The Patent Pending Arisaka Side Scout Mount MCX 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 Lights, 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 that tucks the light underneath either side of NGAL, ATPIAL-C, AN/PEQ15, and LA-5/PEQ laser/illuminators. It will also allow the light to clear the QD lever on the Steiner DBAL I2, A3, and D2. Designed primarily for the SIG MCX and MPX, the Side Scout Mount MCX will also work well on the B&T GHM and APC series, CZ S Mfg: Arisaka Defense