Twist rate on a 40-65.
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Twist rate on a 40-65.
Hello,
I have recently acquired a pre Bryan ownership 1874 Shiloh Sharps, #8608 in 40-65.
Would anyone know what the twist rate of the bbl is for this caliber?
Thanks!
I have recently acquired a pre Bryan ownership 1874 Shiloh Sharps, #8608 in 40-65.
Would anyone know what the twist rate of the bbl is for this caliber?
Thanks!
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Re: Twist rate on a 40-65.
Probably 1/18". I ordered a .40-65 in ~1992-3, when the standard twist was 1/18" and 1/16" was optional. By the time the rifle was built in 1996, 1/16" was standard.
I had a Shiloh .40-70 SS barrel that was made in the very early '90's (I put it on a Rolling block action), and it was 1/18. It shot we'll out too 500m with the Saeco 740, although I never used it in twitchy conditions, which seem be the first to indicate marginal stabilization.
Clarence
I had a Shiloh .40-70 SS barrel that was made in the very early '90's (I put it on a Rolling block action), and it was 1/18. It shot we'll out too 500m with the Saeco 740, although I never used it in twitchy conditions, which seem be the first to indicate marginal stabilization.
Clarence
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Re: Twist rate on a 40-65.
My .40-65 1874 Shiloh Sharps built in 2012 had a 16:1 twist barrel.
It shot well out to 1,000 yards with a 410 grain bullet.
It shot well out to 1,000 yards with a 410 grain bullet.
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Re: Twist rate on a 40-65.
Well I guess it is narrowed down to either 1and 16 or 1 and 20. The last time I tried to check the twist in a bbl with the cleaning rod method I got different readings.
Right now all I have are 400gr Snover's. I will see what I can get with them!
Thanks!
Right now all I have are 400gr Snover's. I will see what I can get with them!
Thanks!
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Re: Twist rate on a 40-65.
HI i shoot a 430 gr bullet and it works well for me out to 1100 yards which is the farthest i have tried it to so far. Good luck with yours they will shoot well have fun and keep shooting
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Re: Twist rate on a 40-65.
John Bly shoots the 430gr BACo Creedmoor bullet in his Shiloh 40-65 with a 16" twist barrel and does passably well from time-to-time.
Glenn
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Re: Twist rate on a 40-65.
Seabeechief,
Not sure where you got the 1/20-I'm quite sure that 1/18 was the standard before 1/16 was adopted.
Why don't you call Shiloh and ask Kirk?
Clarence
Not sure where you got the 1/20-I'm quite sure that 1/18 was the standard before 1/16 was adopted.
Why don't you call Shiloh and ask Kirk?
Clarence
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Re: Twist rate on a 40-65.
My mistake, I meant 1 and 18.
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Re: Twist rate on a 40-65.
If that rifle is a 1:18, a bullet LENGTH of 1.25" is about right for full stability
If is is a 1:16, a 1.325" is proven stabile out to 1K
beltfed/arnie
If is is a 1:16, a 1.325" is proven stabile out to 1K
beltfed/arnie
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Re: Twist rate on a 40-65.
What is the bullet weight ? that is 1.325 ?
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Re: Twist rate on a 40-65.
About 400, depending on nose shape. My Saeco 740 drops bullets 410 grains.