Hornady's Lock-N-Load Cartridge Gauge for .308 Winchester ensures your cases and ammunition fit properly in SAAMI-spec chambers. Essential reloading tool.
The Hornady Lock-N-Load Cartridge Gauge is an essential tool for any serious reloader or ammunition inspector. This precision instrument allows you to verify that your cases and finished ammunition meet SAAMI (Sporting Arms and Ammunition Manufacturers' Institute) chamber specifications.
Whether you're a precision rifle competitor, a hunter preparing ammunition, or a reloader committed to quality control, this gauge eliminates guesswork. A round that doesn't chamber properly can cause feeding issues, accuracy problems, or worse. This simple tool takes seconds to use and provides confidence that your ammunition will perform as intended.