going to make some "molds" on the lathe to pour lead for pound cast's. using 1 inch round aluminum x 1.375 long. drilling holes close to land size. measured with pin gages. most sizes will be .002-.004 undersize because nothing falls into the size drill bits that i have. so, my question is will i get a good fillout with a slug that is .004 undersize. my thoughts are that i will , but i have to ask. next will i get a good fillout if i just use a hardwood block and drill holes in it. i know that the slugs will be very wrinkled using hardwood??