For a high-quality reloading tool the Lee Round Nose Pistol Mould - 6 Cavity (Handles Sold Separately) is ideal. Even without the handles this is an affordable option loaded with features. The block halves are crimped together so bullets come out round and with a consistent size.

In addition the mould is made with aluminum that is rust resistant capable of heating up and cooling down quickly and it is lightweight compared to blocks made from steel or iron. As a result there is less fatigue on the bullet caster.