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Discussion Starter #1
After watching the Falcons loose another game yesterday, I took my brand new Q5 Match to the range. Only had 30 minutes before closing so was only able to put 90 rounds through it.

In those 90 rounds, I had about 3 or 4 jams. That is NOT very good!

Naturally, I use a cheap ammo at the range.

MAXXTECH
Caliber: 9mm
Bullet Weight: 115 Grain
Bullet Type: Full Metal Jacket Projectile
Muzzle Velocity: 1150 fps
Muzzle Energy: 323 ft/lbs Boxer primed
New Reloadable Brass Cases

Anyone had issues running cheap ammo through their PPQ M2/Q5??

Taurus PT99, Sig P938, Glock 19 seem to run it just fine...

Also, the slide didn't lock open when firing the last round in the mag. It fulled cycled as if it had another round in the camber. Anyone had that issue too??

Thanks,
JB
 

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Also, the slide didn't lock open when firing the last round in the mag.
JB
There's your clue. That's probably because the slide isn't going back far enough for the slide lock to catch the cutout in the slide. What that means is, your ammo is a little on the weak side.

No matter what the listed specs are for this 'cheap' ammo....its obviously a little too weak to run in your Q.

I'd say the aggravation is not worth the $1.00 savings per box.
 

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I would shoot a few more rounds, maybe a 100 or so . I have shot over 15 kinds of ammo ,from subsonic to +p. Never had a jam.The only thing that has happened while shooting is my thumb hits the slide lock,making it not cycle.Is the bullet jamming in there sideways.
 

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Discussion Starter #4
First impression was the slide spring seemed unusually stiff. Maybe another 100-200 rounds will break it in and free things up a bit.
 

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Discussion Starter #6
There's your clue. That's probably because the slide isn't going back far enough for the slide lock to catch the cutout in the slide. What that means is, your ammo is a little on the weak side.

No matter what the listed specs are for this 'cheap' ammo....its obviously a little too weak to run in your Q.

I'd say the aggravation is not worth the $1.00 savings per box.

I could use a hotter round for a while. That will certainly speed up the break in period. Then I can go back to the cheap stuff later and see what happens.
 

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^^^^Sounds like a plan. I have no doubt you issue will go away with better ammo. And yes, at some point, after the springs have taken a set (loosened up a little) your Q should be able to shoot the cheap stuff.
 

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I could use a hotter round for a while. That will certainly speed up the break in period. Then I can go back to the cheap stuff later and see what happens.
I'm kind of in agreement that the ammo isn't quite hot enough. You can also leave the slide locked back a couple of nights at a time to help loosen up the spring. Maybe go with some blazer brass 124gr, that's fairly cheap to get if you shop around online.
Good luck :)
 

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Never run junk Ammo in a race gun. Try 124gr or heavier and I bet you won’t ever have a issue. As a general rule:: long slides or heavy slides always run more reliable with heavier grain bullets.
 

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Discussion Starter #13
Agree - I've never had a cycling issue with the Q5, ever.

What kind of ammo did you typically run through it in the beginning?

I see folks recommending higher weight/hotter rounds, which makes perfect sense. But I also see folks with Q5s that have not had this issue even with lighter loads??
 

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My PPS and both PPQs have been flawless with numerous types of ammo from cheap Russian steel to spendy SD ammo? 115 to 147 grain. Soft Freedom Munitions reloads as well.

Load your magazines to capacity and leave them loaded for 3-4 days so the springs take a set. This may solve your problems.
Regards,
Jeff
 

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You can also leave the slide locked back a couple of nights at a time to help loosen up the spring. Maybe go with some blazer brass 124gr, that's fairly cheap to get if you shop around online.
Good luck <img src="http://www.waltherforums.com/forum/images/smilies/smile.gif" border="0" alt="" title="Smile" class="inlineimg" />
locking back the slide won't do anything even if it was locked back for 20 yrs. Compressing a spring does not cause a spring to loosen. Only cycling a spring will do that. That's why you can leave magazines fully loaded for years (rust free) and they will function just fine. Compression causing a spring to lose its "spring" is a myth.
 

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Discussion Starter #16
My PPS and both PPQs have been flawless with numerous types of ammo from cheap Russian steel to spendy SD ammo? 115 to 147 grain. Soft Freedom Munitions reloads as well.

Load your magazines to capacity and leave them loaded for 3-4 days so the springs take a set. This may solve your problems.
Regards,
Jeff
IF I have a spring issue, it's going to be in the slide spring not the magazines. Thanks for the feedback on the ammo Jeff!

I'm going to put another 100 or so rounds through it before I start tinkering.
 

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If you are a prime member, TargetSports.com has 9mm Remington brass for under 16 cents a round, with free shipping. Thats about as cheap as I have seen 9mm brass. 9mm steel is about 14 cents a round, Russian stuff.
 

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Discussion Starter #18
If you are a prime member, TargetSports.com has 9mm Remington brass for under 16 cents a round, with free shipping. Thats about as cheap as I have seen 9mm brass. 9mm steel is about 14 cents a round, Russian stuff.
For range ammo, my typical price target including shipping is 20 cents/rd. That certainly beats that. Will check it out!
 

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locking back the slide won't do anything even if it was locked back for 20 yrs. Compressing a spring does not cause a spring to loosen. Only cycling a spring will do that. That's why you can leave magazines fully loaded for years (rust free) and they will function just fine. Compression causing a spring to lose its "spring" is a myth.
You can believe what you want to, it's a free country.
But in my experience, my new guns rack the slides easier (and some of them have been pretty damned stiff) after a couple of nights of being locked open, rinse and repeat, before their round counts got into the break-in periods.
 

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I have not used the brand ammo which you list. But, I have used a large variety of brass cased ammunition brands and bullet weights in both range and self defense power levels in my PPQs. Including my Q5 Match. That one now has 2K rounds through it without a single bobble of any kind.

I won't speculate on the cause of the problem you are experiencing since I don't really know. But, I do not think it is a problem commonly found in the PPQ regardless of the version. I own three Qs and they are all beautifully made and perfectly functional. The PPQ is my pick of all the brands and models of polymer framed striker fired handguns that I own or have owned.

OP, good luck in finding a solution.
 
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