[BevrFevr]

what could be the causes?

Thanks -bevr

[Mulliga]

It's probably the extractor spring or the recoil spring, though it's possible that simply cleaning behind the extractor thoroughly may help. If your luck is really bad, then you might need a new extractor or ejector.

How frequent are the failures, and how bad are they (just stovepipes, partial extraction, or extractor jumps the rim of the cartridge)? Have you tried different mags and ammo?

[AndyC]

Overly light loads for the existing recoil-spring (not enough oomph to ram the slide back completely), insufficient tension on the extractor or badly-shaped extractor (claw slips off the case-rim), short/broken ejector (not long enough to push out the case)...

See what happens when you cycle the slide by hand - if that works fine, the ejector is fine and typically the loads are just too light (although the same thing can happen with extremely heavy loads, too - rare, but it happens).

[BevrFevr]

Years ago I swapped out the factory recoil spring for a wolf and It may have been a pound of two heavier but I don't remember. I think it was having trouble feeding before, that is why I swapped springs to start with.

It happens with all mags and all ammo.

I'll swap the old one back in and see if that helps.

Thanks all!

[Gary G23]

Extractor spring. Get a Wolff.

[BevrFevr]

I got off my duff and contacted CZ and they are sending me a new extracter and and stronger spring. I hope it does the trick.

I need to have my confidence restored. It is a terrible feeling to love something so much but to know it may not be what I think it should be. I really love this gun.

I moved up to 147gr. wwb and my groups improved last night but still had a malf.

Can anyone help me with the procedure for changing this out.

My ?'s

Do I drive the pin out from the top or bottom?

What size punch do I need?

Should I use steel or brass?

Any tricks I should use?

All help is welcome!

Thanks to all! -bevr

[Navy87Guy]

You ought to try over on the CZ forums. There are two -- www.czforum.com and www.czshooters.com. I know CZ Shooters has a gunsmithing forum -- there may even be directions posted there already.

I love my CZ 75BD, too. I'm practicing with it this week and I'll be using it in a USPSA match on Sunday. I'm really looking forward to putting my little piece of Czech steel to work!

Jim

[kart racer]

The pin is knocked out top to bottom.I just replaced the extractor spring on mine.Oh,some are a pain in the a-- to get out.If I rememebr right it was a 1/16 punch I used.

[railroader]

BevrFevr, the new extractor should do the trick. My 75b ran great for years and then it started acting like your pistol. I replaced the spring and extractor and it runs like a top again. Mark

[Gary G23]

top
1/16"
steel (get a good one like a Craftsman, the cheap ones will break immediately)
Don't be afraid to whack the hell out of it.
CZ's don't like 147gr ammo. The chamber is too short. 124gr is perfect.

[BevrFevr]

I agree on the 124 but I was trying to see if the heavier round would help with ejection. Maybe my groups just tightened up because I knocked some of the rust off my technique. I have not been regularly shooting in some time.

It is good to be at it again. -bevr

[Gary G23]

Let me rephrase. The 147gr comment was concerning reliability. I've used 115gr and 124gr in my CZ's. Both are reliable but the 124 is noticeably more accurate.

When you reinstall the extractor make sure it is lined up before you hammer in the extractor pin. A second set of hands will help out a lot. I normally hold the slide and press the pin against the workbench to make sure it starts before I start hammering.

[robertbank]

Having exactly the same problem with my CZ 85. Sending gun to a 'smith. Tried knocking the pin out, broke my pin punch in the process. Sounds like I need either a new extractor or spring. My gun will work fine but in 100 rounds it will have failures once or twice. No reason to it either. Can happen on the first round or the last. Might even be a case of just cleaning out gunk under the extractor arm but getting that pin out is another matter.

Take Care

[Gary G23]

"Might even be a case of just cleaning out gunk under the extractor arm but getting that pin out is another matter."

Good point to bring up. Anytime you change extractors or springs be SURE to clean the extractor channel.

[Gordon]

The Wolffe extractor spring is the bomb! You can get a magnifying glass and tell if the extractor hook is damaged without disassembly! My SP-01 loves 147 grain ammo, as do I!

[Tom C.]

I had a similar problem with my CZ-75. The first time, I replaced the extractor. The second time, I checked how well the extractor fit. The extractor should hold a case against the breach face with extractor tension alone (with the slide off the frame and barrel out of the slide). Mine wouldn't. There is a pad on the extractor to allow it to be fitted to the frame. I filed that pad to increase the extractor tension on a case. Once I had done that, extraction and ejection were perfect, and accuracy also improved.

[jayhway]

When I was test firing I had 5 FTE's in 50 rounds when shooting with 115gr WWB. From what I've read CZ's dont really like 115gr ammo.

[atblis]

Some people have had problems with the WWB. I've had a couple FTEs with it. The last couple thousand rounds have been fine.

FWIW, I haven't found the 124s to be any more accurate than the 115s

[Walt Sherrill]

There is a pad on the extractor to allow it to be fitted to the frame. I filed that pad to increase the extractor tension on a case. Once I had done that, extraction and ejection were perfect, and accuracy also improved.Adjusting the extractor to let it close more fully makes good sense, but I can't really understand how modifying the extractor could affect accuracy...

The round should have the correct headsapce when the slide is shut (unless the extractor was oversize and too long), whether the extractor is in place or not.

[AndyC]

Perhaps accuracy improved because he was finally able to quit worrying about the FTEs ;)

[BevrFevr]

I thought I was the only one. All I read about here are the 100% reliable cz's but it seems a number of us have had to deal with this before.

On the 115, 124, 147 grain ammo. I have shot lots through my gun and 124 is, with most manufacturers, noticibly more accurate but not any more reliable. YMMV.

Thanks for all the helpful advice! I will try for fix this myself and if that don't work it will probably be retired or sent in. It's a toss up. I need something more reliable just for peace of mind.

Thanks! -bevr

[Walt Sherrill]

The only problem we hear much about on the CZ Forum is extraction. I comes up MOST OFTEN with Winchester White Box Value Pack, and sometimes with CCI Blazer.

CZ's extractor springs are apparently weak -- and a bunch of us have replaced them. There's also a problem with build up of gunk underneath the extractor in the slide, which can sometimes be cleaned out (without removing the extractor) using a spray cleaner and/or solvent.

Get a better punch. (Drive the pin out from the TOP of the slide down through the slide. The opening is tapered and it won't work the other way.) The pin is sometimes staked on the underside, so it take a strong punch and a lot of hefty blows.

Winchester White Box Value Pack 9mm, the last time I looked, (and its been a couple of years) had a DIFFERENT extractor groove than most ammo, and different from the regular WWB. It is angled on both sides of the "V" so that extractor has a harder time getting a good grap. The groove looked more like a "<" than a "/_".

The new Wolff extractor spring seems to solve the problem in nearly all cases. The fix above (taking some metal off the pad) seems to be a good possible fix for some, too.

[Crashola]

My experience seems to follow Walt's statements. The only time I had this problem involved a combination of a dirty CZ75 and the value pack WWB ammo. Since then, as long as I keep the area under the extractor clean or use something other than the value pack ammo, I have had zero problems. Maybe I should get a new extractor spring to solve the problem for good.

[BevrFevr]

Can you recommend a good spray cleaner that is safe on the polymer finish?

I hesitate to use gun scrubber and the like for fear of harming the finish. Is it safe?

[dleong]

I hesitate to use gun scrubber and the like for fear of harming the finish. Is it safe?
Gun Scrubber is perfectly safe and will not harm the polycoat finish on your CZ.

Alternatively, you could use non-chlorinated brake cleaner, which is essentially what Gun Scrubber is, but at a quarter of the cost.


DL

[BevrFevr]

I have used the break cleaner trick before on blued guns. I accidently lost some paint on a gun before with it.