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AR15.COM
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7/16/2013 9:24:18 AM EDT
Hey guys how are the fail zero bolts? Are they HP and MPI tested?
7/16/2013 9:32:03 AM EDT
[#1]
What does the product description say?  From what I have seen, if they don't point it out, it isn't done.  That is a huge selling point, and it hardly cost any money to type it into an ad.
7/16/2013 10:32:22 AM EDT
[#2]
shot peened and mpi, not mention of hpt
7/16/2013 10:41:11 AM EDT
[#3]
Quoted:
shot peened and mpi, not mention of hpt


Lot of places batch unless specified.  I really think people over think the HPT and MPI it does not guarantee a flawless bolts just checks for surface issues and major issues with the bolt.  

I would like to actually see real statistics on whether they fail less or more than batch ones.  All but one of my bolts is done and the one done has more mileage than any other bolt.
7/16/2013 10:50:06 AM EDT
[#4]
I have one in my go to AR and like it a lot.
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