I started years ago with a bone stock Bushmaster A2 16" HBAR. It had no muzzle device and a rigid stock. I slowly began building it to my liking until there was nothing except the Lower Receiver which was original. Here is my current setup.
BM XM15E2S Lower
Model 1 Sales A3 Upper
BM 14.5" M4 Barrel w/ extended A2 Flash Hider
Magpul MOE Stock
MI Rail
Magpul AFG2
Magpul XTM Panels
Magpul MBUS Rear Sight
Magpul ASAP sling attachment
Aimpoint ML2
Bookmarks