Lyman Multi Caliber Ammo Checker Reloading Accessory

Lyman’s MSR Ammo Checkers are precision-machined from solid aluminum blocks and cut with custom tooling to minimum chamber dimensions. They allow you to verify the quality and consistency of both handloaded rounds and factory ammunition. This multi-caliber set covers 223/5.56, 6.5 Grendel, 6.8 Rem. SPC, 7.62×39, 300AAC Blackout, 450 Bushmaster, 458 SOCOM and 50 Beowulf.