Old West .560 Pritchett Mold

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Aaron posted this 30 March 2025

I fired up my brand new Old West .560 Pritchett bullet mold today. It casts beautifully but one needs to read and heed the instruction sheet that is included with the mold. Most importantly, the mold tolerances are so tight that the base spud needs to be tapped slightly to free it from the bullet BEFORE the sprue is cut. A small detail but an important detail.

I cast these at 850 degrees to reduce wrinkling and fed the mold with a ball dipper. The first bullet while slightly wrinkled, was shootable. All subsequent bullets were great and all dropped from the mold with just a thought. A very impressive mold from Old West.

I now have some "cannon balls" to roll into 1856 British "Hay Pattern" cartridges and shoot in the English 1853 Enfield rifled musket. While these are fun to cast, one goes through 5lb of lead real quick.

Next step is to roll these into cartridges and make some smoke to aggravate all the black plastic tactical bozos. tongue-out

 

 

 

With rifle in hand, I confidently go forth into the darkness.

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delmarskid posted this 30 March 2025

Will you be making base plugs?

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Aaron posted this 30 March 2025

Will you be making base plugs?

Not with these. They are the Enfield Pritchett 1856 "Hay Pattern" bullets at .561" I used the base wrap method prescribed in the period Army literature.

From Forth Armory:

While this pattern absolutely existed in 1855, based on the dates of the sources for it, this is probably what the cartridge looked like back to 1853 when the Pritchett bullet was first used with the Enfield musket.

Our templates are based on drawings from Instruction of Musketry, Horse Guards, 1854, and  The Artillerist's Manual and British Soldier's Compendium 7th Edition, F. A. Griffiths, 1856.

In both sources, the instructions for this cartridge instruct to "fold the remainder of the envelope on the base of the bullet".  In addition, The Artilleryman's Manual describes the bullet as 530 grains (the weight of the Hay bullet with plug; the Pritchett bullet was 520 grains).  This means that the Hay bullet, with it's wooden plug, must have been in use with this cartridge by this date.

The Pritchett bullet was abandoned by the British around 1855.  This pattern of cartridge was probably identical to, or very similar to, that used earlier for the Pritchett.  In any case, a .568" diameter bullet was used with this pattern of cartridge.

This style of cartridge was also produced by the Confederacy during the American Civil War (see Round Ball to Rimfire Volume 4, Dean S. Thomas).  The Confederate copies of this Enfield cartridge did not utilize a plug in the base of the bullet.

End Forth Armory....

I prefer the 1860 Enfield Cartridge (Final Version) with its .550" Pritchett style bullet. I do use the plugs in these to address the windage matter. I make the clay plugs and fire them in the kiln at University. Clay is the only material that shrinks down upon drying to the correct size. Skulpy and auto body goop does not shrink upon drying to the correct size.

The 1860 style cartridges are more time consuming with their tie off below the bullet base. The gum wrapper is also needed to keep the outer wrapper and powder sleeve together. That version is a handsome cartridge, harder to make. The 1855 version is easier to make but has less windage, therefore can be harder to load.

Here are my cartridges I made today with the Old West bullet at .561". They are a tighter fit in the bore. Wrapping has to be TIGHT.

And yes, the rebs had graph paper! Use what is on-hand right? Notice no bullet plug. These are wrapped and stuffed into base of bullet.

 

 

 

With rifle in hand, I confidently go forth into the darkness.

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linoww posted this 31 March 2025

nice ingot mold!

"if it was easy we'd let women do it" don't tell my wife I said that!

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Aaron posted this 31 March 2025

True!!

With rifle in hand, I confidently go forth into the darkness.

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delmarskid posted this 31 March 2025

Very nice

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