Gold MedalA(R) Primers are manufactured to exacting tolerances, so if you load your own you know you're getting the same high-quality primer components and optimum ignition that make our Gold Medal cartridges the choice of match shooters everywhere. Knowing this will give you the extra confidence you need. FEATURES Industry-leading precision and consistency Reliable ignition Built to extremely tight tolerances Caliber: .155 Type: Large Magnum Pistol Match Bullet Style: Large Usage: Reloading Mfg: Federal