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montanamuzik 05-07-2012 01:29 AM

Large "US" Rimfire
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Dug some new casings this weekend on my place I hadn't found before. The one I am wondering about is the Rimfire on the left stamped simply "US" By "large" I mean larger than a 22. The head is 15/40" or about 9.5mm. Any ideas on age/caliber? Also found a nice UMC Co 12 New Club. (late 1800s maybe) It appears to be unfired. Others I dug this weekend that I hadn't found previously are WRA Co 38-56 WCF, WRA Co 38-55, WRA Co 38 WCF, WRA Co 45-60 WCF, WRA Co 25-35 WCF, WRA Co 32-WCF and a couple very large ones with no markings on head that I can see.

montanamuzik 05-07-2012 01:34 AM

Oh! Length on US rimfire is 23/40" or almost 15mm. Thanks in advance ~ montanamuzik

turtlefoot 05-07-2012 01:42 AM

Just a guess, but your rimfire sounds like it is a .38 extra short. It was made by the United States Cartridge Company. It is a nice old find.

Your UMC New Club will date from 1891-1911 and probably right at the turn of the century.

You have some great calibers there. I am very impressed by your finds.


montanamuzik 05-07-2012 01:50 AM

Thanks Doug. I didn't even know there was rimfires larger than a 22 cal until I started snooping around the internet tonight. Sounds like there were quite a few. I have a gallon ziplock just about full of casings I have found within a hundred yard radius of my place. I don't get much yardwork done with a detector in one hand. Someone must have liked to shoot a lot of different guns here back in the day. (No visible remnants of structures until I recently built) Odd thing is there doesn't appear to be any of these casings that date after the 20s/30s or so? I did find those 1880s military buttons here. Makes me go hrrrmmmmmmmm????.......

turtlefoot 05-07-2012 01:57 AM

It would make me go just about nuts wondering what had gone on there. I see that you found what looks like a .45-70 too. It is the one on the bottom left. Is there any markings on it? I am wondering if there might have been an outpost near you.


montanamuzik 05-07-2012 02:29 AM

Just looked through the pile. I have a few of the ones you refered to as possiby .45-70s. The are a ittle over 8mm on the head, and a hair under 40mm in length. None of the ones like that have any markings on the heads. I don't THINK they are wore off as these in particular aren't coroded too badly. If there was ever any stamp, it must have been very light but I can inspect them with a lighted loupe and not see any remnants of any stamp at all. I'm fairly well versed on local history and to my knowledge there wasn't any documented military activity from that time period on my property. Not that everything was accurately documented but I don't think anything major. After detecting here for severa weeks now there is signs of a homestead I believe. Big iron stakes, square nails, broken glass, horse shoes. I did find a 99 IH and a 1910 Barber dime as well. I wish I had detected prior to building as I have had a fair amount of excavation, septic/drainfield, driveway etc. I might have had a ittle better idea of what lied where. I do have to have a dozer back here at some point to move topsoil around, eve some ditches and such so am looking forward to that. I'm sure new targets will be exposed.

montanamuzik 05-07-2012 02:33 AM

The bad news is the majority of my finds have been right aong the new boundry to the property I lost to the X. (She got 15 acres, I got 5) DOH!

Voriax 05-07-2012 10:42 AM


Originally Posted by turtlefoot (Post 1246061)
Just a guess, but your rimfire sounds like it is a .38 extra short.

Guess you meant .32 Short RF. It's case length is nominally 14,22mm and max diameter at the rim is 9,47mm. So pretty close.


Dirtfishin 05-07-2012 11:02 AM

Those are some cool finds indeed...

turtlefoot 05-07-2012 02:17 PM


Originally Posted by Voriax (Post 1246285)
Guess you meant .32 Short RF. It's case length is nominally 14,22mm and max diameter at the rim is 9,47mm. So pretty close.


The reason that I said .38 extra short is I thought the OP was saying that the neck was 15/40 or .375 which is close to the 38 extra short (.370) and the length being 23/40 or .575 where the .38 extra short is .575. Sorry if I misunderstood.


Voriax 05-07-2012 03:14 PM

Yeah, it is easy to misread those numbers..been happened to me few times too..spent some time hunting down some cartridge case and then I realize I've misread dimensions... Hm..I really should write some guidelines about cartridge/bullet id..


Old Nuke 05-07-2012 04:25 PM

Looks a .32 short rimfire to me as well. I have an old Marlin Model 1897 .32 rimfire lever action with a square firing pin.

montanamuzik 05-07-2012 08:50 PM

Sorry if I confused anyone with my dimensions. I have an old set of calipers from Germany and inches are divided into 40 segments. Not sure if that's the norm or not.

montanamuzik 05-07-2012 08:52 PM

So is that what that bald headed casing is? A .45-70? (based on the dimensions I gave) Just curious. Thanks for the replies.

clgman001 05-07-2012 09:35 PM

Cool finds,well done.

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