The Magpul Industries MAG1072-BLK MP BSL Arm Brace for HK94/MP5 offers unmatched support for single-handed pistol operation, merging form and function seamlessly. Crafted from proprietary polymers, this durable and lightweight collapsible arm brace enhances ergonomics while maintaining aesthetic integrity. Its innovative tool-less adjustment enables quick deployment and collapsing, ensuring versatility in any tactical scenario. Fits HK94/MP5 and Clones NOT Compatible with HK91/G3 Pattern, K-Length, or .22LR Variants Integrated QD Sling Attachment Adjustment button can be operated with one hand Upgrade your firearm with the reliability and functionality of the MP BSL Arm Brace.