Hornady CARTRIDGE GAUGE 223 REM (.224)

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Great quality steel, internal dimensions are exact. Easy to check your rounds to ensure SAMI compliance. Not cheap but it’s an essential part of reloading safety. I’ve got one for every caliber I reload.

Works very well when your checking your case for chamber fit

Don't reload without it

Really no need for a review. The brand is awesome as always. Worked great for what was needed. Still going strong after months.