Fucked up and got 7.62x39 ammo today and well said to far to go back to the store.
https://sandersarmoryusa.com/product/ar47-16-7-62x39-complete-upper-assembly/
Ordered that and a pmag instead. Lol 299 for a complete upper? No brainier if I say so myself.
Pistol trigger? You mean the CMC two stage I am using?