Older Pietta's have a 1:32 twist rate. Newer ones from around 2015 have a 1:16 twist rate.
any truth to this?
any truth to this?
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pietta rate of twist
- Thread starter brotherlloyd
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nobody?
I'll look at some of mine. I have some from the early 2000's and several newer versions.
I have a new Pietta NMA Target. Twist is 1-32. I have read that Pietta NMA can have gain twist but don't have info as to what if any model.
Side note that also matches the 1976 ASP NMA my wife gave me. There is a lot of resemblance between the two guns though cylinders do not cross.
Side note that also matches the 1976 ASP NMA my wife gave me. There is a lot of resemblance between the two guns though cylinders do not cross.
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That's primarily a ball twist .Bullets will do better with a tighter pitch.
