Well, I'll add my pride and joy. My Daniel Defense/MagPul M4.
Externally:
-Base Gun SOCOM Gear Daniel Defense M4
-MagPul PTS UBR Stock
-MagPul PTS MOE Pistol Grip
-MagPul PTS Trigger Guard (Polymer Version)
-MagPul MBUS2 Sights
-MagPul (Actually Ergo technically) Ladder Rail Covers (x4)
-MAG Mids (W/ FDE MagPuls)
-Stock DD Receivers
-Stock Trademarked Barrel
-Madbull DD 9" LITE RIS
-ACM PEQ15 Battery Box
-G&P 552 Sight
-MagPul PTS AAC 51T Flash hider
-MagPul PTS RVG
-MagPul RSA
-MFT Torch Mount
-Surefire Flashlight Clone
-SPEED Airsoft Trigger
-SPEED Airsoft Mag Release
Internally:
-VFC Gearbox Shell (Radius'd)
-PDI 190% Spring
-SHS Spring Guide
-SHS 15T Piston
-Lonex POM Piston Head
-Modify Type 1 Ported Cylinder
-Modify Steel Cylinder Head (w/ 70D sorbo and neoprene backer)
-Modify POM Air nozzle
-Lonex Orange Motor
-RiotSC 14:1 Gears
-16 AWG Wires
-DE 3034 FET w/ TVI
-XT Connectors
-Lonex Chamber (O ring mod applied and shimmed hopup arm)
-IR Hop
-M Nub
-Prommy EG 363mm Barrel (6.03mm)
-Snibble Shim
-SHS Tappet Plate
-Stock Aluminum Selector Plate (Why aluminum, I will never know)
-HS5 Barrel Shim
Modifications:
-AOE
-Compression Perfected
-Shimmed
-O ring Mod
-Debating doing a hair trigger
-Swiss cheesed piston
-Hop up fine tuned
-Debating doing the tappet plate bearing mod using delrin bearings
-Radius'd Shell
-Polished Gearbox
-Stablized Barrel
-Shimmed hop up arm
-Glued nozzle to the tappet plate
-Sanded the front of the tappet plate a bit to help feeding
-Modded the magazine followers to enhance their feeding ability and prevent misfeeds/jams
-velcro in the magwell to seat the mags better
-Missing quite a few other mods, just too lazy to list I guess.
Gun Pr0nz(I used thumbnails to avoid the extremely large pictures. If you want to see them better, just click on them.):
Not going to list the mods on this one.