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Lyman's Ammo Checkers check the quality and consistency of both reloaded rounds and purchased ammunition.  A must for any auto shooter for easy and consistent feed. You can't afford misfeeds, so get the easiest "no-go, gauge available today!

These Ammo Checkers are gauges that allow a reloader to quickly confirm that their ammunition will fit in their chamber. Machined from solid blocks of 6061 T6 aircraft grade aluminum and cut with custom tooling to SAAMI minimum chamber dimensions. Ammo Checkers are available in three designs covering most common handgun and rifle calibers. One gauge will work with a variety of calibers. Just drop your loaded rounds in the ammo checker, and if the round fits into the gauge, it will fit in the gun's chamber. Each caliber is clearly engraved on the gauge. Bright orange anodizing makes them easy to find on your reloading bench. Upgrade your reloading area today with Lyman’s Ammo Checkers and begin saving.

Handgun Gauge - 380 Auto, 9mm Luger, 38 Super, 40 S&W, 45 ACP, 38 Special/357 Magnum, 44 Magnum/Special, and 45 Long Colt

Small Rifle Gauge - 204 Ruger, 22 Hornet, 223 Remington, 22-250 Remington, 300 AAC Blackout, and 7.62x39mm

Large Rifle Gauge - 243 Winchester, 270 Winchester, 30-30 Winchester, 308 Winchester, 30-06, 300 WSM