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As stated in earlier posts, the round from the magazine does not slip under the extractor claw until it is totally pushed forward out of the magazine and is central to the bore and half way into the chamber.

The extractor on my CZ550 is cut away so much at the bottom that this very thing described above is exactly what happens to mine. Whereas on my other "real" Mausers, the rim slides under the extractor and becomes controlled by it before it has popped out of the magazine, on my CZ550, the round sort of pops out of the magazine and slides under the extractor as a fast "1,2" series of events.

However, the round cannot be extracted until it is almost all the way in the chamber. In fact, if the bolt is herky-jerky thrust forward, it is possible to get the round to get ahead of the extractor and then jam in the chamber without being grabbed by the extractor. Pressing on the side of the extractor allows it to snap over. This is a rare occurence in normal operation but can and has happened.

I consider my CZ more a controlled extraction than controlled feed.

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Yes, tophet, exactly. I see mine the same way in that after the round is chambered fully it can be extracted under control of the extractor and not lost as occurs with a Remington 700 as soon as a plunger-type kicks it out or something similar to that. In this regard my 550 is more like my SAKO AV.

Here's the rub;

According to CZ, Tatume's gun is wrong. The extractor is not supposed to snap over. The action is supposed to be "controlled feed".

But in reality, since these guns do not have controlled feed of the magazine cartridges, his condition seems preferable than mine, due to the rare-but-possible condition I described above, since mine is not only not controlled feed, but won't snap over either.

I am curious if there are other extractors out there that might not be as heavily undercut as the 550 and would fit the CZ550 bolt and would thus return the rifle to its proper condition. A day rooting thru my gunsmith's Mauser drawers might uncover something?

Before anyone asks, I feel somewhat more confident in my own adjusting skills than I do in sending this rifle to CZ for "adjustment". It may come to that, but my experience with them in the past indicates that I might better just keep my own paws on my gun, and their's off.

Zim, thanks for asking and breathing some new life in this thread.

Maybe others will function test their guns and see how they actually work. I am really curious as to the DG guns. I would NOT want my condition on a DG rifle. It is possible that a larger case {H&H or Rigby or 505-size} might function differently.

The test should include some back-and-forth movement of the bolt when chambering a round to determine at what point, if ever, the cartridge rim comes under grasp by the extractor.

Maybe I can shoot some pix of when a real Mauser grabs a case, vs. what the CZ does. The CZ is more akin to a SAKO AV or Ruger than a Mauser 98. In fact, Tatume's rifle seems about spot on a older Ruger, tho many of the newer Rugers seem to act similarly.

Thanks for the post here.



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Edited by 9ThreeXFifty7 (01/09/08 12:30 AM)

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