-Choose between many different calibers; just select yours from the dropdown menu and add to cart!
-There are several different models available; please be sure to select the correct one. We have many options available.
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Lyman Ammo Checkers are gauges that verify the quality and consistency of both reloaded and factory ammo. They are machined from solid aluminum and cut with custom tooling to SAAMI minimum chamber tolerances. Just drop your cartridge into the gauge and if it fits, it will chamber in your gun.