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Posted: 6/9/2018 7:25:57 PM EDT
I took my 300 blk out again today and for the second time my UTG mount became loose. I know UTG is cheap. I have two mounted on a 5.56/.223 AR so I assumed it would work on this 300 blk. Is it possible to tighten the base of it so it has a tighter fit on the rifle or do I need to buy a better mount?
Link Posted: 6/9/2018 7:31:06 PM EDT
Try a small dab of blue loctite on the threads.
Link Posted: 6/9/2018 8:07:20 PM EDT
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Originally Posted By INMY01TA:
Try a small dab of blue loctite on the threads.
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Dumbass question where are they?
Link Posted: 6/9/2018 9:56:10 PM EDT
Link Posted: 6/9/2018 11:29:09 PM EDT
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Originally Posted By Tigwelder1971:
Is it a riser mount? Quick detatch?

If so, over tightening will break the twist knob.
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QD. Similar to this https://leapers.com/index.php?act=prod_detail&midx=1363&allids=1363&itemno=M3D56100R2
Link Posted: 6/9/2018 11:42:53 PM EDT
Link Posted: 6/10/2018 2:26:04 PM EDT
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Originally Posted By Tigwelder1971:
Cool, the crossbars have locking plates that are tension controlled via adjustment screws. Open the qd levers, adjust the allen heads and you should be gtg. They should close/lock to your top rail pretty damn stiff.

Another possibility to consider, your top rail may be out of spec, and the mount is adjusted as far as it can be. Just thinking out loud.
https://www.AR15.Com/media/mediaFiles/416992/20180609_223626-571024.png
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Sounds good. Thanks!
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