Mechlabs X-Mod with spare orings (full Auto)

Selling this HPA engine, brand new on the market, purchased 2 pcs to make a video, keeping the pink one, selling the black one. 
On demand, the trigger it comes with can be standard black curved, pink flat or black flat. Extra 20 Eur for the flat triggers. 

It consumes air like any single solenoid system, but it requires NO BATTERY, it's fully mechanical. No FCU, no solenoids etc. 
ROF is around 26 RPS, more details in YT video i can send in private.