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Posted: 9/7/2023 11:24:00 AM EST
Friends,

I inherited a revolver from my uncle and do not know what it is or what round it shoots.
It is double action and the wheel appears to have similar dimensions to my .44 Magnum. But it is labeled as a Colt Army.

Thoughts?
Thanks in advance.  







Link Posted: 9/7/2023 11:26:01 AM EST
[#1]
probably 45 Colt...easiest way is to take it to a gunsmith or you could write Colt and for a fee they will send you an achieve letter with it's date of manufacture and shipping.
Link Posted: 9/7/2023 11:27:03 AM EST
[#2]
It looks like one I used to own...45 colt, also called 45 long colt.  The cylinder latch indicates was made by Colt.
Link Posted: 9/7/2023 11:37:17 AM EST
[#3]
Heavily bubba'd Colt 1917
Link Posted: 9/7/2023 11:46:58 AM EST
[#4]
Colt New Service
If it's marked 1917 does that make it a 45ACP? Barring any customization.
Link Posted: 9/7/2023 11:47:52 AM EST
[#5]
Rampant colt on the side plate if you zoom in.

Probably at one time a tremendously rusty piece of shit and some one polished it right down to no more rust pits. Refinished it.
Probably shoots just fine although someone should check the timing, push off, etc..
Link Posted: 9/7/2023 12:39:02 PM EST
[#6]
Link Posted: 9/7/2023 12:48:47 PM EST
[#7]
Being a 1917 revolver and with no Britt markings, it started life as .45 ACP.   The cylinder may have been replaced to make it .45 Colt as it looks funny for .45 ACP.  Try a .45 ACP round in one of the chambers.  If the cartridge slides deep into the chamber, then it is .45 Colt.  Step in the chamber looks quite deep for .45 ACP and there does not seem to be sufficient space between the back of the cylinder and the recoil shield for the ACP rounds when the cylinder is closed.
Link Posted: 9/7/2023 1:07:51 PM EST
[#8]
Thanks, everyone, for the great information.  Seems like the consensus is 45 Colt.
Link Posted: 9/7/2023 1:09:05 PM EST
[#9]
Possibly, .455 webley and may have been reamed to work with 45 colt

Link Posted: 9/7/2023 3:29:37 PM EST
[#10]
How long is the barrel on it?  i know Canada had a bunch made up with 6 1/2" barrels, most in .455, but about 10% in 45LC prior to WW1.  Either way, it will be a shooter more than collector.  Looks like it had serious polishing done to it, or even sandblasting, and another finish applied.  On the Canadian i had there were several broad arrow proof marks.  It was in similar shape.
Link Posted: 9/7/2023 5:54:32 PM EST
[#11]
Bubba did get his hands on it as has been mentioned. Front sight has been reshaped, whole gun has been ground down and parkerized. Grips look like good wood but maybe a missing escutcheon.

If it has been reamed for .45 Colt, keep the loads mild. Stay away from the modern big power loads intended for Rugers and such.
Link Posted: 9/10/2023 10:07:08 AM EST
[#12]
The barrel looks to be a replacement (numrich or Christie). It looks like it was originally a 1917 .45 ACP. Those chambers look altered, or a replacement cylinder in .45 Colt.
Link Posted: 9/10/2023 11:28:28 AM EST
[#13]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
The barrel looks to be a replacement (numrich or Christie). It looks like it was originally a 1917 .45 ACP. Those chambers look altered, or a replacement cylinder in .45 Colt.
View Quote


I agree the clambering does not appear to have been completed in a single machining process as it would have been.
Link Posted: 9/11/2023 6:36:47 PM EST
[#14]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
The barrel looks to be a replacement (numrich or Christie). It looks like it was originally a 1917 .45 ACP. Those chambers look altered, or a replacement cylinder in .45 Colt.
View Quote


I agree. One must remember that .45ACP was an uncommon civilian caliber well into the mid 20th Century while .45 Colt was more common. It seems like a dumb conversion sitting here in 2023 when .45ACP is in every sporting goods store, but it made a lot of sense circa 1930.
Link Posted: 9/11/2023 7:46:17 PM EST
[#15]
Pretty rough. A bubba’d 1917. From the looks of the extractor likely modified to 45 colt from the original ACP.
Link Posted: 9/15/2023 8:25:46 AM EST
[#16]
The front sight looks like it has been screwed in. Might want to look underneath to see if they drilled a hole clear through the barrel and then threaded it.
Link Posted: 9/16/2023 12:55:46 PM EST
[#17]
looks like a bubba-modified M1917. I'd be careful, there are parts on that revolver that do not look like they should be there. Looks like it was modified to be .45 Colt, but it could also be any number of other rimmed rounds like .455 Webley or one of the several .44 rounds common in the early 20th Century. I'd have a gunsmith look it over and see if whoever did the work chambered the gun properly and set up the timing correctly. At the very least get the actual inside diameters of the chambers and bore before shooting it. It is not unheard of for old .45 colt barrels to be made for a different bullet diameter than we'd expect today.
Link Posted: 9/29/2023 7:22:14 PM EST
[#18]
Bubba.

The cyl is Brit marked and prob not original to a 1917 marked gun.

This is the typical cyl mod to convert 455 to 45LC. Ream chambers out and slight counterbore for rim to clear shield because rims are much thicker than 455 rims..

A 45 ACP cyl already has a big gap you wouldn't need to do that if LC conversion is even possible on 45ACP cyl.
Link Posted: 9/30/2023 5:14:48 PM EST
[#19]
I love old guns but, that looks like trouble. The FP strikes between chambers have me wondering if the timing is bad. Also, the fitment of the extractor star is AFU.
Link Posted: 9/30/2023 8:55:50 PM EST
[#20]
The dimples on the cylinder do not look like firing pin strikes. Where they are located not centered enough to line up with a primed cartridge. Looks more like index marks or some sort of in-house inspection mark.

Take it to a reputable gunsmith, check for cylinder timing, headspace, and cartridge type. May be a fully serviceable firearm
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