I can find a TM Glock Original output valve in TOKYO MODEL. I think it is same with P226, because KM has a option Output valve is for P226 / Glock 17 / 26 / ADV / M9 / PX4 Series.
Original Valve link:
http://www.tokyo-model.com.hk/shop/t...2.html?cPath=0
KM Valve link:
http://www.tokyo-model.com.hk/shop/k...html?cPath=200