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Joined: Feb 2005
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OP
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Does anybody know what twist Winchester used on their Stealth II 223 WSSM heavy barreled 70's?
Some is Good---More is Better----Too Much is Just Right
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Joined: Dec 2002
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Campfire 'Bwana
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Campfire 'Bwana
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You mean the TPI of the threads on the barrel shank, right?
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Joined: Feb 2005
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Campfire Tracker
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OP
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No, the twist rate of the rifling.
Some is Good---More is Better----Too Much is Just Right
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Joined: Dec 2002
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Campfire 'Bwana
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Campfire 'Bwana
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No, the twist rate of the rifling. All of the Browning and Winchester rifles chambered for the WSSMs were cataloged with a common/universal 1-10" ROT.
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Joined: Nov 2010
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Campfire Regular
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Campfire Regular
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All mine have 1-10 " factory barrels.....
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Thanx. I'm gonna cut and thread this for a Savage action, and chamber it in 220 Swift. I should be into good rifling by then. 10 twist should be ok for 68-70 gr - right???
Some is Good---More is Better----Too Much is Just Right
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Joined: Dec 2002
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Campfire 'Bwana
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Campfire 'Bwana
Joined: Dec 2002
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Will the chrome lining cause you any problems with your rechamber job?
My RAR-P in 22-250 has a 1-10" ROT and seems marginal with the 60 grain BT varmint and VMax, so I would assume that 1-10" would be even more marginal for a longer bullet.
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Joined: Feb 2005
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What chrome lining!! I didn't know these were chrome lined. If they are, then yes, it will be a problem. I had a 10 twist 223 that did OK with 64gr flat based
Some is Good---More is Better----Too Much is Just Right
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Joined: Dec 2002
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Campfire 'Bwana
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Campfire 'Bwana
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What chrome lining!! I didn't know these were chrome lined. If they are, then yes, it will be a problem. I had a 10 twist 223 that did OK with 64gr flat based All of the 223 and 243 WSSMs made by Browning and Winchester were cataloged with chrome lined bores. They didn't chrome line the 25 WSSMs. The Winchester 64 grain PP factory load in 223 WSSM shot good groups in my 70 Ultimate Shadow.
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Joined: Feb 2005
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I guess I should ask in the gunsmithing section, but how do I get around the chrome lining?? Do I use an undersized drill to remove the chrome and some metal, then go in with the reamer? I don't know what to do for the neck & throat? Maybe a carbide neck and throat reamer ???
Last edited by Cowboybart; 08/13/23.
Some is Good---More is Better----Too Much is Just Right
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Campfire 'Bwana
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Campfire 'Bwana
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I can't help you, as I've never rechambered a chrome lined barrel.
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