Here's my Tromix S02. I bought it three years ago and just yesterday finished tweaking it to my tastes.
Here's how it looked before I really started messing with it.
And here's how it looks after I finished tweaking it.
The upgrades include:
1. Leapers UTG Quad Rail (Great if you already have HK sights and don't want to remove them)
2. EOTECH 552 Sight
3. Limbsaver Stock
4. Gasfixer Gas Plug
5. Tromix Bayonet Lug (Now out of production)
6. Vertical Grip (Converts AR-15 pistol grip into a forward grip, I switched it out with an AR-15 Tapco OD Green SAW Grip)
7. E
