Put them in a cup with warm water and soap,mix them up a bit with your finger the use a strainer to rinse. You are going to see alot of lead pieces like the one below .That wash take on the 3rd wash and rinse .When done dry them of and for with a very light coating of silicone.Spray of drops what ever you prefer,but do not over pil till there dripping .Just a nice light coat. What happen when you shoot the unclean it the pieces get left in the barrel after firing and the next round has to sqeeze over the ,this cause fliers.Your going to be shocked when you see how many fragments are on them.
MOD EDIT: MOVED TO PELLETS, PROJECTILES & SLUGS SECTION
MOD EDIT: MOVED TO PELLETS, PROJECTILES & SLUGS SECTION