Lyman Ammo Cartridge Checker Small Rifle - 7833001

This Lyman cartridge checker is a precision gauge machined from aircraft-grade 6061-T6 aluminum and cut to SAAMI minimum chamber dimensions for accurate ammunition verification. Simply drop loaded rounds into the checker to confirm they will fit in your firearm's chamber. The gauge covers multiple small rifle calibers including .204 Ruger, .22 Hornet, .223 Remington, .22-250, and .300 AAC Blackout with easy-to-read caliber engravings.