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

"Ordered this bc I needed 1.00$ extra for free shipping lol ended up really needing this big time, a year later the O-ring on the Cyma piston-piston head combo was a bit too small, installed this bad boy and boom perfect compression.

"Very goat

Pros:
Works

Cons:
Evikes terrible shipping

"Replacing the stock oring off of my cyma with this one got me nearly perfect compression along with teflon tape around the cylinder head. Simple to install if you are familiar with your gearbox at all. Well worth the effort to install.

"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.