im bored...so heres a pic of a pile of parts. Ive played around with a few configurations and i think i have it figured. FN/A2 upper. Delaware machine lower with consecutive ser. number to my 14.5 gun (its a RRA lower in the pic because i havnt put the DM together. the RRA is just a spare waiting for an idea ).  ACS. MOE handguard. shadow ops FA BCG. its a true rifle length dissy with a DTI barrel. i built one like it for my father in law and it runs flawless. the barrel is a 3lb pig so im havin