A counterbore is when the rifling and part of the inner diameter of the bore is drilled out from the muzzle back far enough to get rid of boogered up rifling.The need for counterboring is caused by poor cleaning methods, ie: not using a rod guide. counterbore is when the rifling and part of the inner diameter of the bore is drilled out from the muzzle back far enough to get rid of boogered up rifling. The need for counterboring is caused by poor cleaning methods, ie: not using a rod guide.
Eileen Fisher - Highland Park 640 Central Avenue, Highland Park IL 60035 Phone Number: (847) 433-5440
Festive events are lining up for Easter weekend -- so hop to it! - Join the traditional fun during the Sandpoint Lions Club's Annual Easter Egg Hunt at 10 a.m. sharp Saturday, April 15, at Memorial Field. An enjoyable event for local children, there are age-appropriate divisions for all. Free and open to the public. 208-946-1367.