Originally Posted by Riflecrank
Eye relief reports vary according to source from 1.9" to 3.6" quoted on a 3x30mm, huh ?
Civilian versus military models or just typos ?

The Trijicon "Operator's Manual: Trijicon ACOG (Advanced Combat Optical Gunsight)"
for Model: 3x30
TA33-8
TA33R-8
TA33-9
TA33R-9
says 3.6" eye relief.

3.5" eye relief quoted often allows me to use it at a full 5" from my eyeball.

Not typos. Some ACOGs have incredibly short eye relief. None have a lot. I found them to be sub optimal on an M4 when work issued them to me, I can't imagine using them on a 458WM, but anything is worth trying. They have grown on me over the years, but...