BCM upper 10.5 

Daniel defense RISII mk18 handguard

arisaka handstop 

streamlight protac HLX

Colt C -stamped BCG

radian metal charge handle 

sig sauer 4xt pro on an arisaka 1.93 mount is on it  UH-1 AND MAG ARE GONE  

aero m4E1 lower

geissele SSA trigger

radian 45/90 selector. 
KAC rail guards 

head spacing has been performed and entire upper is within specs of itself.