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1/25/2018 7:38:29 AM
Posted: 10/15/2002 12:45:43 AM EST
My USP seems to be uncooperative sometimes. Sometimes the upper slide will come forward when I insert a loaded mag after firing the last round---sometimes not. I want it to come forward to load the first round EVERY time.

There also seems to be some excessive "free play" in the trigger before it starts to engage the internals of the gun. Nothing seems to be worn. I am trying to figure out how to eliminate this "free play" and maybe even lighten the trigger pull at the same time.

HELP!!! Anyone got any bright ideas? Thanks so much in advance.
Link Posted: 10/15/2002 4:41:03 AM EST
"Jumping" the slide catch when a loaded mag is inserted is not a feature designed into the gun. Virtually all double column mag pistols can be made to do this if you slam the mag in hard enough. It may look way cool, but it is not what you want to happen for several reasons. If you are not careful with your trigger finger, for instance, it can...and has...lead to AD's.

The "free play" in your trigger is there to insure that the mechanisn works correctly under service conditions by allowing everything to correctly re-engage when the slide slams home after firing. H&K sells a target trigger assembly for around $100 (plus whatever it costs for an install) that can fix this to a great degree, but ,typically, target parts are not something you would want on a service type weapon.
Link Posted: 10/15/2002 8:40:09 PM EST
Thanks for the info. You are correct in saying I do not want target parts on a service pistol. Is there any way to avoid this "jumping" of the slide so that I am not always worrying what it is going to do?
Link Posted: 10/16/2002 3:48:39 AM EST
My understanding is that newer USP's have the slide catch notch cut back at more of an angle than older ones (which have a 90 degree notch) to help prevent this. You might contact H&K and see if this is something they can / will do for you. Also, you might go to the H&K Pro website and ask there...some of those guys are REALLY into H&K's.

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