Quickly check to make sure your freshly reloaded cartridge is in spec with the Lyman Small Rifle Cartridge Checker Block. The black checks the quality and consistency of both reloaded rounds and purchased rounds. Quickly confirms that the ammo 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. One gauge will work with a variety of calibers. Drop your loaded round in the ammo checker and if it fits the gauge, it will fit the chamber.

Specifications and Features:
Cut to SAAMI spec dimensions
Aircraft grade aluminum
Orange finish

Fits:
.204 Ruger
.22 Hornet
.223 Rem
.22-250 Rem
.300 AAC Blackout