H&K USP Compact

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BauerCTU

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Id like to say thanks for letting me be part of an awesome community. Im looking for input from people who have owned a usp compact for at least six months.

I recently picked up a usp compact in 9mm. Shortly after bringing the gun home, I was surprised to see that if the slide is locked back and you slam a loaded mag in, the slide would automatically release forward and a round is chambered. I jumped online right away and discovered that nothing was wrong with my gun. Heres whats messed up though. From everything I read, it actually sounds like its pot luck whether or not your usp will do this. Some people are frustrated because they cant get their usp to do this, while others including me wish it didnt function this way. I also read that H&K modified something to try and prevent this but werent successful. I strongly agree with one persons opinion who said he doesnt want his gun doing anything he didnt tell it to do. An experienced shooter knows not to have his finger on the trigger when reloading, but still.. think about it. Plus it takes away the fun of engaging the slide release after reloading. So I appreciate you reading this. Heres what Im looking for. If you own a usp compact in any caliber, please state your caliber, and inform me of whether or not your slide automatically gets released forward if you slap in a loaded clip. You dont have to slap in in hard enough that it hurts your palm, but it has to be somewhat forceful and quick. When I made the discovery, I never thought the gun would do this, so i wasnt hitting it in overly hard for any reason. Also if anyone can suggest anything or confirm for me that changing the recoil spring will resolve this, that would be great. I heard wolff springs and hkpartsonline are great resources for parts but the truth is all the links Ive found online for parts are really bad. Please help! Thanks! I currently own two Berretta 92FS's (one blued/one stainless) and two usp compacts (one 9mm and picking up the 40 S&W next week). Thanks!!!
 
Welcome to THR.

I have the USP 9 and 45 in both the compact and fullsize (i'm a bit of an addict:D )

I have tried to replicate this behavior after reading about, as I, like you, do not think that this is a good thing. What I discovered is that I have to slam a mag in pretty hard for this to happen. I then tried it with my other autos and found that all of them would do this if a fresh mag was slammed hard enough. the way that i see it, and don't get me wrong, I'm not lecturing you here, but we shouldn't be slamming mags in to begin with. That said, I don't know how hard you are insertin the new mag, but mine took way more force than I normally would use. Look in the manual, the say that this "may" happen if a mag is inserted too hard.

I hope this helps

Knoxx
 
I have a 9mm compact, and prev had a 9mm fullsize. I never slam my mags hard enough to get this to happen in any of my guns. So, I can't tell U if my gun would do it or not, if I slammed the mag hard enough. I "change" mags while at the range :rolleyes:

So, I've never had it happen to me.
 
USP40 compact owner here.

Mine does it. I have to be quick and forceful with the magazine though. Do I mind? Not really. I don't think I would bother "fixing" it if there was a way.

BTW....It's a magazine, not a clip! :neener:
 
great feedback

thanks for the comments.. please keep them coming.

heres the deal.. im not slammin the magazine in. i knew id get flac over this. basically, if the cartridge is inserted in one motion, the slide wont release, but if i place the mag in about half way and then slap it in even with minimal force.. the slide will go forward and a new round is chambered. im not asking anyone to sit there and slam a loaded mag in at different speedsto see if it happens, although you know you want to.. ;) hanks again guys, looking forward to hearing more...
 
I dont own a compact but I do own some HKs. A P2000 and a P2000sk to be exact. I love them both. I think HK makes the best guns handsdown. I love HKs more and more everytime I hold one.
 
I currently have a compact9 on layaway but have owned a fullsize40,I sold it and wish I had not.I have owned alot of different handguns but the USPs are IMO the best.I never had my 40 do that but of course never really slamed a mag in.I wouldnt like this behavior either but then again if the situation came where I had to slam my mag in really hard and quick then perhaps it wouldnt be a bad thing!
 
I have a USPC in .45 ACP. It does not do this. But then I have never slammed a magazine into it either. I'm also of the mind that if I ever do slam one into it, it will probably be a good thing if the slide releases by itself, as my life will probably be on the line.
 
check the slide release

closely examine the engagement between the point on the slide release and the notch in the slide. Make sure that it is engaging properly, aka, the point is going all the way up into the notch, and that the friction bearing surfaces are making full contact.

Brain fart... First check your mag. does it do this with all magazines, or just one?
 
I have a couple of the USPs - a Expert 45, USP 45, USP 9 & a USPc 9 and all will do as you have described...it's a feature designed into the firearm ;)
 
i too fall in love with my compact 9 every time i pick it up..

to answer that question, it only happens with loaded mags. never happens with an empty mag.

10-Ring, have you heard that its a feature online or read it somewhere? I can assure after the amount of observation this gun has gotten from me since i bought it two days ago, the slide release is working the way it meant to when it left the factory. Actually Im convinced thats the problem right there.

the truth is, ive had two beretta 92's for years, and this action had NEVER happened on either of them. the first hour i get my uspc9 home the other day, it began happening immediately. After someones post earlier today, i picked up both my beretta's and slammed the mags in harder than i ever have.. harder than i ever would. and yes, it happened on both of them. i know most of u are thinking "this kid needs to stop slammin his mags in his gun". when it happened the first time i didnt pop in in there any harder than you would clap your hands at a concert. and yes thats a good point that if youre bein forceful putting a mag in you probably need your gun to be ready to fire asap anyway, but come on guys. thats not the answer im lookin for. actually when it first happened, my first thought was, damn if that could happen it could probably fire too. i dont know im actually sort of blown away by this, and I know Im not alone after some more research tonight.
with all this said, do you guys think replacing the recoil spring with one that has more tension would prevent the action from taking place as often?
peace!
 
I've got two USP45, USP9, P2000. None of them ever close the slide when inserting mag. I've tried slamming it, it won't do it.
I also read some people have the same thing with Glock. So I slammed hard on my G17, G22, G22, G21, G32. None of them close when inserting.

How do you people do it? Make a video and show me.
 
I have too read that it is a feature of the gun. Obviously, some people have it happejning, and some dont/ I would imagine that the people who don't have it happening are not inserting the mag very hard (this is probably why I have never experienced it). But, as it is a feature if you insert the mag hard enough, there is no way to "fix it" probably. And, if you are not happy w/ it, U may wanna sell the HK and buy another brand.
 
hey gudel

id love to make a short video to show it really doesnt take much in terms of speed or force to get it to do this. ill see if i can find a webcam. in the meantime, thanks for all the input. and in response to getting rid of the H&K, trust me im not anywhere close to that.
 
What's bad about that feature? I can't figure out why you wouldn't want your gun to do that. My CZ 75 BD does that. I love it. It makes for faster reloading, which would certainly come in handy if the SHTF. Plus, it's not like it's going to make the gun fire or something. Just curious why the fear of this feature?

Basically, you insert the mag most of the way, but not all the way. Then you give it a good thump with the butt of your hand, and voila--the slide goes forward.
 
I have a HK P2000sk to which mine does this. I love it. Shooting IDPA, speeds up reloads as well as if I ever need it to save my life, the faster the better...
 
Bauer,

If you think the USPc is good, just wait until you try a P2K.:what: Notice how the USPc's trigger could use just a little smoothening out? The P2K achieves that.
 
oh im sure that gun is sick too.. it was definitely the 24 series that led me to the uspc, what can i say im a crazed fan.

again i understand where u guys are coming from about this being a desireable feature i should welcome but i dont agree with the mentality. H&K's are among the more expensive guns. according to the internet, it sounds like this function is something that developed from slightly poor design. a modification even took place at some point to try and correct it. theres plenty of people on here that share my point of view. i hate people who post and make it sound like their opinion is right and everyone else is wrong. the funny part is, im sure the way my luck works, the day my life is on the line ill slap a new mag in and the slide wont go forward. thats a whole second ill lose when i realize i have to hit the slide release. just playin.. of course there would be a loaded mag already in so it wouldnt be an issue. unless ofcourse im facing a mob. peace out my friends...
 
what can i say im a crazed fan.
Click to expand...

I'm not going to totally get off topic on this one but I think that he also used the P2K as well on Day 5. Hey, you bought the USPc for the same reason that I did!:D

As for the slide/mag issue, I have seen that happen on the majority of Glocks that I have shot. However, it does not do that with any of the guns you see listed in my signature.

But as I see it, train yourself for both scenarios to happen.

Oh, did you know that CDNN has a special on mags? Buy a 13 rounder for $39.99 and get a 10 rounder for free. I have about 16 mags, you can never have enough mags!:)
 
BauerCTU, this happens on my USP .40 compact. If you slam the mag in hard, the action slides forward. If you put it in lightly, it stays open like normal pistols. It alarmed me at first too.

However, I just assumed this was an intentional design by HK for a combat advantage- meaning, if you slam the mag it, the pistol slide goes forward so you are able to fire quicker in a shoot out.

Other pistols I've owned and used- Glocks, Sig, Kimbers, never do this.


An experienced shooter knows not to have his finger on the trigger when reloading, but still.. think about it.
Click to expand...

On a side note: A former student of mine accidentally killed his girlfriend with a Glock 22 committing such a folly. He slammed a mag in and pulled on the trigger as he did, not realizing there was already a round in the chamber. The .40 round bounced off a wall and hit the 16 girl in the back. It lodged in her lung. This is why gun safety is obviously important!
 
I owned a USPc .45, date code KK, for over a year. It did this everytime I'd slam a mag home. Like others have said, the manual clearly states that this may happen if a mag is inserted with a certain force. I understand your not liking it, but I took the position of viewing it as an advantage - almost like one more "self loading" feature of the Universal Self-loading Pistol.

I sold that pistol in a time of financial straits, but if I could I'd buy it back now in a second. The only HK I own now is a P2k in 9mm, and while it doesn't let the slide go forward on a reload, I wouldn't complain if it did.
 
yep thats exactly what im gonna do.. accept and enjoy it..

There is a part in day 5 where he takes a P2K off of Henderson and leaves it for Audrey but Jack himself never uses the P2K. not that Id blame him if he did.
 
My usp40c does it pretty reliably with the right amount of Ommpff applied. I don't mind it. It sure speeds up mag changes from slide lock when you're shooting against a timer.

--usp_fan
 
I'm reading this thread snuggled up with the wife on the couch watching the sc-fi channel.

I had get up and try this with my P2000. If I slam the mag in, the slide moves, but even a good push won't budge the slide. I'm always glad to find out more about my pistol. Thanks.

Back to the T.V.,

Kowboy
 
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