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MPA Cheek Riser Thumb Screw System
This system was designed for our customers with BA Lite, Hybrid and Ultra Lite Chassis who want a quick and easy way to remove the cheek riser assembly for cleaning purposes (or other reasons). The spacers also provides the ability to pre-set the cheek riser assembly height when re-installing the unit.
This can also be used for our full size BA, Comp, ESR chassis for those who prefer this system over our traditional thumb wheel design.
Watch the video below for instructions on use and installation.