.38/.357 Blanks In 1-10 & 1-14 Twist, Plus .44 & .45
Famous Douglas Double XX premium quality blanks in the two most popular twist rates for PPC and other precision shooting. 1-14 duplicates the Python twist rate that is given much of the credit for the Colt's accuracy. 1-10 rate gives superb accuracy with 148 grain wadcutters and the heavier bullets needed to keep the .357 competitive in silhouette.
Big Book Catalog, Issue:67, Page:230
SPECS: 4140 CM Steel. 27½" (69.8cm) rough blank,
to 1.2" (3.0cm) O.D.