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
You can also contact the bank by calling the branch phone number at 800-734-4667 Regions Bank Tannehill Promenade branch operates as a full service brick and mortar office. For lobby hours, drive-up hours and online banking services please visit the official website of the bank at www.regions.com.