Dating Colt O frame upper units
New member here.
I would like some help from some of you experts on dating two Colt upper units - one .22 and the other .45.
The .22 has vertical serrations and is marked "Colt Service Model Ace .22 long Rifle". I have read the very informative thread that was posted here 5/05/09 - 5/11/09, and from it I understand that my slide is from a SM Ace pistol, not a conversion unit, even though it came to me without a receiver. Here are the features that are different from the versions described in the thread I just cited: 1) The ejector is machined, but there is no pin or wire to hold in place, and no place for the wire to attach to the barrel. There is, however, a groove in the ejector where the wire would go. 2) The rear sight is not Stevens, Eliason, Coltmaster, nor Accro, but rather Micro.
The .45 slide is a pre-Series 70 commercial model, even though it came to me on a re-blued GI receiver. The distinguishing feature is that the top has a grooved flat portion about 1/4" wide, not raised up like some of the later Colt models, but flattening out the normally rounded slide top. The sights are also different, being a lot higher than usual, the front being a patridge style, and the rear a fixed square notch (of course the sights could be replacements).
Any ideas? Thanks in advance.
I would like some help from some of you experts on dating two Colt upper units - one .22 and the other .45.
The .22 has vertical serrations and is marked "Colt Service Model Ace .22 long Rifle". I have read the very informative thread that was posted here 5/05/09 - 5/11/09, and from it I understand that my slide is from a SM Ace pistol, not a conversion unit, even though it came to me without a receiver. Here are the features that are different from the versions described in the thread I just cited: 1) The ejector is machined, but there is no pin or wire to hold in place, and no place for the wire to attach to the barrel. There is, however, a groove in the ejector where the wire would go. 2) The rear sight is not Stevens, Eliason, Coltmaster, nor Accro, but rather Micro.
The .45 slide is a pre-Series 70 commercial model, even though it came to me on a re-blued GI receiver. The distinguishing feature is that the top has a grooved flat portion about 1/4" wide, not raised up like some of the later Colt models, but flattening out the normally rounded slide top. The sights are also different, being a lot higher than usual, the front being a patridge style, and the rear a fixed square notch (of course the sights could be replacements).
Any ideas? Thanks in advance.
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Hello If you will post pictures it would make our job MUCH easier that aside when I get home from work and get my books out I may be able to help They changed the FONT of the roll stamp many times and we may be able to get the job done. 0
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