PMR-30 Ammo:

PMR-30 requires .22WMR of at least 40 grain and up at a minimum to provide enough energy during recoil to facilitate proper cycling operation of slide.

Loading Operation:

Plastic 30 round Magazines for the PMR-30 have a limited lifespan and are prone to not stacking properly while loading the magazine.  You have to pay close attention to each round as it is stacking up in the plastic magazine as they can move around a bit and the plastic will flex, especially near the top of the mag surrounding the feed lips.

See attached KEL-TEC PMR-30 Operator Notes.

KEL-TEC PMR-30 Parts Exploded View Below: