yeah nodak makes em, but I'd rather not pay thru the nose...I'll find one, one of these days.
Postban Bushmaster are prime for an IDF clone. The made a crap ton of them with 14.5" chrome lined barrels, pinned mini y comp and an A1 upper. They still made them after the sunset of the ban but they moved them up to 16" barrels and ditched the mini y comp. Cut off the mini Y comp and you are well on your way to an IDF clone. They can usually be found fairly cheap.