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Colt C-more

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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: January/25/2010 at 19:04
TexasJB View Drop Down
Optics GrassHopper
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Joined: January/23/2010
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      Is it just me or does my Colt C-more not want to keep sighted in properly.  It is on a M-4 platform with C more's mount.  I'll sight it in put it back in the safe carefully,  and six months later pull it out and it's off again!  I love the sight for speed but annoyed with the problem.  Please do not tell me about aimpoints etc, I own them too.  And yes the mount is snug like it is suppose to be.  It's kept in the safe where the temp stays about 70, low humidity.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: January/25/2010 at 20:12
koshkin View Drop Down
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Dark Lord of Optics

Joined: June/15/2004
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I have heard of C-More sights drifting slightly over time, but I have not witnessed it myself and not from just sitting in the safe.

How much off is it?

ILya
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: January/26/2010 at 00:03
TexasJB View Drop Down
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about an inch

Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: January/26/2010 at 10:20
Rancid Coolaid View Drop Down
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How big is the dot?

At what range has it shifted 1 inch?
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: January/26/2010 at 12:51
koshkin View Drop Down
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Dark Lord of Optics

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For a non-magnifying sight a 1inch shift at reasonable ranges does not sound like a big deal and can probably be caused my minute changes in your head position.

Perhaps, there is simply some uncorrected parallax in it.

ILya
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: January/26/2010 at 13:01
Rancid Coolaid View Drop Down
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That's what I was thinking.

A dot that covers 3 inches at 100 yards will not produce subMOA groups, at least mine never have.

A 1 inch jump isn't much.  If you want more precision, it'll probably take a different optic. Unless I am missing something.
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