CMMG MK4 Stripped Lower Receiver — .223 Rem / 5.56 NATO | AR-15 Lower | 55CA102-AB

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CMMG MK4 Stripped Lower Receiver — .223 Rem / 5.56 NATO | AR-15 Lower | 55CA102-AB

SHORT LISTING BLURB
A precision-machined stripped lower receiver for AR-15 builds chambered in .223 Remington and 5.56 NATO. The CMMG MK4 provides a durable foundation in an Armor Black Cerakote finish.

PRODUCT DESCRIPTION
The CMMG MK4 Stripped Lower Receiver is engineered as the serialized foundation for AR-15 pattern rifle builds chambered in .223 Remington and 5.56 NATO. Manufactured to precise tolerances, it offers compatibility with standard AR-15 components, making it suitable for custom builds, upgrades, or replacement projects.

Finished in Armor Black Cerakote, this receiver provides enhanced surface protection against wear and corrosion while maintaining a clean, professional appearance. As a stripped configuration, it allows builders to select their preferred lower parts kit, trigger group, and furniture to configure the rifle to their specific requirements.

TACTICAL ADVANTAGE

Precision-machined for compatibility with standard AR-15 components

Chambering compatibility for .223 Remington and 5.56 NATO platforms

Armor Black Cerakote finish for added durability and corrosion resistance

Stripped configuration allows full customization

Quality construction suitable for professional or personal builds

Manufactured by CMMG for consistent fit and finish

WHY TEXAS GUNS, INC. CARRIES IT
The CMMG MK4 lower receiver meets our standards for quality machining, dependable material construction, and compatibility with industry-standard AR components. It provides a reliable base for responsible rifle builds configured to the owner’s specifications.

KEY SPECS

Manufacturer: CMMG

Product: MK4 Stripped Lower Receiver

Type: Stripped Lower Receiver

Caliber / Size / Volume: .223 Remington / 5.56 NATO

Compatibility: AR-15 Pattern Components

Material / Finish: Aluminum Receiver / Armor Black Cerakote

Part Number: 55CA102-AB

Texas Guns, Inc.
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