The Aimpoint COA / A-Cut footprint
GLOCK A-Cut
Screws2 rear screws + front tongue
Driverper Aimpoint manual
Torqueper Aimpoint manual
Patterntongue-and-screw, not a lug pattern
Diagram is schematic — top-down, optic
front at the top — and is not to scale.
InterfaceOptic nose slides under a slide lip; two rear screws clamp it down
What to knowIntroduced on GLOCK Gen6 and being picked up by other makers. The front tongue takes recoil off the screws, which is the whole point.
Optics using this footprint
Pistols that mount it with no adapter
Check a pairing
Use the fit checker to see whether a specific optic and
pistol go together, and what it costs to mount.