Get some BlackDogMachine mags, lube the mag and the conversion kit up well, and it'll shoot like a champ. I use mostly Federal bulk target ammo, or Remington Gold pack. Both of those have shown great results.
I use to have this bolt conversion kit, work pretty much flawless. But it takes...
Nice........... I saw an upper for sale in Columbus last week... almost hopped on it.
Already have AR pistol in 5.56 and 22LR. Waiting for my 5.45x39 barrel to be chopped and converted to pistol size. I guess after that I'll build a 9-ner.