Attaining the unattainable - Pistol Smithing

In order for your Model 41 S&W or Ruger Mark IV to shoot sub-1" groups at 50 yards, here is what you must do.

Line your barrel or replace it completely with a high-quality match grade rifled one, in either European .114" land diameter or a .116" ID American bore.

Then, the crown must be made perfectly concentric to the bore. It makes no difference if it is 90, 45 or 11 degrees, but it must be concentric and sharp if the bullet is going to leave the bore evenly with equal pressure on all sides.

When you are shooting match ammunition in tightly cut match chambers, one drop of oil on the top of the case of the top round will help. This facilitates the loading sequence, keeps the fouling soft, and makes cleaning easier.

COPYRIGHT 2002 Publishers' Development Corporation
COPYRIGHT 2002 Gale Group