Arisaka Defense Offset Light Mount, For SureFire Scout Light Weapon Lights, Fits Keymod, Anodized Finish, Black OSM-K The Patented Arisaka Offset Scout Mount is designed specifically for the Surefire Scout Light M600 and M300 series weapon lights" the Modlite PLH and OKW weapon lights" the Arisaka 300" 600 and 18650 Series" the Streamlight Protac Rail Mount 1" 2 and HL-X (non-laser)" and Olight Odin. It replaces the stock Picatinny rail adapter with a low profile mount for KeyMod handguards. The Offset Scout Mount uses BCM's patented inverted KeyMod screws" which allows it to be less than 0.20" thick. When used on the side mounting surfaces of a KeyMod handguard" the Offset Scout Mount places the light at a 45 degree angle and tucks it in closer to the handguard. Oriented upwards" the light is located at approximately the 1:30 or 10:30 clock positions. Oriented downwards" the light is located at approximately the 4:30 or 6:30 clock positions. The Offset Scout Mount also provides three lateral mounting positions for the light body" which allows the user to position the light closer or farther away from the top rail" front sights" or other accessories. Three positions are provided" spanning approximately 0.240". When used with the Arisaka 300 Series Light Body or 600 Series Light Body" even more clearance can be gained for larger front sights. As shown in the pictures" the Offset Scout Mount is compatible with most KeyMod handguards like the BCM KMR and KAC URX4. It will not fit the handguard profile of the Aero Precision Enhanced Gen 2" SIG MPX" or MCX (unless using the round suppressor width handguard). Compatible with the Modlite PLH" PLHv2 and OKW" Surefire M300A" M300B" M300C" M300V" M312" M322" M312V" M313V" M322V" M600B" M600C" M600P" M600U" M600V" M600DF" M612" M622" M603V" M612V" M622V" Streamlight Protac Rail Mount 1" 2 and HL-X (non-laser)" Olight Odin" CD REIN" and Arisaka 300" 600 and 18650 Series.