The QD Swivel Mount can easily be installed on the top two 45 degree quadrants on the Geissele Super Modular Rails (SMR) MK1,2,3 and 4. This mount is compatible with most commercial QD swivels. The QD Swivel Mount cannot be installed on the lower two quadrants of the SMR.
QD Swivel Mount in Black
QD SWIVEL MOUNT, BLACK, GEISSELE AUTOMATICS INC.