bullet stabilization

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cisco1927
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bullet stabilization

Post by cisco1927 » Sun Aug 11, 2019 1:43 am

I have a 45/120 34". I wanted to ask before ordering a couple of casting molds if the rifle will stabilize bullets weighing between 300 and 405 grains ? Thank you

martinibelgian
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Re: bullet stabilization

Post by martinibelgian » Sun Aug 11, 2019 4:44 am

Unless you are trying to develop an express hunting load with BP, I'd suggest going to heavier bullets, 500+ grains. Standard ROT for these .45's is 1:18, which will stabilize such bullets perfectly.

James
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Re: bullet stabilization

Post by James » Sun Aug 11, 2019 9:50 am

Older Shilohs had 1 in 20 twist so it helps to know what you have. A 450 to 500 grain is a good blind guess.
Little powder much lead shoots far kills dead.

pacecars
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Re: bullet stabilization

Post by pacecars » Sun Aug 11, 2019 7:23 pm

martinibelgian wrote:
Sun Aug 11, 2019 4:44 am
Unless you are trying to develop an express hunting load with BP, I'd suggest going to heavier bullets, 500+ grains. Standard ROT for these .45's is 1:18, which will stabilize such bullets perfectly.
Plus it should stabilize the shorter bullets also
Real gun powder is black.

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powderburner
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Re: bullet stabilization

Post by powderburner » Sun Aug 11, 2019 8:19 pm

The only problem with really light bullets and all that horsepower is the bullet has a tendency to strip the rifling.
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cisco1927
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Re: bullet stabilization

Post by cisco1927 » Sun Aug 11, 2019 10:18 pm

Rifle was ordered in 1990 and I received it in 1993.

bruce m
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Re: bullet stabilization

Post by bruce m » Mon Aug 12, 2019 2:32 am

those bullets will be stable in a 16, 18, and 20 twist barrels.
your 45x 3 1/4 is very similar to british express rifles, and they went down to under 300 gns.
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Kurt
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Re: bullet stabilization

Post by Kurt » Mon Aug 12, 2019 9:08 am

I had a .45-3.25 and shot 300 grain swaged PP bullets for it. Powder burner is right they will strip at the velocity with that powder load of the 3-1/4 case full. I patched them to groove and used almost a straight WW alloy or monotype added to lead. They shot well patched to groove but tumbled patched to bore.
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cisco1927
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Re: bullet stabilization

Post by cisco1927 » Mon Aug 12, 2019 7:14 pm

Thanks everyone for the replies. :)

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