Howa or Ruger American gen 2 in .22 ARC?

[tak]

What magazine do you have on that 22 arc?

Duramag
I think they also make the regular AR 5 rounders that come with the gun.

Ruger American AR Pattern Flush-Fit Mags

Duramag SS Flush fit magazine for the Ruger American ranch and predator rifles in 350Legend, 5.56, 400 Legend, 6.5 Grendel, 6mm ARC, 22 ARC

dura-mag.com