Bushmaster 16" barrels + A2 FS are threaded (I assume to 1/2” -28).
Does the RRA mid-length (or any RRA 16") have the A2 FS attached via threads as well?
If so are they threaded 1/2” -28?
THX in advance
YES. They are 16" without the FS so it's not permanently installed and you can swap at will!