MAGS:
Aside from a quality upper and good ammo, the magazine you choose has a large amount to do with how well your AR22 build functions.
We recommend the following:
For true last round bolt hold open, choose Kriss Mags with upgraded springs and a bolt catch in your lower.
For general use (if you do not need last round bolt hold open that works with the bolt catch), choose Black Dog Mags
AMMO:
FRT/SS requires good quality ammo with enough power to cycle the bolt. Here are some ammo Types we’ve had good luck with: