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HK USP LEM Hammer Hitting Frame?

1145 Views 7 Replies 6 Participants Last post by  Blazer-6
Hey guys I just installed the LEM kit into my fullsize HK USP .40 S&W and it now the hammer hits the plastic frame towards the end of the trigger pull, right before the trigger breaks. The hammer comes back and just barely hits the frame right at the end of the trigger pull. Any ideas on what could be causing this and if so what steps I can do to correct this issue?
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I'm unable to manually force the hammer back that far on any of my three LEM pistols. None is a USP but the USP9C was among those I just checked. A minimum of 1/16" clearance on all three.

-- Chuck
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