Eotech
YHM flip up rear sight
Ace skeleton rear stock
The best place for solid info on ARs is:
M4carbine.net
they are not fond of Bushmasters, DPMS, RRA, etc..
I know my gun will probably never see 3K rounds in 2 days and it's a plinker in reality... so, I am OK with the fact that it's not the absolute very best
