I bought the upper/lower combo, the 15" rail, and the 16" AP4 barrel from Reidman. I've saved up a little bit o money, so I'm trying to figure out the rest of what I want to buy. Pretty settled on the Luth MBA1 stock http://www.luth-ar.com/product/the-mba-modular-buttstock-assembly/ the triggerless LPK + upper PK from armalite, have a nice trigger here waiting (can't recall the brand, bought it from another member here) So i'm more or less down to buffer tube/spring/buffer, BCG (LR308 pattern), gas block + tube, and muzzle device after that. Trying to keep it budget friendly, what suggestions do you all have? Not sure if I really need adjustable gas block on this one as i'm unlikely to suppress it