The Phase 5 Micro Stop M-LOK (MS-MLOK) is an ultra-lightweight rail attachment that will assist the operator with indexing their support hand while deploying the weapon; as well as keeping the support hand in the same position while firing.The MICRO-MLOK can be mounted on the bottom or either side of any M-LOK compatible rail system in a forward or reverse direction, allowing either a push or pull style grip. Proudly machined in the USA from USA sourced raw billet 6061-T6 aluminum.Compatibility: Any M-LOK Rail SystemContents: (1) Micro Hand Stop (1) M-LOK T-Nut and Screw (1) 5/32" Hex L-Wrench