These premium black o-rings are for general use in paintball markers such as Spyder, Warrior, Azodin etc.
They are found on parts such as the front plug, foregrip, valve rear o-ring, bolts etc.
please note that these o-rings may work in other brand markers, but the use thereof in other markers is done entirely at your own risk.
Please contact us before hand to confirm whether these will work in your paintball marker as we are not responsible for items ordered incorrectly.