Author Topic: 1860 Spencer Centerfire cartridge  (Read 368 times)

Offline ldpfeifer

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1860 Spencer Centerfire cartridge
« on: October 26, 2021, 01:03:07 PM »
I bought the S&S center fire block and magazine plug for center fire.  The trigger plate does have some wear where it should stop the action at the bottom of the stroke, the semi circle area has some wear.  I have to be careful as I can keep it moving the block all the way out.  The old RIM fire action block stopped as it should.  I am not sure I can fix this, other than to be careful as it appears too much material was taken off the S&S block or I need to try and find a different trigger block with more metal in the half semi circle that is suppose to stop the block from going all the way out the bottom. 

I did a chamber cast and came up with the following measurements.

CASE LENGTH appears to be 1.014
CASE MOUTH IS .566
CASE BASE IS    .568
BIGGEST POINT OUTSIDE THE LANDS IS .538
SMALLEST INSIDE THE LANDS IS .527
BARREL IS A 6 GROVE.

Which brass should I look for?  From what I read, it looks like 50-70 brass and shorten it??  Also can anyone recommend a pre-cast bullet or a bullet mold?  Dies, CH4D??
Thanks in advance for any help.

Offline Two Flints

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Re: 1860 Spencer Centerfire cartridge
« Reply #1 on: October 26, 2021, 02:45:52 PM »
Take a look at the SORI Thread for possible solutions and help . . . not sure if this link will be of any help . . . https://www.cascity.com/forumhall/index.php?topic=64171.0
have a look see.

Two Flints

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Offline ldpfeifer

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Re: 1860 Spencer Centerfire cartridge
« Reply #2 on: October 26, 2021, 07:15:57 PM »
That should work.  Aviation washers come in a regular size and a (L) size which is half of the regular.  I will grab one tomorrow and give it a try.  Otherwise I will buy a new trigger plate and do what I have to to make it work and store the old one with the old block to keep the gun original.  Now if I can find an answer on the brass I need to use, I will be set.  Thanks for the info.
Lyle

Offline Two Flints

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Re: 1860 Spencer Centerfire cartridge
« Reply #3 on: October 26, 2021, 07:35:16 PM »
Regarding the 50-70 brass question, this is the route I followed . . .  https://www.cascity.com/forumhall/index.php?topic=40010.0  watch the video, too!

and again, check out the SORI Thread for answers to your questions.

Two Flints

Una mano lava l'altra
Moderating SSS is a "labor of love"
Viet Vet  '68-69
3/12 - 4th Inf Div
Spencer Shooting Society Moderator
Spencer Shooting Society (SSS) #4;
BOSS #62
NRA; GOAL; SAM; NMLRA
Fur Trade Era - Mountain Man
Traditional Archery

 

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