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Old October 6, 2011, 11:52 PM   #1
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rebarrel a Spanish Mauser?

going to put a barrel on my shot out M93 1916 pattern Oviedo 1932 and I would like to know the recommended twist for 120 - 150 grn bullets? thanks to all who participate!! looking to go 19"-21" in a light sporter configuration as I want this to be a light mountain rifle. oh yeah , I'm sticking with 7x57 mm caliber.
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Old October 7, 2011, 04:28 AM   #2
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Typical twist for 7X57 with mid-weight bullets is 9"-9.5". This is also the most common twist for 7mm barrels. Oviedo Model 1893 rifles were originally barreled with a 1:8.66" (22 cm) twist for 11.5 gram (172 grain) round nose bullets, and even as bullet design progressed to 10 gram (150 grain) spitzer, the rifling twist remained the same.

I own a Ruger in 7X57, and it shoots all bullet weights well out of its 1:9.5" barrel.
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