- Go/no-go chamber gauge for .243 Winchester handloads
- Checks sized cases and loaded rounds against SAAMI min/max chamber dimensions
- Identifies over-sized or out-of-spec rounds before they reach the rifle
- Calibre-specific design — built for .243 Win only
- Helps ensure reliable chambering and extraction for handloaded ammunition
- Part of the Hornady Lock-N-Load precision reloading tool range
The Hornady Lock-N-Load Cartridge Gauge for .243 Winchester is a precision reloading tool that lets you verify whether a sized case or loaded round conforms to SAAMI minimum and maximum chamber dimensions for this calibre. Rather than waiting until you're at the range to discover a sticky case or tight fit, you can check every round at the reloading bench before it goes into a box. For the .243 Winchester stalker who handloads their own deer rounds — whether working up a load for roe or managing fox at distance — this gauge adds confidence that each cartridge will chamber freely and extract cleanly. It works by accepting rounds that fall within SAAMI tolerances and rejecting those that are over-sized, making it a straightforward go/no-go check. Compact and simple to use, it requires no additional tools and takes only seconds per round. Part of Hornady's Lock-N-Load precision measuring range.
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