Savage Prefit 220 Swift, 8 twist #4 contour, finishes at 18″ with 5/8×24. We used a McGowen #4 contour for this prefit. The shank diameter is 1.055″ with 20 TPI. This barrel has Straight Flutes stopping at 16″.
Pics need to be update to show the Straight Flutes
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