I have heard that the jam more often then they fire.
I have used a Bushmaster complete upper .22lr, didn't do very well either.
alot of problems with the mags, eventually sent it back to Bushmaster after trying many mags.
I have used a Bushmaster complete upper .22lr, didn't do very well either.
alot of problems with the mags, eventually sent it back to Bushmaster after trying many mags.