Author Topic: Cimarron's 1862 pocket police conversion update  (Read 5647 times)

Offline ammodave

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Re: Cimarron's 1862 pocket police conversion update
« Reply #25 on: November 18, 2019, 05:10:34 pm »
I know this is an old thread but did this ever come to fruition?

Offline Abilene

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Re: Cimarron's 1862 pocket police conversion update
« Reply #26 on: November 18, 2019, 06:20:00 pm »
I think a first shipment came in a while back and sold.  Seem to recall Oklahoma Tom reported getting one somewhere in these pages?

Offline Johnson Barr

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Re: Cimarron's 1862 pocket police conversion update
« Reply #27 on: November 20, 2019, 06:44:29 am »
I got one from Bryan (Okla Tom) at 3B Shooting Supply. We've been working on a project to modify .38 Short Colt brass to operate in the .380 ACP cylinder chamber. Length of the .38SC was cut down to match the .380 case OAL and the .38SC rim was turned down just enough to chamber in the cylinder. Effectively we created a .380 Auto Rim case from .38SC brass. I've had a few successions at the range and used it in a couple of main matches. Still fiddling with getting the point of impact lower. Current mods included replacing the itty-bitty front sight with a Pietta 1851 cone sight and opening up the hammer notch rear sight. It's a fun little shooter and pretty damn sexy with the long 6" barrel. Kind of has Patterson lines. I like it!
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Offline ammodave

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Re: Cimarron's 1862 pocket police conversion update
« Reply #28 on: November 20, 2019, 01:02:36 pm »
Forgive me for being a newb, but what is the advantage to creating a .380 auto rim case?  I really like this little revolver,  have you considered shortening the barrel to 3"?

Offline River City John

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Re: Cimarron's 1862 pocket police conversion update
« Reply #29 on: November 20, 2019, 01:38:10 pm »
It looks great with that 6" barrel length.

Too bad the .38sc couldn't be used without modification. It'd be a much simpler solution. My next project is to open up the hammer notch on my Police. Not sure about changing out the front sight post, though.

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Offline Tuolumne Lawman

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Re: Cimarron's 1862 pocket police conversion update
« Reply #30 on: November 21, 2019, 10:29:34 am »
Why not .38 short colt. Case only .003? different than 380.  Load a 90 grain .355 and a grain or two of trail boss, and there you go.  If the rims were a little too big, just scallop them on one side to interface with the other rims.  I saw someone do that with 44 Russian brass in a .44 Colt ASM.  Maybe run the 38 colt brass through a.380 sizing die, then chamfer the cylinder for the slightly oversized base that doesn't go into the die.
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Offline pony express

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Re: Cimarron's 1862 pocket police conversion update
« Reply #31 on: November 21, 2019, 08:55:51 pm »
Why not .38 short colt. Case only .003? different than 380.  Load a 90 grain .355 and a grain or two of trail boss, and there you go.  If the rims were a little too big, just scallop them on one side to interface with the other rims.  I saw someone do that with 44 Russian brass in a .44 Colt ASM.  Maybe run the 38 colt brass through a.380 sizing die, then chamfer the cylinder for the slightly oversized base that doesn't go into the die.

The .38 Short Colt is longer than .380, if you ream the chambers for the SC, then .380 won't work anymore. But you can just trim the .38 SC to fit, since they're mostly a handload only caliber anyway.

Now if VTI or somebody would just start carrying barrels for it, you could have a whole set, 6", 4", 3" and maybe a "Coffinmaker Special" cut off just in front of the barrel wedge.

Offline Tinker Pearce

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Re: Cimarron's 1862 pocket police conversion update
« Reply #32 on: November 22, 2019, 01:21:58 am »
I think .38 S&W would be a better candidate- Brass is Easier to come by.

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Re: Cimarron's 1862 pocket police conversion update
« Reply #33 on: November 22, 2019, 08:39:08 am »
Case and rim diameter even larger on the .38 S&W.  Just no room in these things for conventional revolver cartridges. Good marketing demands you chamber something folks can buy off the shelf and shoot as is, even most handloaders don't like modifying cases.  Folks like us are "special".  That and .380 is a hot Self Defense round right now, which possibly expands sales appeal to other than the Cowboy niche.
Civilize them with a Krag . . .

Offline Tinker Pearce

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Re: Cimarron's 1862 pocket police conversion update
« Reply #34 on: November 22, 2019, 10:26:48 am »
Good points. I think on reflection, being that kind of special, a good choice to shorten for this might be .38 Special.

Offline Drydock

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Re: Cimarron's 1862 pocket police conversion update
« Reply #35 on: November 22, 2019, 11:24:01 am »
And that would be .38 Short Colt!  RIght back were we started.   ;D
Civilize them with a Krag . . .

Offline Drydock

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Re: Cimarron's 1862 pocket police conversion update
« Reply #36 on: November 22, 2019, 11:29:05 am »
If one really wants a rimmed cartridge for this, Cimarron needs to chamber it in .32 H&R.  THen you could shoot all manner of .32s in it.
Civilize them with a Krag . . .

Offline Johnson Barr

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Re: Cimarron's 1862 pocket police conversion update
« Reply #37 on: November 22, 2019, 12:42:05 pm »
.380 ACP isn't on the Approved Cartridge List for NCOWS match shooting. Turning the .38SC rim is just a chuck-up in the drill press and a couple of swipes with a mill bastard file. Case trimming is most likely rocket science to those that don't reload but it too is no big deal. But then complaining about new ropes has been around for a very, very long time.
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Offline Coffinmaker

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Re: Cimarron's 1862 pocket police conversion update
« Reply #38 on: November 22, 2019, 04:41:23 pm »

 :P  Well, Shiver me timbers.  Back when this Wundergun was first announced, the whole world was drooling and slobbering wanting to get one.  Then, there was the teeth gnashing whining because it was taking so long to materialize.  Now that it's here, the general consensus seems to be the 380 is the "wrong" cartridge so let's make it something else and make the Mongrel into a Frankenpistol.

So how 'bout I gen up a pattern marked with a dotted line and "cut here" instructions.  Might also be tempted to have a hardened guide clamp for a hacksaw made to keep the cut square and rent it out soz that ugly extra 3 inches of barrel can be removed with a square face.  Since nobody can decide what cartridge it should really be, I' ll just have to wait before cook up a jig to turn cases in quantity.

Or, perhaps we should come to the conclusion, the final product is of no real use other than as an oddity.  Really 'pensive paper weight.  And, since we have progressed to a more or less paperless society, not much call for it there either.  Not that I'm opinionated.  Nah.  Not real opinionated.  Not me (Snicker Snicker Snort).

Oh wait.  Bestest idea yet.  Before you order one, send the check for the purchase price to ME.  That way, at least one of us will be happy with yer espenditure   ::)

Online Professor Marvel

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Re: Cimarron's 1862 pocket police conversion update
« Reply #39 on: November 23, 2019, 12:47:14 am »
Ah My Good Coffin

don't hold back, pray tell, what do you really think?

Personally I think it's kinda cute, and .380 will take DIY .38 short colt so nicely....

Mrs Marvel kinda wants one....

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Offline nativeshootist

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Re: Cimarron's 1862 pocket police conversion update
« Reply #40 on: November 23, 2019, 02:43:50 am »
I still want one of these. And .380 makes its it easier and less expensive to buy ammo for

Offline ammodave

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Re: Cimarron's 1862 pocket police conversion update
« Reply #41 on: November 23, 2019, 12:54:40 pm »
Does anyone actually have one for sale?  Cimarron is sold out and the there's a waiting list for new arrivals from Uberti.

Offline Johnson Barr

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Re: Cimarron's 1862 pocket police conversion update
« Reply #42 on: November 23, 2019, 01:44:21 pm »
Here's your cut-down version. I trimmed the barrel to 3 1/2". Visual looked better to me. Foreground are the .38SC reworked to fit the .380 chambers. The only .380 RNL ammo that I know of is made by MagTech. I've reloaded the 100 modified .38 Short Colt cases 4 times now. 400 rounds and still haven't met the cost of 1 MagTech box of 50. Still tinkering with a good grouping load to as close to point of aim as possible. The rounds in the pic carry 8.5grs. 3Fg with a .356 sized round balls. Next sunny day I will do some range time.
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Offline ammodave

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Re: Cimarron's 1862 pocket police conversion update
« Reply #43 on: November 23, 2019, 01:55:53 pm »
Now that's what I want!  I don't shoot competitively so the caliber isn't a concern.  Did you trim the barrel yourself? 

Offline Johnson Barr

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Re: Cimarron's 1862 pocket police conversion update
« Reply #44 on: November 23, 2019, 02:16:06 pm »
Yes. Cut-off pneumatic tool with abrasive disc to start. Belt sander and machinist square to finish. Probably will take a trip to my favorite gunsmith to crown face and relieve the muzzle. Gonna shoot it first; gotta shoot it! Reason for my 3 1/2" barrel trim was leather on my holster rack. No need to buy fresh leather. 
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Offline Coffinmaker

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Re: Cimarron's 1862 pocket police conversion update
« Reply #45 on: November 23, 2019, 04:36:21 pm »

Johnson Barr,

You can pick up a round de-burring tool from Brownells that will clean up the muzzle nicely.  Originally, the barrels were just square faced.  No real crown.  Bit of a relief at the end of the bore just as you would get with a few turns of the de-burring tool.

Offline ammodave

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Re: Cimarron's 1862 pocket police conversion update
« Reply #46 on: November 24, 2019, 08:38:41 pm »
Is the original front sight removable for reuse or do I need to source a new sight?

Offline Johnson Barr

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Re: Cimarron's 1862 pocket police conversion update
« Reply #47 on: November 25, 2019, 12:22:24 pm »
No, Uberti's 'itty-bitty' original sight is serious a press fit. I try to pull it with no luck. Nipped it off and flushed the cut with a small file. The flatten brass stub took a center punch very well for the new drill bore to match the base of the Pietta 1851 Navy cone front sight that I pressed in place on the 6" barrel. The 'itty-bitty' sight is the same Uberti uses on the '48-'49 pockets. VTI has them for $4.50 plus shipping.
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Offline Tinker Pearce

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Re: Cimarron's 1862 pocket police conversion update
« Reply #48 on: November 26, 2019, 05:52:18 pm »
Damn fine job! It looks the business. Well done!

Offline ammodave

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Re: Cimarron's 1862 pocket police conversion update
« Reply #49 on: November 27, 2019, 01:56:57 pm »
I'm convinced I "need" one but I can't find any available for sale.  Anybody got a source?