Mk Iv~ Frame Black Mamba 4.5'' Black Camo Finish

The Volquartsen Mk IV Frame Black Mamba 4.5" Black Camo Finish is a precision-engineered receiver platform designed for serious shooters who demand accuracy and reliability in a modular, customizable package. This blowback-action frame serves as the foundation for a complete 22 LR conversion or dedicated build, offering tactical shooters and competitive marksmen a lightweight platform that maintains exceptional shot-to-shot consistency. The 4.5-inch configuration strikes a balance between maneuverability and sight radius, making it suitable for training, tactical drills, and precision shooting applications where .22 rimfire performance excels in high-round-count scenarios.

Built to Volquartsen's exacting tolerances, the Black Mamba frame features a durable black camo finish that provides corrosion resistance while maintaining a tactical aesthetic compatible with modern rifle builds. The blowback action design eliminates complexity, reducing maintenance requirements and enhancing reliability—critical factors for duty-ready and competition platforms. The adjustable rear sight allows precision zeroing and windage correction at distance, while the included 17-round magazine provides substantial capacity for extended shooting sessions. At 4.4 pounds, the complete assembly remains lightweight enough for prolonged handheld operation without fatigue, a key advantage in tactical training and carbine-format competitions where sustained accuracy matters.

Law enforcement trainers, precision shooters, and 22 LR enthusiasts benefit most from this platform's modular design and inherent accuracy potential. The frame accepts standard Mk IV components and allows customization of furniture, optics mounting, and ancillary equipment to suit individual mission requirements. Installation integrates seamlessly with compatible 22 rimfire receivers and barrels, making it an ideal choice for builders seeking a factory-engineered, match-grade foundation. This is a Federal Firearms Licensed (FFL) firearm—purchase and possession require compliance with all applicable federal, state, and local firearms regulations.