overpowder wad, plastic shot cup piston removed, jusciy 1/2" olive oil soaked. use in my .410,28,20 n 12ga. they keep very good pattern.squirrels dont like .410 or 28 n good for 40yds. .410 was made from old stevens bolt. receiver removed n squared,drilled n taped 5/8-18, used underhammer...