Lyman Ammo Checker Handgun Gauge - 7833000

This handgun ammo checker is a precision gauge machined from aircraft-grade 6061-T6 aluminum and cut to SAAMI minimum chamber dimensions to quickly verify ammunition fit. Simply drop a loaded round into the checker; if it fits in the gauge, it will fit in your firearm's chamber. The gauge covers multiple common handgun calibers including .380 Auto, 9mm Luger, .38 Super, .40 S&W, .45 ACP, .38/357, .44 Mag/Spl, and .45 Colt, with easy-to-read engravings for quick caliber identification.