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Thread: Some notes on HPT/MPI

  1. #51
    Join Date
    Jun 2006
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    Quote Originally Posted by Luke_Y View Post
    I know that some knowledgeable folk suggest that HP testing of bolts may slightly decrease its lifespan.
    I think it probably does. However, I'd rather have 100 bolts that I know are good and good to 5000 rounds (for example) than 100 bolts, of which 3 may fail at low round counts and 97 of which are good to 6000 rounds (again, just an example).

  2. #52
    Join Date
    Mar 2010
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    I don't see anywhere on DD's website that they mention HPT on their barrels, just that they MPI on site. Description of bolt mentions all tests/inspections.

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