Rear Sight on a Trapdoor

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nrobertb
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Rear Sight on a Trapdoor

Post by nrobertb »

The rear sight on my model 1884 Trapdoor Springfield is marked from 6 to 12 "R". The only unit of measurement I can think of that starts with R is rod, which doesn't seem likely. 6 rods would only be 99 feet.

Maybe R stands for range?

Anyone know for sure?
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Cattus Borealis
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Re: Rear Sight on a Trapdoor

Post by Cattus Borealis »

Nice Rifle!

If my memory serves me correct, "R" is for Rifle as opposed for "C" for Carbine sights.

Have you had a chance to shoot her?

Thanks for sharing!

CB
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nrobertb
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Re: Rear Sight on a Trapdoor

Post by nrobertb »

Thanks, that makes sense. After thinking about it for a while, I believe the numbers stand for hundreds of feet: 600 - 1200 (200-400 yards). That seems like a reasonable scale for the .45-70 cartridge. There isn't much rise in the sight slider.

I've fired it quite a bit with 300 gr. and 405 gr. bullets. Hard cast bullets work very poorly. The softer the bullet the better the results. I've had the best luck with Buffalo Arms hollow base 405 gr. bullets in .458 or .460.
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Re: Rear Sight on a Trapdoor

Post by Cattus Borealis »

Cool!
Mountain Lion
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Re: Rear Sight on a Trapdoor

Post by Mountain Lion »

Yes. R is for rifle. You will see a C on the carbine. Only shoot black powder and lead bullets. Buffalo is a good source that I have used. The modern bullets will cause excessive wear. Even the lower charged smokeless is not recommend. Nice rifle. Do you see a SWP proof mark in the left side opposite the hammer?
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nrobertb
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Re: Rear Sight on a Trapdoor

Post by nrobertb »

There are no proof marks there unless they are hidden by the wood and I'm too lazy to remove the stock. :lol:
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