Hornady Lock-N-Load Cartridge Gauge 308 Win

• Go/No-Go drop-in gauge for .308 Winchester — checks sized cases and loaded rounds
• Checks shoulder headspace to confirm sizing die has set the shoulder to SAAMI specification
• Flags cases that have stretched beyond maximum case length and require trimming
• Identifies body diameter bulges near the web that would cause chambering failures
• Cylindrical precision steel construction machined to SAAMI tolerances for .308 Win
• Simple drop-in check — case head flush or recessed indicates a correct fit
• Calibre-specific design; one gauge per cartridge for reliable, repeatable results

The Hornady Lock-N-Load Cartridge Gauge for .308 Winchester is a precision drop-in cylinder tool designed to quickly verify that your sized cases and loaded rounds will chamber correctly. It checks three critical dimensions in a single pass: shoulder headspace confirms the sizing die has pushed the case shoulder back to SAAMI specification; maximum case length flags brass that has stretched past the safe limit and needs trimming; and body diameter inspection identifies any bulges or expansion near the web that could cause the round to stick in the chamber. The .308 Winchester is one of the most widely used stalking and long-range target calibres in the UK, and getting case sizing right directly affects both reliability and accuracy. Simply drop the case or loaded round into the gauge — a flush or recessed case head indicates a correct fit. A quick, no-fuss check that belongs on any reloading bench handling .308 Win brass.

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