Messing with the Cimarron .45 Colt

by JimT, Texas, Friday, December 05, 2025, 10:38 (8 days ago)
edited by JimT, Friday, December 05, 2025, 14:15

Last June I picked up a Cimarron in .45 Colt. It has 2 cylinders, one in .45 ACP. And the dealer gave me a good deal on the gun and then knocked off 20% because I was a Veteran.

The gun was in good shape and apparently had not been used much. I posted photos of it on here earlier but ..

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The trigger pull was heavy but it did not have a long pull. I installed a Heinie trigger and bolt spring and worked on the pull until it was to my liking.

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The gun is well built and finished pretty nicely inside and out. No rough castings like I have seen in early Italian guns. They did change the spring for the cylinder hand from a flat spring to the Ruger style coil spring that goes into the frame above the backstrap screw.

The flat spring on the hand can break .. I have had a few over the years .. and I understand the reasoning behind this change. I like the old Colts but ....

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Because the guns are imported, it had to have a Safety. They accomplished this by making the cylinder pin extra long and with 2 detents. The first detent is the FIRE position. The second detent is the SAFE position. It keeps the hammer from falling all the way to the primer.

I have no use for such stuff and don't want anything interfering with the gun going off if I need it to, so I cut the end off the cylinder pin and use the forward detent only.

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The one problem it had was that I could not remove the cylinder bushing. It obviously had a removable bushing, but it was locked in. Using an aluminum rod I drove the bushing out. When the rear gas ring cleared the cylinder the bushing dropped out.

After checking it over I found that the rear gas ring was too big. Apparently "hand fitting" meant just driving it in place. I chucked it in my electric drill and with a sharp file turned down the gas ring.

Then I discovered that the bushing itself was also too large at the forward end. Again, a little metal removed and polishing and it slips in and out just like intended.

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If removing metal from the rear face of the rear gas ring did not increase barrel/cylinder gap it would at the least introduce "end shake" .. fore and aft movement of the cylinder.

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So the gun is working to my satisfaction. I have not cut the front sight yet as I have not settled on a preferred load. That will come in time.

It ain't a Colt or a USFA but it does scratch an itch I had.

BARREL MARKINGS

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Ele era velho.
Ele era corajoso.
Ele era feio.

Messing with the Cimarron .45 Colt

by Hoot @, Diversityville, Liberal-sota, Saturday, December 06, 2025, 07:15 (8 days ago) @ JimT

That's a nice looking sixgun Jim.

Still haven't made up my mind about the brass gripframe.

by JimT, Texas, Saturday, December 06, 2025, 07:47 (8 days ago) @ Hoot

I mean, it feels good. But I like the looks of the blued version. I have the blued trigger guard and if I can find a blued backstrap I may change it.

--
Ele era velho.
Ele era corajoso.
Ele era feio.

Still haven't made up my mind about the brass gripframe.

by Paul ⌂, Saturday, December 06, 2025, 11:22 (7 days ago) @ JimT

Yep, it just doesn't "look right". Gives off a "mid-1970's cap and ball replica" vibe. Maybe you can find some brass blacking solution while searching for the appropriate blued replacement bits.

Still haven't made up my mind about the brass gripframe.

by Bob Hatfield @, Saturday, December 06, 2025, 17:15 (7 days ago) @ JimT
edited by Bob Hatfield, Saturday, December 06, 2025, 17:18

[image]Use "Jax Black" on it. This is the result after it has been buffed back some with steel wool

How well does the brass blackening work?

by JimT, Texas, Saturday, December 06, 2025, 17:52 (7 days ago) @ Bob Hatfield

Does it cover the brass color or what? That "antique" look in your photo would be good to do on the percussion pistols where I "antiqued" the finish.

--
Ele era velho.
Ele era corajoso.
Ele era feio.

How well does the brass blackening work?

by Slow Hand ⌂ @, Indiana, Saturday, December 06, 2025, 23:29 (7 days ago) @ JimT

I am not sure if I have ever tired it, but I have heard using cold blue on brass will also darken it a good bit I have a recently removed 1860 Army brass grip frame if you would like to use it on a SAA

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Thanks but I will leave it as it is til I find a backstrap.

by JimT, Texas, Sunday, December 07, 2025, 07:28 (7 days ago) @ Slow Hand

It is working fine.

--
Ele era velho.
Ele era corajoso.
Ele era feio.

Thanks but I will leave it as it is til I find a backstrap.

by Bob Hatfield @, Sunday, December 07, 2025, 09:22 (7 days ago) @ JimT

The Jax Black doesn't completely blacken it. It just tones the brass back according to how much you want to buff it. They make "Jax Brown" also that will just dull the brass to a lesser degree.

OK. Thank you. I was wondering. (nt)

by JimT, Texas, Sunday, December 07, 2025, 09:32 (7 days ago) @ Bob Hatfield

.

--
Ele era velho.
Ele era corajoso.
Ele era feio.

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