Drawn to scale from Trijicon’s own specification sheet, and checked
mark by mark by a person. This is the same geometry Harson Ballistics draws your holdover on.
Trijicon Standard Duplex (Credo 3-9x40) — second focal plane, MOA subtensions, 3–9×
SFP, true at 9x. Illuminated fine crosshair 0.125 MOA wide, 20 MOA tip to tip (+-10). 1 MOA posts with pointed inner ends: the point sits 10.17 MOA out and the post reaches full width at 11.8 MOA (measured on the sheet); posts drawn to 14 MOA, where the sheet's artwork ends - on the scope they run to the field edge.
How this one was checked
Verified 15 Oct 2026 against Credo_Standard_Duplex_Reticle_2900043_2900044.pdf read as vector fills. Scale 16.087 pt/MOA from the 10 MOA (0 to 160.87 pt) and 20 MOA (+-160.87) dimension lines. Drawn fine line 2.0 pt = 0.124 MOA (callout 0.125); post 16.09 pt = 1.00 MOA (callout 1 MOA, dimension arrows span 16.1 pt); post outline vertices read directly: tip 0.125 wide at 10.17 MOA, full width at 11.81, artwork ends 14.1-14.6. All four callouts (0.125, 1, 10, 20) represented.
Use it on your own rifle
Harson Ballistics draws this reticle at your magnification with your holdover marked on it,
from your rifle, load and conditions. Works with no signal and no account.
Subtensions are published by the manufacturer and reproduced here for reference.
Confirm your own dope on a range before you rely on any of it. Harson.ai is not affiliated with
Trijicon.