Quick Overview
CNC Lightweight Alumninum with Level II Black Anodize (seamlessly integrates with Madbull black outer barrels). CCW threaded on both ends. Hides extra inner barrel slack. Adds space for quick detach or other barrel accessories. Solves common issues: a) inner barrel longer than outer barrel. b) RIS longer than outer barrel. Recommended for use with Madbull outer barrels
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