Curt and others are right, striking the mould itself to drop/eject a freshly cast projectile is a huge "no no" - unless one likes to buy moulds on a regular basis...
Personally, I do don't even like to strike the sprue "flange" when casting the first few rounds out of a cold mould. If I have to, in those situations, I use a rubber mallet, and take care to only aim on the flange, NOT the mould itself.
Of note to share: When it comes to casting those "sold on TV"-type Oven Gloves have really sped up casting rates for me. They work GREAT in allowing me to directly manipulate/man handle the moulds while casting!! Once the mould is hot, the spur cutter on the mould can be swung/pivoted very quickly & easily by an Oven-Gloved-hand.
Yes projectiles do get stuck in the moulds, even when hot. In those instances a small "love tap" via the rubber mallet - applied only to the HANDLE'S joint is all that is needed, but never to the mould body itself.
If available, before getting the mould hot, a small dose of any mould prep application helps a great deal in getting cast rounds to literally fall out of the mould.
Semper Fi,
Rob Freeman
Col, USMC (Ret.)
1987-2019
The quality of a person's life is in direct proportion to their commitment to excellence, regardless of their chosen field of endeavor. - Vince Lombardi
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