Here, i actually made a review of me cleaning out the barrel when i first got the gone and this is what was inside of it!!! I talked to Jason from HotSpotAirsoft and he had no clue what this stuff was, its like some type of cheap crappy grease or copper fouling...
I was shooting it today to get a better feel for it, and i noticed a couple of things..
1. The mag it comes with cannot keep up with the ROF, so it will double feed every 150 or so rounds, i think it fixed that though.
2. The inner barrel was EXTREMELY DIRTY, which caused a jam but was easily fixed.
This is the inner barrel.
![The perfect BB? SDC10311](https://2img.net/h/i662.photobucket.com/albums/uu350/HALO3MLG2009/SDC10311.jpg)
It is a REFORMATION II which is 6.00mm DIA and is crowned and ported /
![The perfect BB? SDC10320](https://2img.net/h/i662.photobucket.com/albums/uu350/HALO3MLG2009/SDC10320.jpg)
I used some Hoppes #9 oil and barrel swabs with a .22cal barrel cleaner to clean it and this is what i found inside the barrel.
![The perfect BB? SDC10310](https://2img.net/h/i662.photobucket.com/albums/uu350/HALO3MLG2009/SDC10310.jpg)
As you can see the crud in the barrel gets lighter and lighter, so that's a good sign. I think its some kind of cheap grease or copper fouling.
![The perfect BB? SDC10306](https://2img.net/h/i662.photobucket.com/albums/uu350/HALO3MLG2009/SDC10306.jpg)
I had also installed a drilled out suppressor so it fits mid-way down the barrel, it gives it a cool look i think.
![The perfect BB? SDC10321](https://2img.net/h/i662.photobucket.com/albums/uu350/HALO3MLG2009/SDC10321.jpg)
Let me know what you think!