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Discussion Starter #1
Just got back from the range and everything went smoothly with my HK45T. With my P30 and VP9, not so much. I'm hoping you guys could help me diagnose the problem.

I'll have to ask to bare with my terminology because being that I never shot suppressed and my first guns were an HK45t and P30, I've never experienced a single issue until today.

So the major issues while shooting suppressed were the gun jamming and when I rack the slide, with some force, an empty casing comes out. The second was a double feed. That cause a bullet to get jammed into the VP9 pretty good and took a bigger RO than I to get it out.

This is the first time I've ever shot 115gr ammo in 9mm and I'm wondering if that's the issue. Have you guys ever shot this round suppressed and experienced the same issue? Is there a recommended round or gr when shooting suppressed?

PS, I wouldn't recommend buying a rugged can if you are shooting with HK pistols. I think because they are lh it causes an issue when trying to tighten it. When you tighten the can on the barrel it actually loosens the spring retainer which is very frustrating. You're essentially tightening and loosening at the same time.
 

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I do not have a RO suppressor but I have several other brands. The issue is the ammo, Winchester "suck" box has always been hit or miss with me. I know plenty of people shoot it, but I have a lot more issues with it as compared to Federal ammo. The only Winchester Ammo I use is 124 NATO, but I don't recommend it in a handgun.
 

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I usually shoot 124gr or 147gr when running my VP9 suppressed. I've never had an issue running it suppressed with American Eagle 115gr, but subsonic loads are the quietist.
 

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Discussion Starter #4
I usually shoot 124gr or 147gr when running my VP9 suppressed. I've never had an issue running it suppressed with American Eagle 115gr, but subsonic loads are the quietist.
What sub loads do you shoot? I was about to but 1,000 rds of 9mm but now that I will be shooting suppressed I think I'll need to find something and make sure it works
 

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why would you shoot 115 through a suppressor anyways? Why wouldn't you shoot sub loads?
 

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Discussion Starter #8
why would you shoot 115 through a suppressor anyways? Why wouldn't you shoot sub loads?
I'm ordering bulk next week and just got my suppressor an wanted to shoot it. I'm like a child who can't wait to play with his toy. 115gr was the only 9mm available at Walmart and ****s near me
 

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My first 60 rounds or so through my P30 and Obsidian 45 was using 115gr WWB, since it was all I had on hand at the time the suppressor had arrived. My P30 threaded barrel is also in LH and I didn't experience any issues with loosening or failures. The 115gr WWB is noticeably louder than subsonic ammo (and also seems to be dirtier ammo, leaving quite a bit of residue in the can). My preferred LGS has Speer Lawman 147gr and I buy Fiocchi 158gr online to shoot 9mm suppressed.
 

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Discussion Starter #10
My first 60 rounds or so through my P30 and Obsidian 45 was using 115gr WWB, since it was all I had on hand at the time the suppressor had arrived. My P30 threaded barrel is also in LH and I didn't experience any issues with loosening or failures. The 115gr WWB is noticeably louder than subsonic ammo (and also seems to be dirtier ammo, leaving quite a bit of residue in the can). My preferred LGS has Speer Lawman 147gr and I buy Fiocchi 158gr online to shoot 9mm suppressed.
Well that's a little concerning. I'm thinking once I get the tool to tighten the spring retainer it should be less of an issue. I'm a little more concerned about the 115gr wwb working for you and not me. What normally causes these kinds of issues? I'm new to suppressors so not really sure why it would work for you and not me.
 

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Cool, I understand that completely.

First, as stated, WWB isn't the best, try with other ammo to rule that out (preferably subsonic). Next, having the can properly tightened should help. This shouldn't be a thing limited to just the Rugged since most if not all HK barrel threads are left hand. Third, if you aren't already, use teflon tape/thread tape/plumber's tape (or whatever you want to call it) to keep your can from loosening after a few rounds. Finally, you don't mention it, but if you aren't already, grab some wire pulling gel to run your can wet, makes a night and day difference.

Not sure what others do, but I also run my weapons with a little extra lube when I shoot suppressed, which is always. Oh, and if you want some awesome subsonic ammo, get the Hush ammo from Freedom.
 

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Well that's a little concerning. I'm thinking once I get the tool to tighten the spring retainer it should be less of an issue. I'm a little more concerned about the 115gr wwb working for you and not me. What normally causes these kinds of issues? I'm new to suppressors so not really sure why it would work for you and not me.
That's a good question; I'm curious to hear others with the same combo chime in. Personally, I'm not surprised to hear you had issues with the VP9, given the return to battery issues I've read online, usually associated with lighter ammo, but I've also never experienced those issues shooting 115gr with my VP9.

H&K USA's phone number: (706) 568-1906
The site I have been using for Fiocchi 158gr ammo: https://swfa.com/fiocchi-shooting-dynamics-9mm-luger-50rd-ammo-1.html
 

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Discussion Starter #13
Cool, I understand that completely.

First, as stated, WWB isn't the best, try with other ammo to rule that out (preferably subsonic). Next, having the can properly tightened should help. This shouldn't be a thing limited to just the Rugged since most if not all HK barrel threads are left hand. Third, if you aren't already, use teflon tape/thread tape/plumber's tape (or whatever you want to call it) to keep your can from loosening after a few rounds. Finally, you don't mention it, but if you aren't already, grab some wire pulling gel to run your can wet, makes a night and day difference.

Not sure what others do, but I also run my weapons with a little extra lube when I shoot suppressed, which is always. Oh, and if you want some awesome subsonic ammo, get the Hush ammo from Freedom.
Awesome info. Thank you. Hush ammo is definitely going to be purchased. I'm just afraid to purchase in bulk without running it first.

Let me ask you a question as you sound knowledgeable. What pistol issues should I look into if I continue having failures?
 

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Suppressed or not, light weight underpowered range fodder can give any 9mm fits.
Use full power quality brass cased 124/147 gr and you should be fine.
Seems like sub sonic 147 gr would be your best bet with a suppressor.
 

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I would try different ammo and make sure your suppressor is tightened properly before I start worrying about other issues. Rule problems out one at a time. What Barth said is good info.
 

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Discussion Starter #16
I would try different ammo and make sure your suppressor is tightened properly before I start worrying about what-if's. What Barth said is good info.
fair enough. I think I'm going to do what I always planned on doing. 147gr for the range and 124gr for hd and carry.
 

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one last question, is this a VP9 Tactical? HK threaded barrel or some other?
 
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