This case used in conjunction with Hornady COAL Gage to assess chamber to allow for adjusting seating depth of a bullet with respect to the lands.
Please contact Hornady directly with any concern about performance, manufacturing defects, or warranty issues. Their contact information is found on their web site www.hornady.com. Their main switchboard phone number is 308-382-1390 Monday thru Friday 8am to 430pm Central Time.
