G&P High Air Seal Airsoft AEG Piston Head O-Ring (One)

"I got one of these with my order randomly. (Or evike was awesome enough to throw in extra stuff lol)

I had been having compression issues with my KWA G36 so i opened it up and found a damaged piston head o-ring. Gave me a nice FPS and air efficiency boost. Make sure you use silicon oil to keep the

Pros:
everything
Compression
Air efficiency
everything
Evike


Cons:
No pizza with it.