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AR15.COM
9/25/2006 3:03:14 PM EDT
I installed a new ambi-saftey on my USP45 Tactical and the weapon will not decock.  Does anyone know why it does not work now?

Thanks,
srt205
9/25/2006 5:04:53 PM EDT
[#1]
First let's assume it was not a V3 or V4 to begin with and was a V1 which actually has a decock feature.  If this is the case then it has to be installed wrong or is binding in some way.  Take it down and look at it again paying close attention to making sure the detent plate, pin, and spring are in correctly.  That pretty much has to be the problem, something out of whack in the detent assembly.
9/25/2006 7:10:46 PM EDT
[#2]
Get a bigger ball peen hammer for reassembly..............    
9/25/2006 10:20:34 PM EDT
[#3]
It is a variant 1,  the ambi-safety that I bought was for a compact model.  The Dealer told me it would work in the full size and the only difference was the safety I bought was slimmer.

srt205
9/26/2006 2:11:39 PM EDT
[#4]
He was correct.  Quite a few go from the full size to the Compact safety levers because they are thinner.  That is not the problem.