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Discussion Starter · #1 ·
Hi!

This is my first post. I wanted it to be post praising my very first HK firearm - a HK USP 9mm, full size V1 w/night sights which I got couple of weeks ago and shot it with overlapping points of impact just a few millimeters from the point of aim, on the very first magazine - I was stunned by the accuracy of it from the very first shot. Anyway... instead of that, this post will be a P7 question.

I am planning to get a P7 and an extended threaded barrel to accept a silencer. I can get a fluted as well as a non-fluted barrel for it (HK will do the installation for me).

Question: what difference does the fluting make? Would it have anything to do with accuracy/reliability? Since the price difference is such that I would lean toward the non-fluted, I have to know before I place the order.

Thanks!
 

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Welcome JudgeUSP! :D

The USP is definatly a good gun!


As for the P7:

The fluting aids in extraction, to the point where the P7 will still extract the cartridge without an extractor installed! (although its not a good idea to try this)

The P7 was designed to be used with a fluted chamber, because of the gas piston, but i suppose like the MP5 clones, its may not really effect extraction becuase of the lower pressure.

SOmeone with far more experiance than I, should hopefully be along shortly to help you. ;)
 

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Are those factory barrels? I wasn't aware of any non-fluted factory P7 barrels. As a rule, HK won't install any non-factory parts. Check with Jeff or Travis in Trussville to make sure.
 

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the P9s(even though talking P7) used both flutted and non flutted barrels, they changed in the mid 70's I guess. But I was told the non flutted would be better for a supressor....why I dont know.
 

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Discussion Starter · #5 ·
Thanks guys!

I did talk to Jeff from H&K. He was very helpful and courteous and said that their armorer would do it and that it would cost $130. The extended barrel is $325/$375 (non fluted/fluted respectively). Plus the P7 I want is some $800... all together it would cost ~$1300 to have a P7.
The reason I want a P7 with extended barrel is for it to be legal in both US and Canada since every few years I change residency due to my work requirements and I have to worry about that 106mm + barrel length which P7 missed by 1mm.

But now I'm having second thoughts about P7 and thinking about a USP9 SD instead... $900 cost vs. $1300... hmmm...
 

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Thanks guys!

I did talk to Jeff from H&K. He was very helpful and courteous and said that their armorer would do it and that it would cost $130. The extended barrel is $325/$375 (non fluted/fluted respectively). Plus the P7 I want is some $800... all together it would cost ~$1300 to have a P7.
The reason I want a P7 with extended barrel is for it to be legal in both US and Canada since every few years I change residency due to my work requirements and I have to worry about that 106mm + barrel length which P7 missed by 1mm.

But now I'm having second thoughts about P7 and thinking about a USP9 SD instead... $900 cost vs. $1300... hmmm...
Is this for a P7 PSP or a M8/M13?
 

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Discussion Starter · #9 ·
Top grade P7 PSP ~ $800 (with like-new finish).
Threaded barrel ~$370
Installation $130
-----------------------------
Total = $1300

I'm thinking about buying something else...
 

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Is this for a P7 PSP or a M8/M13?
It's for a P7 PSP.
Do they utilize different barrels?
I believe the PSP and M8 use the same barrels. The barrel on the M13 is slightly different though. When I purchased my threaded, extended HK barrel and had ML SecPro install it, I was told that is had to go into an M8, despite my preference for it to go into an M13. The reason the gunsmith told me is that there is a slight difference in the ramp for the M8's and the M13's. I would assume the M8 and the PSP to be identical though.
 

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Discussion Starter · #11 ·
Thank you diesel1959!!!
How much was the barrel? How much was the installation? Was it worth it?

I'm trying to justify this purchase. Otherwise, I'll just go ahead and buy a HK45 despite the fact that I REALLY want a P7.

Thanks again!
 

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Thank you diesel1959!!!
How much was the barrel? How much was the installation? Was it worth it?

I'm trying to justify this purchase. Otherwise, I'll just go ahead and buy a HK45 despite the fact that I REALLY want a P7.

Thanks again!
For the barrel and the install, I paid more than you'd spend for a used PSP.
 

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I know the P7M8 is legal in Canada, i think the PSP is also, if they have the barrel length the same.
 

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Thanks guys!

I did talk to Jeff from H&K. He was very helpful and courteous and said that their armorer would do it and that it would cost $130. The extended barrel is $325/$375 (non fluted/fluted respectively). Plus the P7 I want is some $800... all together it would cost ~$1300 to have a P7.
The reason I want a P7 with extended barrel is for it to be legal in both US and Canada since every few years I change residency due to my work requirements and I have to worry about that 106mm + barrel length which P7 missed by 1mm.

But now I'm having second thoughts about P7 and thinking about a USP9 SD instead... $900 cost vs. $1300... hmmm...
Judge,

Where did you find the barrels? I'm in the market for one as well. Thanks
 
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