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Shipping was prompt and the o-rings solves the problem of screws backing out.
These o-rings work perfectly. No need to use loctite.
The products arrived I install them. Brian you make awesome quality products my friend!! I'm Changing all my 1911's
I've bought O-rings from other vendors. The Challis O-rings are significantly better than the others, and last much longer. Worth the cost to keep grips from working loose while not being over tightened.
Will be using on all my 1911's. Makes the grips rock solid without over torquing. Plus keeps the screws from backing out.