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Forums10
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Jul 28th, 2025
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Joined: Feb 2010
Posts: 617 Likes: 51
Sidelock
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Sidelock
Joined: Feb 2010
Posts: 617 Likes: 51 |
Sorry, no Foss on IGC or any of the 3 Vols by Brown.
Tim
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Joined: Jun 2008
Posts: 2,768 Likes: 115
Sidelock
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Sidelock
Joined: Jun 2008
Posts: 2,768 Likes: 115 |
Jagermeister, the cartridges I post the pictures of are for the chamberless gun. The 'Altro' was a brand model marketed by J. & W. Tolley. Some guns I have seen with very sharp steps at the end of the chambers before the barrel proper were really made for a specific length paper roll crimp cartridge, usually 2 1/2", to provide an even transition for the wads to pass into the barrel. I have most often seen this on German guns. Trouble with those is that they are unforgiving with slightly longer ammo and can cause the ends of the crimps to cut off and up the sensed recoil a bit too. Lagopus.....
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Joined: Jan 2002
Posts: 14,016 Likes: 1819
Sidelock
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OP
Sidelock
Joined: Jan 2002
Posts: 14,016 Likes: 1819 |
I got some more info on the gun this morning, and it seems my memory failed me once again. The gun is believed to have been made by Anson, not Atkin. Also, the price has been lowered since I looked at it Saturday, and I may be interested in it myself. I will be posting some more info and pics on the gun as soon as possible. It is definitely a B'ham gun, with verifying proofs.
Pics were sent to me by text on my Droid phone. As soon as I can figure out how to move them from the text into my phone's gallery I can email them to myself, move them into photobucket, and post the pics. Sorry I'm so slow to figure this out.
SRH
Last edited by Stan; 04/12/16 07:56 PM.
May God bless America and those who defend her.
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Joined: Apr 2012
Posts: 753
Sidelock
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Sidelock
Joined: Apr 2012
Posts: 753 |
If you have internet access on your phone you can load directly to the mobile version of photobucket
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Joined: Dec 2001
Posts: 12,743
Sidelock
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Sidelock
Joined: Dec 2001
Posts: 12,743 |
W W Greener in The Gun & its Development mentioned guns with a sharp step at the chamber end. He also stated the purpose was to do away with the "Jump" across the cone using paper shells. Besides the fat that shells were not held to that precise a length another problem he mentioned was the problem of cleaning the sharp corner at the step, thus leaving a place for corrosion to start.
My understanding of the Chamberless guns were that they used a normal size shell but with a larger bore to accommodate the larger wads of the thin bras shells.
Miller/TN
I Didn't Say Everything I Said, Yogi Berra
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Joined: Jan 2002
Posts: 14,016 Likes: 1819
Sidelock
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OP
Sidelock
Joined: Jan 2002
Posts: 14,016 Likes: 1819 |
So, if these chambers are indeed at least three inches in length, as it looked like they were, would this necessitate the use of long, all brass hulls, carefully measured in length so that they would not exceed the length to the "step"?
SRH
May God bless America and those who defend her.
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Joined: Dec 2001
Posts: 12,743
Sidelock
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Sidelock
Joined: Dec 2001
Posts: 12,743 |
Stan;
This is just my personal opinion with nothing scientific to back it up. I would want to know what the bore diameter was & what the end of chamber diameter was. "IF" the amount of the step is greater than the thickness of the wall of the hull I would not want to risk shooting it. The case of a chamber with a sharp step is one place I would definitely recommend cutting a proper cone.
Miller/TN
I Didn't Say Everything I Said, Yogi Berra
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Joined: Jan 2002
Posts: 14,016 Likes: 1819
Sidelock
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OP
Sidelock
Joined: Jan 2002
Posts: 14,016 Likes: 1819 |
I agree with you, Miller. I looked it over pretty closely Saturday, and I believe there is gracious plenty wall thickness, but haven't actually measured it. The breeches of these barrels are massive in thickness. They look as thick or thicker than my HE Fox. Looking closely at the step-down "cone" it looked to me as if the step itself was no more than the thickness of a brass hull. Certainly no more than a paper one. You could barely feel the step with a metal screwdriver, but it was easy to see it looking through the breeches.
If I ride back over to look closer I will take my bore gauge and actually measure that.
Thanks, SRH
Last edited by Stan; 04/13/16 12:08 AM.
May God bless America and those who defend her.
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