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Thread: gain twist

  1. 02-20-2024, 04:13 PM #1
    wgr
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    gain twist

    any one ever work with this and were to get one.
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  2. 02-20-2024, 04:20 PM #2
    HWooldridge
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    I have an original 1860 Army that has a gain twist barrel - are you referring to a rifle or pistol?
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  3. 02-20-2024, 04:55 PM #3
    wgr
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    rifle
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  4. 02-20-2024, 05:21 PM #4
    HWooldridge
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    https://www.altusshooting.com/produc...-twist-barrels

    This site shows centerfire barrels but I'm sure someone is making ML barrels with G/T.
    Last edited by HWooldridge; 02-20-2024 at 05:38 PM.
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  5. 02-20-2024, 06:11 PM #5
    Nobade
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    Robert Hoyt can do that or so I've heard.
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  6. 02-20-2024, 07:43 PM #6
    indian joe
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    why is the question

    sounds like a cure for a non existent problem

    If you have ran out of things to tinker with = good plan

    too many things still need tinkering with at my place .................................
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  7. 02-21-2024, 08:39 AM #7
    wgr
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    Quote Originally Posted by indian joe View Post
    why is the question

    sounds like a cure for a non existent problem

    If you have ran out of things to tinker with = good plan

    too many things still need tinkering with at my place .................................
    you got it been bored last year are two thinks for the info.
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  8. 02-21-2024, 10:37 AM #8
    HWooldridge
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    Gain twist was developed to ease the transition of the lead projectile into the rifling and minimize stripping on the short bearing surfaces of a round lead ball. It may have helped in that application, but I agree with Indian Joe that you may not be able to measure any improvements with a patched lead ball or a bare bullet inside a muzzleloading rifle - although it might be fun to try on a breechloader.
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  9. 02-21-2024, 01:31 PM #9
    waksupi
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    Harry Pope experimented with these for years. He said he couldn't see a dimes worth of difference in accuracy.
    The solid soft lead bullet is undoubtably the best and most satisfactory expanding bullet that has ever been designed. It invariably mushrooms perfectly, and never breaks up. With the metal base that is essential for velocities of 2000 f.s. and upwards to protect the naked base, these metal-based soft lead bullets are splendid.
    John Taylor - "African Rifles and Cartridges"

    Forget everything you know about loading jacketed bullets. This is a whole new ball game!

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  10. 02-25-2024, 09:54 PM #10
    Woodnbow
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    I have gain twist in my 1860 Colt and also in my Pietta Shooters Model. Both are superbly accurate guns. Bobby Hoyt says they should also provide higher velocity. I have not verified this since I don’t exceed 25 grains in the original Colt and while I do load the Pietta with 30 grains behind the ball I haven’t chronographed it in a long time.
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  11. 02-25-2024, 10:10 PM #11
    john.k
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    The ADEN 30mm aircraft cannon had gain twist....must have had some advantage .
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  12. 02-26-2024, 04:05 AM #12
    Nobade
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    The S&W 500 for sure and maybe the 460 have a gain twist. They said it is to lessen the torque on your hand so it's easier to hold on to.
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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check