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Hmmm im interested in your findings as I have one of these on order and will be installing it shortly. What kind of upper were you using?
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OP - did you use proper lubricant on the threads?
I used moly bearing grease as I do with all my barrel installs. The reading on the wrench was simply wrong. I consistently got the "one blue shim and one black shim"
reading when hand tightening the barrel nut to check the pre toque setting using the black shim as specified.
I then place the blue shim on the barrel and reinstalled the barrel nut to hand tight. applied the wrench at the proper 3 0 clock position and the pre torque notch was far from even with the middle of the receiver.
The only shim combo that allowed the pre-toque notch to line up was both blue shims and the black.
Just thought it was odd and wondered if anyone else has run into issues with the instructions/shims.
ALG doesn't seem too worried about it, just wanted to put my mind at ease that using the 3 shims was not out of the norm.
I basically got the same reading and installed the same shims as this guy with the same results. once all three shims were installed we both got a correct reading for the pre-toque notch and finished torquing the barrel.
But per the instructions (and ALG) this notch on the wrench or supposed to be one blue shim and one back. however both myself and the guy in this vid received the proper reading using both blue shims.
https://www.youtube.com/watch?v=HvM6FGhZAH4
Hmmm im interested in your findings as I have one of these on order and will be installing it shortly. What kind of upper were you using?
Upper is a PSA 20 inch chrome bore ect just a basic PSA with factory barrel.
To be clear, once the three shims were on, the barrel did seem to tighten normally.
most people have no issues with the instructions and standard shim kits. I have gathered by looking around on a few forums that some do have to mix and match shims to get the proper results.
If the shims had worked per the instructions the install would have been super fast and easy. finding the correct shim pack to give the proper reading had me scratching my head for a while though.
Its just weird to read the instructions 100 times and do everything correctly only to come up with different results than described in the instructions.
Not going to lie, there were a few minuted there where I was considering throwing the thing out the window
I'm going to run it as it is since ALG said it should be good to go. although they did your the word "should" which concerns me
If it blows up or I shoot the barrel and rail down range, i''ll post pics