The Forster Co-Ax Case and Cartridge Inspector is a precision measuring tool built for reloaders who demand uniformity in every round they assemble. If you're serious about ammunition accuracy, you need to know what's happening inside your cases and how your finished cartridges stack up—and this gauge gives you the data to make those calls. It measures the three dimensions that matter most: neck wall thickness, case runout, and bullet concentricity, all with .001-inch resolution so you catch problems before they hit the firing pin.

What sets this inspector apart is how it holds your work. The Co-Ax design uniquely supports the case or loaded cartridge to check both bullet and case alignment directly against the cartridge's centerline. That's the geometry that counts for accuracy downrange. The included precision dial indicator reads in .001 increments, and the tool handles everything from .204 Ruger up to .45-70—a working range that covers the vast majority of reloading benches. Maximum case length you can inspect is 3.50 inches, which covers standard and magnum cases in most popular calibers.

Built from precision-engineered automotive-type castings, this is the kind of tool that lasts through years of steady use without drift or play. It uses the same pilot system as Forster Case Trimmers—that means pilots are sold separately and you'll want to match them to your specific cartridge (note that the 17-caliber pilot isn't compatible with this inspector). If uniformity is your baseline and you're measuring enough cases to make it worthwhile, this gauge pays for itself in rejected rounds you'll never load.

The Forster Co-Ax Case and Cartridge Inspector is a precision measuring tool built for reloaders who demand uniformity in every round they assemble. If you're serious about ammunition accuracy, you need to know what's happening inside your cases and how your finished cartridges stack up—and this gauge gives you the data to make those calls. It measures the three dimensions that matter most: neck wall thickness, case runout, and bullet concentricity, all with .001-inch resolution so you catch problems before they hit the firing pin.

What sets this inspector apart is how it holds your work. The Co-Ax design uniquely supports the case or loaded cartridge to check both bullet and case alignment directly against the cartridge's centerline. That's the geometry that counts for accuracy downrange. The included precision dial indicator reads in .001 increments, and the tool handles everything from .204 Ruger up to .45-70—a working range that covers the vast majority of reloading benches. Maximum case length you can inspect is 3.50 inches, which covers standard and magnum cases in most popular calibers.

Built from precision-engineered automotive-type castings, this is the kind of tool that lasts through years of steady use without drift or play. It uses the same pilot system as Forster Case Trimmers—that means pilots are sold separately and you'll want to match them to your specific cartridge (note that the 17-caliber pilot isn't compatible with this inspector). If uniformity is your baseline and you're measuring enough cases to make it worthwhile, this gauge pays for itself in rejected rounds you'll never load.