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WTB jeffeossos twist locator

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21 November 2006, 21:28
butchloc
WTB jeffeossos twist locator
WTB one of jeffs twist locators so that I may may a new twist to life sofa animal Big Grin
21 November 2006, 22:19
Idaho Sharpshooter
what's a "...may may..."?
It's called Greenhill's Formula, and all of the cartridges in the british gun trade have used it to establish twist ratios, going back to the 1880's IIRC.

Rich