The Patented Arisaka Side Scout Mount (SSM) is designed for use with Surefire Scout Lights, the Modlite PLH and OKW weapon lights, the Arisaka 300, 600 and 18650 Series, and the Streamlight Protac Rail Mount lights. It replaces the stock Picatinny rail adapter with a low profile mount that tucks the light underneath either side of the ATPIAL laser/illuminator series, including the ATPIAL-C, AN/PEQ15, and LA-5/PEQ. It will also allow the light to clear an NGAL and the QD lever on the Steiner DBAL I2, A3, and D2. 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), CD REIN, and Arisaka 300, 600 and 18650 Series.