Increasing Mold Diameter

If you need the mold diameter of your cast bullets to be increased just slightly, there is a way to accomplish this with negligible ballistic results.

With the mold open, be sure you liberally lube the mold blocks in front of and behind the bullet cavity.  Place a small section of cigarette paper or writing paper to the lubed block .  This prevents it from burning.

When casting the bullet, the diameter of the bullet will be increased by the paper width.  You can actually go up to about .010 before you begin to see lead flashing appear.  While the bullet will be slightly "out of round", this very minimum amount will not effect accuracy or the manner in which the bullet travels through the forcing cone and barrel of your gun.