The SPEED Dual Spec KeyMod Front Stop fully support the KeyMod specification to ensure the exact fit and compatibility.  Even the KeyMod nuts are specially CNC precision machined to ensure the highest quality. 

All SPEED KeyMod based airsoft products come with the Dual Spec KeyMod nuts system, that will support both Mil Spec nut specification as well as Airsoft nut specification.  Kit includes the SPEED Dual Spec KeyMod Nuts System which will enable users to fully utilitze the SPEED KeyMod products on both KeyMod standards.