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
Wilkins Park is located at the address 200 2nd St Ne in Newark, Ohio 43055. They can be contacted via phone at (740) 345-1954 for pricing, hours and directions. Wilkins Park has an annual sales volume of 501K - 999,999. For maps and directions to Wilkins Park view the map to the right.