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Winchester patent chamber insert (Read 13640 times)

shoothog Participating Member Offline Posts: 34 Location: Lima, OH Joined: Jul 6^th, 2004	Winchester patent chamber insert Mar 9^th, 2017 at 3:19pm	Print Post
	I found this among some 32-40 brass. Thought it was a nickel case until further investigation.


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shoothog Participating Member Offline Posts: 34 Location: Lima, OH Joined: Jul 6^th, 2004	Re: Winchester patent chamber insert Reply #1 - Mar 9^th, 2017 at 3:25pm	Print Post
	Other side


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Schuetzenmiester Frequent Elocutionist Offline Posts: 6707 Location: Cool Wet Side of WA Joined: Apr 27^th, 2008	Re: Winchester patent chamber insert Reply #2 - Mar 9^th, 2017 at 3:34pm	Print Post
	What are they used for? Go no go gauge?

	"some old things are lovely, warm still with life ... of the forgotten men who made them." - D.H. Lawrence
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rodneys Oldtimer Offline Posts: 690 Location: Central Oklahoma Joined: Mar 2^nd, 2015	Re: Winchester patent chamber insert Reply #3 - Mar 9^th, 2017 at 3:50pm	Print Post
	Is that a sub caliber adapter so you can shoot a pistol cartridge in a rifle?


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waterman Frequent Elocutionist Offline Posts: 2845 Location: Behind the Redwood Curtain Joined: Jun 9^th, 2004	Re: Winchester patent chamber insert Reply #4 - Mar 9^th, 2017 at 3:51pm	Print Post
	The idea was to be able to use low powered revolver cartridges in your center-fire rifle for practice, plinking, etc. They were made in several .30 and .32 calibers. Ken Waters did a rather detailed article on them. It is in his Pet Loads book.


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BP Frequent Elocutionist Offline Posts: 8039 Location: Westside Joined: Aug 27^th, 2006	Re: Winchester patent chamber insert Reply #5 - Mar 9^th, 2017 at 4:07pm	Print Post
	Those were called the "Winchester Supplemental Chamber". The 32-40 and 32 Win Special used the 32 Colt cartridges. The 30 WCF, 30 ARMY (Krag), 30 Gov't 1906, 303 Savage and 303 British used the currently more readily avaikable 32 S&W cartridge. The 405 used the 41 Short Colt. Have two originals for the 30 WCF, and once asked Rocky Mountain if they could make up some of the others, but they said Nope.

	There are three kinds of men: The ones that learn by reading, the few who learn by observation, and the rest who have to pee on the electric fence and find out for themselves. Proud Noodlehead
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calledflyer Frequent Elocutionist Offline Posts: 3587 Joined: Mar 9^th, 2015	Re: Winchester patent chamber insert Reply #6 - Mar 9^th, 2017 at 5:13pm	Print Post
	I have a supplemental chamber for my .30 US that uses rimfire blanks and .30 cal lead bullets that you finger seat to shoot. I tried a few and found them reliable, but not so accurate in my ol' highwall. I have one of the Winchester versions but never tried it out.


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Jeff_Schultz ASSRA Board Member Offline Posts: 1612 Location: Ransomville, NY Joined: Apr 25^th, 2004	Re: Winchester patent chamber insert Reply #7 - Mar 9^th, 2017 at 5:31pm	Print Post
	Well, that's quite a find! I'll bet it's worth more than the rest of the brass, unless we're talking about bushels of 32-40 brass. They must have been woefuly inaccurate, the Colt cartridge using a .313 bullet. Good enough for a slaughterhouse though.

	"We have met the enemy and he is us." Pogo “There is no situation so bad that it cannot be made worse." Confidence- The feeling you get before you fully understand the situation.
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JLouis Frequent Elocutionist Offline Posts: 10625 Joined: Apr 8^th, 2009	Re: Winchester patent chamber insert Reply #8 - Mar 9^th, 2017 at 6:11pm	Print Post
	Jeff that is what had me wondering as well and that being how would a .312 bullet work in the 32-40's .312 bore diameter. Mann has stated on occasion that bore diamter bullets proved to be more accurate than groove so it makes me wonder how well the Long Colt bullets actualy shot? Then again I don't understand fully how the case adapter actually worked so could someone please explain the entire process of it's actual use.

	" It Is Better To Now Have Been A Has Been Than A Never Was Or A Wanna Be "
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BP Frequent Elocutionist Offline Posts: 8039 Location: Westside Joined: Aug 27^th, 2006	Re: Winchester patent chamber insert Reply #9 - Mar 9^th, 2017 at 6:16pm	Print Post
	Jeff and John, Which 32 CF Colt's are you thinking of, the outside lubed versions, or the inside lubed versions? If the bullet hit qtr-minute of bunny, grouse, etc, they were accurate enough for their intended purpose.

	There are three kinds of men: The ones that learn by reading, the few who learn by observation, and the rest who have to pee on the electric fence and find out for themselves. Proud Noodlehead
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Flatlander Oldtimer Online Posts: 605 Location: Warm Arizona Joined: Apr 24^th, 2004	Re: Winchester patent chamber insert Reply #10 - Mar 9^th, 2017 at 6:46pm	Print Post
	I also understand Marbles made them as well. I believe I saw a display on them at a collectors show many years ago and thought it was an interesting idea. Flatlander

	NRA Life ASSRA Member 3197 Charcoal Burner
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BP Frequent Elocutionist Offline Posts: 8039 Location: Westside Joined: Aug 27^th, 2006	Re: Winchester patent chamber insert Reply #11 - Mar 9^th, 2017 at 6:56pm	Print Post
	I've seen the Marbles versions, but seem to recall them being designed differently with the cartridge being towards the front of the adapter, so your firearm's firing pin struck a transfer pin which then struck the primer of the cartridge. Winchester positioned the cartridge at the rear of their supplemental chambers, so the firearm's firing pin struck the primer of the cartridge directly, and there wasn't any tranfer pin to get lost somewhere in the brush.
	« Last Edit: Mar 9^th, 2017 at 7:02pm by BP »
	There are three kinds of men: The ones that learn by reading, the few who learn by observation, and the rest who have to pee on the electric fence and find out for themselves. Proud Noodlehead
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Redsetter Frequent Elocutionist Offline Posts: 3468 Location: New York Joined: Aug 6^th, 2013	Re: Winchester patent chamber insert Reply #12 - Mar 9^th, 2017 at 7:24pm	Print Post
	BP wrote on Mar 9^th, 2017 at 6:56pm: ...there wasn't any tranfer pin to get lost somewhere in the brush. Not likely--it's retained by a screw. Never had one (though I've always wanted to try one out), but there's a cross-sectional drawing in my 1905 Marble's catalog. It's actually called "Brayton's Auxiliary Cartridge." By positioning the bullet at or near the origin of the rifling, accuracy ought to be better than with the other design, though probably not great in either case. But not much was expected, as the idea was to use them for pot-shooting small game while hunting big game, like fool-hens perched on a limb a few yards away.


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Jeff_Schultz ASSRA Board Member Offline Posts: 1612 Location: Ransomville, NY Joined: Apr 25^th, 2004	Re: Winchester patent chamber insert Reply #13 - Mar 9^th, 2017 at 7:44pm	Print Post
	BP wrote on Mar 9^th, 2017 at 6:16pm: Jeff and John, Which 32 CF Colt's are you thinking of, the outside lubed versions, or the inside lubed versions? If the bullet hit qtr-minute of bunny, grouse, etc, they were accurate enough for their intended purpose. What's the difference?

	"We have met the enemy and he is us." Pogo “There is no situation so bad that it cannot be made worse." Confidence- The feeling you get before you fully understand the situation.
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BP Frequent Elocutionist Offline Posts: 8039 Location: Westside Joined: Aug 27^th, 2006	Re: Winchester patent chamber insert Reply #14 - Mar 9^th, 2017 at 7:50pm	Print Post
	Bullet diameters and base cavities?

	There are three kinds of men: The ones that learn by reading, the few who learn by observation, and the rest who have to pee on the electric fence and find out for themselves. Proud Noodlehead
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