Bravo Company USA BCMGUNFIGHTER Modular Scout Light Mount (M LOK Compatible) Caps and a smooth modular insert and a smooth modular insert for use with some rifles with larger built in trigger guards these boots are engineered to withstand the elements while providing superior support Fully ambidextrous: made to mount flush or cantilever off either the left or right side of the rail system Designed for use with Surefire's Scout Light mounting interface Multiple mounting holes for ideal rail placement Designed to mount on the 3 or 9 o'clock rail positions Durable Aluminum construction Intently designed to be low profile and snag free Manufacturer part #: BCM SLM MCMR