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Discussion Starter #1
I just picked up my first P7. It seems very nice all around, but I have two questions:

First, there seems to be grease of some sort on the gas piston. I assume that this means I should clean both the gas piston and the gas cylinder before I fire the gun?



Second, when I got it home and stripped it I found this on the slide next to the breech block:



I'm not quite sure how I missed this in the shop, too excited I guess. It doesn't seem like this machining is quite up to the standards I expect from HK. The pistol seems to function normally, so should I not get bent out of shape about this?
 

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New gun cosmoline needs a clean. The Slide/block looks the same as any of the dozen P7's i have owned over the years. Clean it, go shoot it and relax.
 

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Discussion Starter #4
New gun cosmoline needs a clean. The Slide/block looks the same as any of the dozen P7's i have owned over the years. Clean it, go shoot it and relax.
thanks, i didn't figure it was a problem, but i wanted to be sure.
 

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Yes I would clean the grease off the gas tube or all the fouling will be attracted to it and that might cause a clog.
 

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Make sure you clean all the grease off the piston and cylinder.

The P7 slides are welded together. If you happen to ever reblue the slide, the welded portions causes a lot of difficulty in bluing especially at the rear face of the slide.
 

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1) Clean the grease off of the piston and out of the cylinder.

2) The slide shell is one piece, the slide internals are a second piece.

3) Congrats on your P7!!!
 

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All is said already, so I just add congrats to Your new pistol, and have a hell of fun with that babe :D
 

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Discussion Starter #9
Thanks for everyone's help. I should have been able to tell the difference between bad machining and a weld, but it wasn't what i was expecting. Also, the only place on the pistol with any cosmoline is the gas piston, so it struck me as a little odd.

I must say I feel like a little bit of a dope. I've spent far too much time around firearms to make these kind of mistakes.
 

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I'm jealous of all you P7 owners :) I saw a PSP at a gun show in Tucson this past weekend (Jan12) and the fellow was selling it for 899. I thought this seemed a bit high for a PSP. Anyways, I just thought I'd vent my jealous emotions on you guys. One of these days... :rolleyes:
 

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Give it a good cleaning and get to the range!
 

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I must say I feel like a little bit of a dope. I've spent far too much time around firearms to make these kind of mistakes.
No you should not feel that way at all. I spent all my life around firearms, but this is the first time I've seen a breach block like this outside of being home grown firearm:

 

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Its typical HK.....they make great 'tools'.
 

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I'm jealous of all you P7 owners :) I saw a PSP at a gun show in Tucson this past weekend (Jan12) and the fellow was selling it for 899. I thought this seemed a bit high for a PSP. Anyways, I just thought I'd vent my jealous emotions on you guys. One of these days... :rolleyes:
Well don't feel too bad, at least you can buy PSPs (can only ppt in CA).
 
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