Why do they all have such short eye relief... are there any that have more than 2" eye relief? I was thinking of mounting on on my .45-70 which has a tru glo red dot on it, but the longest eye relief I could find is the vortex magnifier which has 2" and sightmakr which is just over 2"... i'm wondering if this will be enough?

Search on medium eye relief red dot sights. The Aimpoint 900SC is a 1X with unlimited eye relief, for example.

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Nick

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"First contemplation of the problems of Interior Ballistics gives the impression that they should yield rather easily to relatively simple methods of analysis. Further study shows the subject to be of almost unbelievable complexity." Homer Powley

Red dot sights with no magnification will have unlimited eye relief, but there will always be limited eye relief when magnification is involved. Since red dot sights with magnification are generally intended for use on CQB weapons with light recoil, 2" is acceptable.

If you want magnification with long eye relief, I have to wonder why you don't just use a scope with a reticle? An illuminated reticle will be just as visible as a red dot, and provide target acquisition that is just as fast, and yet be much more crisp.

And no, 2" of eye relief will not be enough for a 45-70. The scope on my .450 Marlin gives me up to 4" of eye relief, and I'm careful, and the scope still bumps me now and then.

Thanks for the advice... what kind of .450 marlin you shooting is that out of a guide gun? I have a 22" er... maybe mine will jump less cause its longer and heavier. I dont know... i'm kind of dissapointed to be honest with you... I just can't believe they wouldn't make one longer... can't they see that there's a market for hunters for a longer eye relief magnifier... even as a solider I wouldn't want my eye 1.5" from a magnifier