Hornady Cartridge Gauge Features The Hornady Cartridge Gauge for .338 ARC gives reloaders a fast reliable way to check that finished cartridges and resized cases will chamber correctly in a SAAMI spec rifle. Machined from stainless steel the gauge is built to resist wear and corrosion from repeated handling on the loading bench. Die locking rings are included to help maintain consistent repeatable measurement settings from one reloading session to the next. This attention to build quality makes the gauge a dependable addition to any .338 ARC reloading setup. Checking cases and ammunition against this gauge before heading to the range helps reloaders catch sizing or seating issues before they become a chambering problem in the field. The gauge s Silver stainless steel finish is both functional and easy to keep clean on a busy reloading bench. Built specifically for the .338 ARC cartridge and its .338 inch bullet diameter this gauge takes the guesswork out of verifying case and cartridge dimensions. This Hornady Cartridge Gauge is a smart quality control step for anyone reloading .338 ARC ammunition. Hornady Cartridge Gauge Specifications Manufacturer: Hornady Model: Cartridge Gauge Caliber: .338 ARC Material: Stainless Steel Color: Silver Function: Case Length / Headspace / Chamber Fit Check Available At: GrabAGun