62x39 or five.45x39 ammo. It really is like, How is there not both of these calibers on the shelf when There exists a war remaining fought with it right this moment?" It's possible just answered my own dilemma, but would probably go along with a 5.56 AK at this time. https://45gapammoprice55432.ampedpages.com/considerations-to-know-about-bulk-45-gap-ammo-64754925