The AD-68 Aimpoint mount provides several solutions for the Aimpoint M68/CompM2/ Aimpoint PRO. This mount will also fit similar red dots with 30mm tubes. The 34mm version is compatible with the BSO Optic and the Leupold Freedom RDS. Low, co-witness, lower 1/3 co-witness and lower 1/3rd co-witness cantilever heights are offered in 30mm ring sizes. It features the Patented QD Auto Lock Lever system in either standard or TAC design to accommodate both in spec and out of spec rail systems.