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  #1  
Old 01-22-2010, 10:25 PM
noyo55 noyo55 is offline
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Default Colt New Service, 455 Eley, Ammunition??

I have a VERY good Colt New Service in 455 Eley that I inherited 30 years ago and have never shot--it's time. I have been told that 45 auto placed in half moon clips will fire in it. I would hate to ruin the gun as It may never have been fired ! Will this work or shall I bite the Bullet and buy contemporary ammunition? Much more expensive than the auto .
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  #2  
Old 01-22-2010, 11:32 PM
dfletcher dfletcher is offline
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If 45 ACP in moon clips will work then the gun has been modified, a pretty common occurance when the guns came back to the US. If it's been modified to take ACPs the 45 AR will work and you don't need the clips.

If the gun has not been modified, then 45 ACP will not fit - the 455 had a very thin rim. I'm not sure how to check - if there were any numbers on the face of the cylinder they would have been shaved off if it were turned down to accept the ACP - someone will come along soon with more and better info.

Whether it's original 455 or ACP, very nice gun.
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  #3  
Old 01-23-2010, 3:48 AM
littlejake littlejake is offline
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Quote:
Originally Posted by dfletcher View Post
If 45 ACP in moon clips will work then the gun has been modified, a pretty common occurance when the guns came back to the US. If it's been modified to take ACPs the 45 AR will work and you don't need the clips.

If the gun has not been modified, then 45 ACP will not fit - the 455 had a very thin rim. I'm not sure how to check - if there were any numbers on the face of the cylinder they would have been shaved off if it were turned down to accept the ACP - someone will come along soon with more and better info.

Whether it's original 455 or ACP, very nice gun.
Exactly right. FYI -- 45 AR means 45 Auto Rim. 45 AR is hard to find these days.

On a .455 Webley MK VI, you check the length of the cylinder using a dial caliper; should be 1.500 inches.

For the Colt, if the gap between the breech face and cylinder is about the thickness of a quarter, then it's been cut for .45 ACP in clips or .45 AR. It would be a much smaller gap for .455 -- as pointed out, the .455 brass has a rim only slightly thicker than the thickness of a case wall.
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Old 01-23-2010, 8:34 AM
J-cat J-cat is offline
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Also, the groove diameter of the .455 is larger and will lead like mad if used with .452" bullets.
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Old 01-23-2010, 9:47 AM
B Strong B Strong is offline
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Quote:
Originally Posted by littlejake View Post
Exactly right. FYI -- 45 AR means 45 Auto Rim. 45 AR is hard to find these days.

On a .455 Webley MK VI, you check the length of the cylinder using a dial caliper; should be 1.500 inches.

For the Colt, if the gap between the breech face and cylinder is about the thickness of a quarter, then it's been cut for .45 ACP in clips or .45 AR. It would be a much smaller gap for .455 -- as pointed out, the .455 brass has a rim only slightly thicker than the thickness of a case wall.

Correct.

If it's in .455, try Old West Scrounger for ammo or brass:

http://www.ows-ammo.com/catalog/

Actually, Old West is a great resource for all old, obsolete ammuntion.
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Old 01-23-2010, 10:29 AM
dfletcher dfletcher is offline
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Quote:
Originally Posted by J-cat View Post
Also, the groove diameter of the .455 is larger and will lead like mad if used with .452" bullets.
FYI, there's an on line company that sells bullets - Penn Bullets - and they will size the "45" cal bullets anywhere from .451 to .456 I believe. They take a while to deliver so I buy in bulk, but their 45 caliber 225 grain full wadcutter is great in the 45 ACP revolvers. I use them in a Smith 25.
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Old 01-23-2010, 11:38 AM
noyo55 noyo55 is offline
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Default 455 eley ammunition/New Service colt

Thanks for the advice. I did the quarter test and it appears that you are right about the cylinder being turned down as it is a hair wider than the quarter. It also shows rub marks on the receiver that look like the width of the half moon clips. With the clips in w/45acp the cylinder closes with no problem. I assume that if it were not turned down it would not close???
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  #8  
Old 01-23-2010, 12:10 PM
dustoff31 dustoff31 is offline
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Quote:
Originally Posted by noyo55 View Post
Thanks for the advice. I did the quarter test and it appears that you are right about the cylinder being turned down as it is a hair wider than the quarter. It also shows rub marks on the receiver that look like the width of the half moon clips. With the clips in w/45acp the cylinder closes with no problem. I assume that if it were not turned down it would not close???
Correct.
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  #9  
Old 01-23-2010, 6:28 PM
littlejake littlejake is offline
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BTW -- I'd love to see some photos of the Colt!
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Old 01-23-2010, 6:49 PM
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smle-man smle-man is offline
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Go easy on that New Service; no hot rounds for it! Standard GI or even a bit less is best. I have a SW 1917 that I use auto rim cases and handload pretty mild loads for it. These old revolvers were made when metallurgy wasn't at the level of today.



My New Service in .45 Colt



The SW 1917 (Brazil contract) in .45 auto/auto rim
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Old 01-24-2010, 7:22 AM
tatso7 tatso7 is offline
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On the Cabelas website they have ammo available for 455 webley mark II made by hornady. I dont know if this fits your gun.
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  #12  
Old 01-24-2010, 7:37 AM
littlejake littlejake is offline
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There ares still commercial sources of .455 available. However, with the back face of the cylinder cut down in a lathe to accommodate 45 ACP / 45 AR, the .455 would have too much headspace.

The .455 is not a solid head case and I envision several problems trying to use .455 in a modified revolver.
  1. Ruptured cases
  2. Failure to fire because hammer energy is used to push the round forward in the headspace slop

BTW -- you probably noticed the star is exceptionally thin -- a side effect of cutting the back face of the cylinder.
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