bullet stabilization

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cisco1927
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Joined: Tue Nov 13, 2018 7:04 pm

bullet stabilization

Post by cisco1927 »

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 »

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 »

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.
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pacecars
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Re: bullet stabilization

Post by pacecars »

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
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powderburner
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Re: bullet stabilization

Post by powderburner »

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 »

Rifle was ordered in 1990 and I received it in 1993.
bruce m
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Re: bullet stabilization

Post by bruce m »

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 »

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 »

Thanks everyone for the replies. :)
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