Moving the Aimpoint COA between pistols
Page last updated . Data compiled September 2026 by the site administrator.
You already own it. Here is what changes from one slide to the next: the plate, the screw thread at each joint, the torque, the tools and any thread trap. 1 kinds of slide, covering 7 pistols, grouped by how the optic mounts and then alphabetically. Nothing is ranked. The Aimpoint COA page has its specs and the per-pair answers.
Mounts straight to the slide
Aimpoint A-Cut
Direct Direct mount
7 slides: 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
- Optic → slide
- 2 rear screws + front tongueSupplied with the optic.
- Optic torque
- per Aimpoint manual
- Tools
- Torque wrench, Driver bits, Calipers, Degreaser, Witness-mark paint or lacquer
- To mount
- $650–900approximate street prices, September 2026
Steps and safety: installing a red dot, from the makers' manuals. Mounting an optic is gunsmithing; confirm the pistol is unloaded first. Screw length is never listed here because it depends on the whole stack: each pair's build sheet has a calculator that works from your own caliper readings.