Button-rifled, 4140 chrome moly or stainless steel barrel blanks are stress-relieved and air gauged to +/- .0002" for superb accuracy and performance from your custom rimfire rifle. Not chambered or threaded, ready for custom fitting.
SPECS: 4140 chrome moly steel (CM) or stainless steel (SS), in-the-white. 1.06” (27mm) O.D.; lengths listed in table below.
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.