Check the listing for details. Kingman Spyder Paintball Gun O-Ring Seal Kit Complete. Condition: New. Listed at 12.95 USD. This is the proper o-ring seal kit for Kingman Spyders. The purpose of a Spyder O-ring Kit is to replace the o-rings in a paintball marker to ensure that it continues to perform at its best. O-rings wear down over time due to use and exposure to dirt and debris, and replacing them is an important part of marker maintenance. Here are some benefits of maintaining the marker an replacing the o-rings/seals: Improved Performance: O-rings help ensure that air pressure is directed to the paintball, resulting in a straighter, faster, and more precise shot. Inexpensive: O-ring kits are an affordable way to keep your marker in good condition. ** Also fits most Spyder clone blowback paintball guns.The kit includes the proper Striker O-Ring (Red), and the other correct O-rings for the Valve Body, Bolt, LPC, Fore-Grip.Includes:1 - Striker O-Ring (RED)5 - Buna O-Rings5 - Urethane O-RingsFits:AggressorElectraFenixMR1MR100MRXPilotSonixTL-RVictorXTRA