Thanks! I'm gonna keep the stock butt on there, and I'm not gonna be adding a pistol grip. The only permanent feature I want to add is the muzzle brake, which is perfectly legal. The rest of the stuff, like the side mount, UTG mount, etc, are all legal (My bro-in-law is a sheriff and I verified with him that my setup would be OK):
12276.1. (a) Notwithstanding Section 12276, "assault weapon" shall also mean any of the following:
(1) A semiautomatic, centerfire rifle that has the capacity to accept a detachable magazine and
any one of the following:
(A) A pistol grip that protrudes con