Cartridge Checker - Quickly confirms whether ammunition will fit in your gun's chamber - Machined from aircraft-grade aluminum for extreme durability - Cut to SAAMI minimum chamber dimensions - Easy-to-read engravings display cartridge - Lyman's Cartridge Checker quickly confirms whether your ammunition will fit in your firearm's chamber. Machined from solid blocks of 6061-T6 aircraft-grade aluminum and cut to SAAMI minimum chamber dimensions. Simply drop your loaded round into the checker and if it fits into the gauge it'll fit your firearm. Each cartridge is clearly engraved on the gauge. One gauge works with a variety of cartridges. Available in three designs to cover most common handgun and rifle cartridges. - Available: Small Rifle (fits .204 Ruger .22 Hornet .223 Rem .22-250 .300 AAC Blackout 7.62x39mm)
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