So, njsp did not submit a bid for their own "type" of 229. They selected the Sig 229 enhanced elite, a gun that had already been in Sigs inventory.
With the only differences in a standard 229 and the enhanced elite being a beavertsil grip
I'mstill putting money on it being shirty training ammo. And I wouldn't be surprised to learn it's something like wolf steel cased ammo