Airsoft GBB Piston Heads: How To Improve FPS Consistency (Accuracy) and Gas Efficiency

I was working with a KJW P226 in this video, but a good O-ring piston head should improve performance in pretty much any GBBP or GBBR. My explanation of exactly why the better seal improves FPS consistency is somewhat incorrect, but it'll give you the just of it.

Видео Airsoft GBB Piston Heads: How To Improve FPS Consistency (Accuracy) and Gas Efficiency канала voymay