(50) 72 caliber 725 grain pellets. Unlike most of the ammo I have seen and tried so far, these are not from an existing 12ga mold or a tired old 100+ year old 72cal musket molds. These are new custom molds that are meant to have a 1 to 1 fit with the AEA 72. We did this by removing the barrel, plugging it, pouring melted lead in the barrel and creating a form. We used these measurements to order custom molds in a size that never existed before. Even new molds can have tolerances that can be too great for the ammo we want to produce; so, we also had custom sizing tools made (See last three pics). Then when we are done, we hand press the bullets through the barrel to make sure we have perfect contact with the lands and grooves of the rifling (See last pic). Then the fun begins, lots of test firing of the product. This is the process we go through with all the ammo we make. I have also pictured it powder-coated, if you want them powder coated, I will do it at no extra charge. Just keep in mind I size it a second time after powder coating and some of the powder coating may be removed (There may be a slight amount of bare lead).