing lower receiver Tactical Use: Suitable for duty, defensive, or range configurations Competition Shooting: Reliable platform for precision-oriented builds Additional Features: Mil-Spec Compatibility: Works with standard AR-15 upper receivers and components Durable Construction: Resistant to wear, corrosion, and harsh environments Precision Engineering: Ensures consistent alignment and function Builder Ready: Allows full customization with user-selected components MPN: MK1SLUPC: 791154085042