Here are the pics:

SBR:
LMT Lower
RWMD upper
Compass Lake Kreiger 9" barrel
kac urx iii rail, t-1 mount, micro buis, handstop
aimpoint t-1
nickel boron bcg




SPR:
Spikes billet ambi lower
Vltor billet monolithic upper
geissele DMR trigger
Magpul M93 stock
ACOG on larue mount
insight reflex red dot off canted mount
Sabre Defense barrel




and my son's 15-22