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1907 SL
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Maverick
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August 17, 2026 - 9:48 pm
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Bert H. said

Jeremy P said
What ammo were you using? A friend is trying to get his to function and we think it’s ammo. Do you have a set of calipers by chance? Would like know overall length of the cartridge 
  

351-Winchester-SLF.jpg

Bert,

Your drawing is a little pixelated! I like mine better because its not so pixelated, its older (1908), and plus its in French! So why not?

351-Winch-SL-ML-1907-WRA-SL-1908.jpg

Sincerely,

Maverick

P.S. Enjoy converting it from Metric!

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TXGunNut
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August 18, 2026 - 12:19 am
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Interesting tidbit from the McCracken Library.

 

Mike

 

p17097coll30_5174_small.jpg

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Smokeless powder is a passing fad! -Steve Garbe
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MidwestCrisis
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August 18, 2026 - 1:59 am
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TXGunNut said
Interesting tidbit from the McCracken Library.
 
Mike
 

  

I’m unfamiliar with the library, how does one access it?

I got this old girl apart and boy howdy does she need a bath.  I think I’m the first one this deep in 100 years. I guess you only get bragging rights for that.  
IMG_2520-1.jpegIMG_2522-1.jpegIMG_2523.jpegIMG_2521-1.jpeg

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Bert H.
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August 18, 2026 - 2:04 am
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Please let us know how long it takes you to reassemble it, how many skinned knuckles you end up with, and how many times you cuss at it… I know from experience that they do not go back together nearly as easily as they come apart!

Bert

WACA Historian & Board of Director Member #6571L
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MidwestCrisis
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August 18, 2026 - 2:21 am
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Bert H. said
Please let us know how long it takes you to reassemble it, how many skinned knuckles you end up with, and how many times you cuss at it… I know from experience that they do not go back together nearly as easily as they come apart!
Bert
  

I was thoroughly warned by Zeb.  I’m going to epoxy the fore stock tonight. Give it 24 hours and plan to clean and reassemble Wednesday or Thursday morning with a fresh pot of coffee and full strength positive attitude.  I’ll keep you updated. 

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TXGunNut
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August 18, 2026 - 2:23 am
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I’m unfamiliar with the library, how does one access it?-MidwestCrisis

 

The McCracken Research Library is located below the Buffalo Bill Center of the West in Cody, WY. Of interest to the Winchester collector it contains Winchester company archives and drawings. Some materials are available online. 

 

Mike

 

McCracken Research Library – Buffalo Bill Center of the West

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Smokeless powder is a passing fad! -Steve Garbe
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Presbyopia be damned, I'm going to shoot this thing! -TXGunNut
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August 18, 2026 - 2:38 am
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TXGunNut said
I’m unfamiliar with the library, how does one access it?-MidwestCrisis
 
The McCracken Research Library is located below the Buffalo Bill Center of the West in Cody, WY. Of interest to the Winchester collector it contains Winchester company archives and drawings. Some materials are available online. 
 
Mike
 
McCracken Research Library – Buffalo Bill Center of the West
  

Thanks Mike, I just ordered a new buffer from eBay.  The original was absent.  I think you can see remnants of it in my previous picture.  Hopefully it arrives soon and I can give a report before the weekend.  

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Maverick
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August 18, 2026 - 10:26 pm
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TXGunNut said
Interesting tidbit from the McCracken Library.
 
Mike
 

  

https://library.centerofthewest.org/digital/collection/p17097coll30/id/5174/rec/17

Here is the actual length to the webpage.

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TXGunNut
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August 18, 2026 - 10:48 pm
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Maverick said

TXGunNut said
Interesting tidbit from the McCracken Library.
 
Mike
 
  

https://library.centerofthewest.org/digital/collection/p17097coll30/id/5174/rec/17
Here is the actual length to the webpage.
  

Thanks, the site didn’t allow a high-resolution download. I happened across the image while looking for a drawing of the 351 SL round. 

 

Mike

Life Member TSRA, Endowment Member NRA
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Smokeless powder is a passing fad! -Steve Garbe
I hate rude behavior in a man. I won't tolerate it. -Woodrow F. Call, Lonesome Dove
Some of my favorite recipes start out with a handful of depleted counterbalance devices.-TXGunNut
Presbyopia be damned, I'm going to shoot this thing! -TXGunNut
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Zebulon
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August 19, 2026 - 12:19 am
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If anyone needs confirmation  that converting the rimless .223 Remington case to a .351 WSL case is a less-than-good idea, this cutaway should be dispositively convincing. 

Look carefully at the chamber profile and note:

1. The presence of a milled recess at the rear of the chamber proper, for the vestigial rim of the semi-rimmed .351 case. The contact between this recess and the case rim is the only contact that provides positive headspace. 

2. The complete absence of any bullet seat a/k/a “hard stop” against which the case might headspace on its mouth. 

The only way a converted. 223 case can headspace is by being held by the gun’s extractor. While this will work some of the time, it only has to not work once, in which case the firing pin may not reach the firing pin — if you are lucky. 

If the case is not held in proper headspace by the extractor but seats further forward into the leade, creating excessive headspace, but not beyond the reach of the firing pin, the case may rupture and jet gas, powder particles and miniscule zots of brass out the bottom of the action and through the shooter’s trigger finger, while some it squirts through the takedown port into his eyes. 

The odds are the extractor will keep the case where it should be or, if it doesn’t, the gun won’t fire. People apparently convert 223 cases for this use and not all have been blinded.  

But it is not safe to do. 

- Bill 

 

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"I have seen wicked men and fools, a great many of both, and I believe they both get paid in the end, but the fools first." -- David Balfour, narrator and protagonist of the novel, Kidnapped, by Robert Louis Stevenson.

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