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problem with cmore sts glock 17


mookman

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hi there , just had a cmore sts sight delivered, got the cmore mounting kit for glock17 went to the range to zero in, first 3 rounds off the target low

on IPSC target, adjusted fully up (anticlockwise) still shooting at least six inches low at 15 metres........

got nowhere to go now, anybody else had this problem or got any ideas... i know shooting optics is not like iron sights but the pistol just feels like its

aiming low , any help appreciated,

thanks , mookman :surprise:

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hi there , just had a cmore sts sight delivered, got the cmore mounting kit for glock17 went to the range to zero in, first 3 rounds off the target low

on IPSC target, adjusted fully up (anticlockwise) still shooting at least six inches low at 15 metres........

got nowhere to go now, anybody else had this problem or got any ideas... i know shooting optics is not like iron sights but the pistol just feels like its

aiming low , any help appreciated,

thanks , mookman :surprise:

I dont have your answer but I know other sights have shims if they dont line up right, how do you like it mounted on the slide other than point of impact.

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hi there , just had a cmore sts sight delivered, got the cmore mounting kit for glock17 went to the range to zero in, first 3 rounds off the target low

on IPSC target, adjusted fully up (anticlockwise) still shooting at least six inches low at 15 metres........

got nowhere to go now, anybody else had this problem or got any ideas... i know shooting optics is not like iron sights but the pistol just feels like its

aiming low , any help appreciated,

thanks , mookman :surprise:

I dont have your answer but I know other sights have shims if they dont line up right, how do you like it mounted on the slide other than point of impact.

seems fine from the amount of time i spent with it, you have to have a good grip or the dot does a little clover leaf shape dance..

i think if anything i need to lower the mount , this cant be done as it fits to the origonal dovetail,

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You say that you moved the dot up, but you need to move the dot to where the bullet impacted, ie. if the shots are going low then you need to move the dot downward, or am I misreading your post?

Also, did you release the locking screw(s) before adjusting the sight?

Edited by BritinUSA
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get a 1* shim from JP.

thanks for replies, when i say moved the dot, i moved it to raise point of impact, i dont know if jpoint shims will work as they have four

mounts on the shim and the sts has two, hope that makes sense i cant get my hands on one to look at as i live in spain and small red dots are rare.

ive spoken to cmore and they have been really helpfull , but no real answer yet, i guess i may have to return it, strange thing is if i put it on

top of an 8 foot piece of box section it goes to point of aim.... maybe theres something else wrong that i cant see because im looking to hard...

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Yep, the Jpoint 1* will not work if you are using a STS mount, sorry about that. I was using a Jpoint mount with a STS adapter plate.

You would have to grind off the 4 tabs on the 1* for it to work

been messing about in the garage, just put a piece of feeler gauge (25 thou) under the rear of the plastic mout (on top of side),

looks and feels better.... will test at the range on saturday.....

thanks again for help.

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  • 1 month later...

I just got an STS last week and had no issues mounting it and sighting it in.

Shot a match with it this weekend. It is an excellent sight.

when you installed the dovetail adapter was it loose? i just got one and it was pretty sloppy, wondering if it will work.

Thanks, Billy

Edited by BMcC
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The part that fits in the dovetail was very loose, but the sight was very solid once it was screwed down.

Got the sts Friday went to the range Saturday. The first few were low adjusted sight about 1 turn and was dead on. The sun was out bright and the 7 dot was easy to see, have a uspsa match next weekend see how i down in competition with it. Got the Taylor 10 round extension for first mag so that should help with less reloads. Did any of you with the sts use blue loctite on the two allen head bolts after sighting in?

Thanks, Billy

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