HK USP owners I need help!

[fresno_fj]

I bought a brand new HK USP9 full size. I'm having issues with the gun. From my research it's called stovepipe. So here it is, my first 100 rounds were winchester 115gr fmj. I had 1 stovepipe. The next 250 rounds were federals 115gr fmj. I had about 8 stovepipes. I know that stovepipe failure is a common issue due to a worn extractor or limp wristing. I know I'm not limp wristing because I've been shooting for years and the same thing happened to my brother when he shot the gun also.

Here is a picture I found online.

[OneSevenDeuce]

Did you lube it before firing? 8 stove pipes in 250 rounds seems like a bit much but another things might be that your recoil spring hasn't broken in enough. I wouldn't imagine it is an extractor issue with a brand new gun. Run a couple hundred more rounds through it and see where you are at around 500-700 rounds. Keep trying various ammo. It's not time to panic or call it a lemon yet.

[fresno_fj]

Did you lube it before firing?

Oh yeah.

[Pyrodyne]

Try loading less rounds in the magazines. I bet they aren't broken in yet.

[fifthward]

I have a hk p2000 .40s&w. Ran 500 rounds flawless. Purchased a new magazine, and gun would have a failure to feed after around 100 rounds...similar to your photo. This happened twice.

I purchased a new mag spring from hkparts.net, and Immediately ran 300 rounds straight without a single hiccup. That mag has been flawless since.

Point being, don't rule out the mag spring...cheap to purchase to help deduce what the problem is.

[Rivers]

The only issue I ever ran into with my USPf .45 was caused by the mag springs. Going to the +10% Wulff mag springs resolved everything. (The slide wasn't locking back on the last round with my USP.) Do a web search for Wulff gun springs.

[hoss_hk]

Did you lube it before firing? 8 stove pipes in 250 rounds seems like a bit much but another things might be that your recoil spring hasn't broken in enough. I wouldn't imagine it is an extractor issue with a brand new gun. Run a couple hundred more rounds through it and see where you are at around 500-700 rounds. Keep trying various ammo. It's not time to panic or call it a lemon yet.

^+1 on the recoil spring or ammo. AFAIK magazine springs would cause FTF, not FTE. Stay away from Federal and see what happens. Several thousand rounds later, my USP has never FTE.

[gschoelles]

If the clip was ever dropped a slight bend of the ears will cause issues as well.

[racky]

i had stove pipes my first 200rds. afterthat, i was good to go.

[NoExpert]

I had that happen with a Glock for the first 500 rounds. I replaced the mag springs and it hasn't happened again in the last 2000 rounds. I went with chrome silicone springs.

My HK USP40 just seems to keep running no matter what I do to it.

[fifthward]

I believe hosshk is right. My memory wasn't serving me correctly. My issue wasn't a stovepipe...it was a failure to chamber. The case would eject, but the next loaded round wouldn't chamber and get stuck.

Once I replaced the mag springs...it ran perfect like my other mags

[OneSevenDeuce]

Chainsaw,

I don't think anyone was saying that worn out springs would cause stove piping or failure to eject.

[Greg-Dawg]

Clean and lube it. If problem persist, then have someone knowledgeable take a look at it.

[Teachdaire]

A drop of lube should fix it

I've had that happen to me on a few of my USPs. It might be that your extractor is sticking a bit. You might just need a drop of lube in the right place. Take off your slide. On the top of the slide above the extractor there's a hole. That hole is where the roll pin to hold the extractor in place goes into. Place a few drops of lube in there and then work the extractor a few times to spread the lube around.

[gripdad]

Try a different magazine to determine if it is the gun or the magazine that is the problem.