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-M-Lok 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