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
Ashley M Classen Information The 1629071733 NPI number belongs to Dr. Ashley M Classen DO. Ashley M Classen is an Individual and working at 1401 Henderson St, Fort Worth TX 76102, you can also contact him via phone number (817) 332-3664.