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  #16  
Old 02-01-2012, 10:18 AM
ssmith

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Thanks for the write up Paper, time to get the benchmark out the safe and do the mod. Excellent Pics also, what camera/lens do you have? I vote sticky!! One question, are there any springs attached to the extractor?

Last edited by ssmith; 02-01-2012 at 10:23 AM.
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  #17  
Old 02-01-2012, 06:45 PM
22's are fun

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Question extractor mod

Thanks for your excellent post I disassembled my newish R-55 after noticing the beginning of the dreaded chip. With mine I would have to remove a lot of metal, maybe .010" or at least .005" to insure the extractor does not contact the barrel! Plus I noticed it is only the sharp edge along the side that's contacting. I guess with a round chambered it must hit as well?
I suppose more than a few people have done this mod and in all cases there is still enough "hook" left to extract, correct?
Another approach would be to weld a bump on the inside of the extractor arm to limit it's travel.
I think a good gunsmith could unscrew the barrel and weld up the missing metal.
I had this very same problem on a custom Marlin 39a and my gunsmith fixed it by reducing the spring tension, which is a flat spring so I don't know if this is applicable with the coil spring on the TC.
I'm going to check my 'smith before I go further, all I did was polish mine and remove the sharp edges with a whetstone. I'll be back! Thanks.
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  #18  
Old 02-02-2012, 04:37 PM
Paper
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Quote:
Originally Posted by ssmith View Post
Thanks for the write up Paper, time to get the benchmark out the safe and do the mod. Excellent Pics also, what camera/lens do you have? I vote sticky!! One question, are there any springs attached to the extractor?
The spring is attached to the bolt.. When you pull the extractor pin, all you'll have in your hand will be the extractor, the pin, and the rest of the bolt..

I was nervous that first time tearing it apart, waiting for the spring to go flying!! Instead, it stays right in the bolt.

The most important thing I'd stress is that you should ONLY remove enough metal from the extractor so it doesn't contact the barrel.. The first time I did the extractor I had a minimal clearance of about .010" or so.. The second time (included in the photo in this write up) I took a bit to much off the extractor tip and it occasionally stove pipe.. So, I'll have to put a dot of weld back on that tip (I've been a TIG welder for 30 years) and then grind it back down.

The first rifle I did with minimal clearance has not had an issue with extracting with any ammo, but the second one doesn't like certain ammo, and I'm sure it's because I took a touch too much metal off the extractor tip.. My bad.. But I can fix it with about 10 minutes of extra work. For those that aren't welders, my suggestion is to be careful when removing metal.. If it takes 3 times of putting the extractor back in and checking for clearance, you're money ahead.

And thanks for the compliments.. My camera is a Nikon 3100 DSLR and the lens is a Nikon 40mm Macro (I love taking those super close up photos)
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  #19  
Old 02-05-2012, 05:57 PM
AL308

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I have 2 Benchmark Classics. I like them a lot, I will get them rebarrelled before I send them back. I did the extractor modification but to avoid hitting the extractor cut, I had to remove quite a bit. Also the edge was very rough, which I polished out with a stone. They work with most ammo but am having some stovepipes with one box of Federal 22's. I wish I could a couple of spare extractors.
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  #20  
Old 02-05-2012, 11:00 PM
ssmith

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I called TC a few months ago and was told I could purchase extractors. Did they recently change this policy? If so, I'm sorry I did not follow through with the purchase. Will try again in the morning.
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  #21  
Old 02-11-2012, 04:17 PM
Tbag
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Well I guess I should play the lottery as great luck would have it my R55 doesn't show any evidence of marking/spotting/pre-chipping.
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  #22  
Old 02-11-2012, 09:12 PM
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I bought a nearly new Benchmark Classic today, just the earliest sign of extractor rubbing was existent, when I put a little rem-oil on it you could no longer even see the shiney rub mark. Anyway, I took it all apart per your excellent instructions and stoned the extractor down so it no longer hits at all. Just went very slowly and put the extractor back in 5 times before I got it so it just clears. Cleaned it good, oiled it lightly and reassembled it. Just finished test shooting it off the back porch and it works perfectly. I think I got it in time and made the needed repairs and now have a very nice gun that should last for years. This is actually the 3rd Classic I have owned and I really like them. 2 have gone back to the factory and I never saw them again so I am happy to have one I can keep. Thank you for the excellent instructions and photos. HJDC
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  #23  
Old 02-13-2012, 05:33 PM
Alan Copeland
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Thanks for the well written and illustrated thread. I re-worked mine today using an emery board.
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  #24  
Old 02-19-2012, 10:29 AM
salbanal
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Well, I did this mod to my TC classic. The chamber was not chopped, just a shiny spot. Instructions were spot on and everything seemed to go well. I took off just enough to keep it from hitting.

What I found, which may not be correct, is that if you put the assembled bolt in the receiver and point the barrel down and let the bolt rest against the chamber, you can tell the extractor is hitting because you are able to push the bolt against the chamber just a hair more. When the extractor is not hitting, the bolt will rest flush against the chamber.

So, all seemed well and I ejected a few rounds in my basement, no problems. Until I went to the range. I only shot 50 Federals (maroon box, 510's I believe) but had three stovepipes.

Anyone else have similar experiences or suggestions?

Thanks.
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  #25  
Old 02-19-2012, 06:51 PM
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Is the process basically the same for a R55 Classic, or are there subtle differences that I should be aware?
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  #26  
Old 02-20-2012, 03:43 PM
Tbag
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Originally Posted by woodchuck4950 View Post
Is the process basically the same for a R55 Classic, or are there subtle differences that I should be aware?
Same
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  #27  
Old 02-22-2012, 08:26 PM
LKEN

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Thank you, thank you, thank you for this photo essay. I had a benchmark that blew out the chamber and they replaced it with a new R55. I've only run perhaps 250 rounds threw it since they replaced it. After reading this thread, I got to checking and sure enough, I've got a shiny spot. In fact, I can feel some peening of the steel o the chamber where it is distorting after these few rounds. I followed the directions here and now it no longer touches. Hopefully, I've just saved myself the hassle of replacement. I hope it lives to a ripe old age.

One thing I'd stress to those attempting this is to darken the areas, both on the chamber and the extractor with a black marker, like a Sharpie, so as you file and test, you can tell when where things are hitting. Might save someone taking off too much material.
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  #28  
Old 02-25-2012, 06:47 PM
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Quote:
Originally Posted by Paper View Post
Now, look at the bolt where the extractor's making contact. This is what we need to eliminate.

Started making the extractor mod to my R55 Classic. Noticed the milled notch in the barrel on the R55 is different from the original Classic. As shown in the picture above, the notch is curved and the extractor is curved to match on the Classic. On the R55 the notch is an angled/beveled surface ... because of this, much more material will need to be removed, not just the "few thou" recommended to achieve the required relief of the Original Classic.
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  #29  
Old 02-25-2012, 07:16 PM
LKEN

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Woodchuck, on my R55, I did not remove much material; it didn't take much to achieve clearance. Certainly not 25-30 thou. Way less than that. The end of the extractor that points toward the muzzle didn't have to be touched at all, only that little portion facing the chamber. In fact, I'd have to say I just changed the angle a bit at the chamber cut out area and that created clearance on mine. Of course, manufacturing tolerances may differ from gun to gun.

I haven't tried mine yet to see if I've created any extraction problems; hopefully tomorrow.
I don't remember exactly what my Benchmark relief cut looked like compared to the R55 I have now.

Edit to add: I ran over 50 rounds, comprised of 4 different ammo styles (CCI SV, American Eagle 40 grain, 510, Wolf MT) through the R55 this morning without a hiccup. No fail to eject, no hangups at all. Fast, slow, real fast didn't matter. I'm very pleased with this solution. As always, your mileage may vary.

Last edited by LKEN; 02-26-2012 at 08:33 AM. Reason: test fired it
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  #30  
Old 05-08-2012, 10:25 AM
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Thanks Paper for the great write up. I emailed T/C about purchasing an extractor in case I screw up the original one and T/C sez that they are out of extractor's for the .22 Classic. Anywhere else to look to get an extractor?
Thank's, Rustedbolt
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