With the quality of AS parts of past as any indicator
.... Likely while it looks good finish wise, component quality would leave me wary
Design wise with the double vent holes each size nothing more than a Knock off of a like design ideas shared on the web near 6-7 years ago !!
Another company out of Asia tried Knocking off the Oval venting Slot piston design unsuccessfully @ 4-5 years ago.
At $18 ya never know ? ... maybe a great piston or grenade at high rpm causing more than piston cost or you saved in the first place ??? ... No clue honestly.