Hornady Lock-N-Load Cartridge Gauge 6mm ARC

• Hornady Lock-N-Load Cartridge Gauge for 6mm ARC (.243) — a go/no-go inspection gauge, not ammunition
• Checks sized cases and finished handloads against SAAMI headspace and length tolerances in one bench step
• Case head flush with, or within, the gauge's reference marks confirms the round is in spec
• Flags over-long, under-sized or out-of-spec cases before they reach the chamber
• Machined from durable steel for long bench life
• One-piece, calibre-specific design — no assembly or calibration needed
• A fast, repeatable quality-control step for anyone handloading 6mm ARC

This is a Hornady Lock-N-Load Cartridge Gauge for 6mm ARC (.243) — a precision steel go/no-go gauge, not a piece of ammunition. Handloaders drop a sized case or a finished round into the gauge and check the case head against the reference marks at the back: flush with, or within, the marked band confirms the case falls inside SAAMI headspace and overall-length tolerances for the calibre, while a case sitting proud or sunk below the line flags a sizing or trimming problem before it reaches the rifle. It's a quick bench check rather than a full comparator system, useful for catching an over-long shoulder, an under-sized case or an out-of-spec cartridge before it is chambered. Machined from durable steel, it's built to hold its tolerances over years of bench use. A straightforward, one-piece tool for any 6mm ARC handloader who wants a fast, repeatable check that cases and handloaded rounds will chamber and headspace correctly before they get near the rifle.

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