Hornady Cartridge Gauge

A round that will not chamber is a problem you should find at the bench, not in the field.

You size, load, and need proof the case is in spec before it ever meets a rifle.

Performance Under Pressure: Drop the case in the gauge. If it fits, the brass is not oversized, swollen, or out of SAAMI spec.

Durability and Reliability: Stainless steel holds dimension. A gauge that wears or flexes is not a gauge.

Friction Removal: Chamber fit, headspace, and overall length get checked in one pass. No guesswork on a 6mm ARC load.

Identity Signal: Reloaders who check every round do not leave a swollen case in the pile.

Proof and Credibility: Hornady built this around SAAMI chamber dimensions so you can catch a problem before it reaches the bolt.

If it will not gauge, it does not go in the rifle.