Home / Footprints / Aimpoint COA / A-Cut
The Aimpoint COA / A-Cut footprint
Page last updated . Data compiled September 2026 by Andrew Terrebonne.
GLOCK A-Cut
- Layout
- Optic nose slides under a slide lip; two rear screws clamp it down
- Screws
- 2 rear screws + front tongue
- Driver
- per Aimpoint manual
- Torque
- per Aimpoint manual
- Pattern
- tongue-and-screw, not a lug pattern
What to knowIntroduced on GLOCK Gen6 and spreading to other makers. The front tongue takes recoil off the screws.
What uses the Aimpoint COA / A-Cut footprint?
1 optic uses it, 7 pistols are cut for it and 1 plate provides it. The lists below name each optic, pistol and plate.
Optics using this footprint
Pistols that mount it with no adapter
- GLOCK 17 / 19 / 45 Gen6 A-Cut
- Springfield Armory Echelon 4.0C COA
- Springfield Armory Echelon 4.0FC COA
- Springfield Armory Echelon 4.5F COA
- Springfield Armory 1911 DS Prodigy 4.25in COA
- Springfield Armory 1911 Operator .45 COA
- Springfield Armory 1911 TRP .45 COA
Plates that provide this footprint
| Slide interface | Plate | Source |
|---|---|---|
| CZ Shadow 2 OR plate system | Shadow 2 OR → Aimpoint A-Cut | Eemann Tech ↗ |
Check a pairing
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