Hornady Cartridge Gauge 6mm Arc (.243)

Check your cases and ammo to ensure a proper fit in SAAMI chambers with the Hornady Lock-N-Load Rifle Cartridge Gauge. Constructed of stainless steel, this gauge ensures loaded or unloaded brass casings are not oversized, swollen, or out of spec for safe handling.

Features:Stainless steel;SAMMI spec dimension;Checks chamber fit,head spacing and OAL.