The .40/10mmPB Patmarlins Checkmaker Forming Die Set is a precision tool used for forming gas checks on ammunition. This set, although not in its original box, is a valuable addition for those engaging in reloading activities, particularly in the hunting and sporting goods field. With its focus on quality and accuracy, this die set ensures that the gas checks are consistent and reliable, enhancing the performance of the ammunition.

**Does NOT include ram ejector arm**

PB stands for “plain base”. PB dies are for cast bullets without a gas check shank, and used for flat- plain base molds. Gas check shank bullet molds use non PB dies.

PB Dies and non (PB) dies do not interchange.