Griffin Armament MK2 AR-15 Stripped Lower Receiver – Ambidextrous, Multi-Caliber

Overview

The Griffin Armament MK2 AR-15 Stripped Lower Receiver is a premium foundation for high-performance AR builds. Precision machined in the USA from custom-forged 7075-T6 aluminum, the MK2 features true ambidextrous controls, enhanced ergonomics, and a durable Type III hardcoat anodized finish. Designed for shooters who demand reliability, versatility, and refined handling, this lower receiver is ideal for both professional-duty and enthusiast-grade builds.

Key Features

• Custom-forged 7075-T6 aluminum construction for exceptional strength and durability
• Fully ambidextrous magazine release and bolt catch/release controls
• 60° flared magazine well for smooth, consistent reloads
• Integrated trigger guard for added rigidity and glove-friendly use
• Type III hardcoat anodized black finish for long-term wear resistance
• Precision in-machine deburring and deflashing for superior fit and finish

• Made in the USA

Specifications

• Platform: AR-15
• Caliber Compatibility: .22 Cal / 5.56mm / .300 Blackout
• Receiver Type: Stripped lower receiver
• Fire Control Pocket: Mil-Spec
• Action Type: Semi-Automatic
• Weight: 8.9 oz (stripped)
• Frame Material: Aluminum
• Country of Origin: United States

Applications

Ideal for custom AR-15 rifle or pistol builds, duty and tactical rifles, competition setups, and shooters seeking true ambidextrous operation for left- or right-handed use.

Additional Features

• Includes Griffin Armament ambidextrous magazine release and ambidextrous bolt catch and release controls
• Compatible with standard mil-spec AR-15 lower components
• Note: Does not include standard right-side magazine release button

Regulated firearm component; transfer through a licensed FFL required