Here is what my MP-15OR turned into... (and I think I'm just about done)
Sights up...
Sights down...
Magpul MOE hand guard
Magpul ACS Stock
ERGO grip
Midwest Industries Sights
EOTECH 512
Vickers sling
BCM Gunfighter charging handle
Spikes Tactical ST-T2 heavy buffer
Take care,
Bob S.