That's Dutch, I think, maybe South Africa?
I have seen neutered versions of several popular semi auto rifles, but the only ones I have seen for sale in the US are the pump action AK rifles that California allowed for a while. Actually saw one in a pawn shop once, laughed because it was going to stay there forever, in Free AZ.
You might look at CzechpointUSA, and ask them, as those pictured are vz-58 neuters.
Would the BREN work as a bolt action? With the reciprocating bolt handle, that is entirely possible, but would it be legally allowed as a bolt action to a place that outlaws the complete rifle? Unknown.