JP Semi-Auto Case Gauge .223

Optimized for semi-automatic rifles, the second generation JP Case Gauge guaranties function of your ammo. If it fits our gauge, it will fit even a minimum-depth SAAMI chamber without interference.

Take comfort that your ammo will never hold you back.

Features:

Specially calibrated to ensure function in semi-auto rifles
Guaranties ammo fit in a minimum-spec SAAMI chamber
416 stainless steel construction for wear resistance and greater longevity