Precision aluminum gauge for verifying handgun ammunition fit. Covers .380 Auto, 9mm Luger, .38 Super, .40 S&W, .45 ACP, .38/357, .44 Mag/Spl, and .45 Colt. Machined from aircraft-grade aluminum with SAAMI minimum dimensions.
The Lyman Ammo Checker is a precision gauge designed to verify that your handloaded ammunition—or factory rounds—will chamber properly in your firearm. This is an essential tool for any serious reloader.
Simply drop your loaded round into the appropriate caliber gauge. If the round fits, it will fit in your gun's chamber. This quick verification prevents the frustration and potential safety issues of ammunition that won't chamber.
Consistency is the foundation of safe, reliable ammunition. Whether you're checking your own reloads or verifying factory ammunition, this gauge ensures your rounds meet chamber specifications before they go downrange.