Check the listing for details. Bob Long Insight NG - Color Coded 3x Oring Rebuild Kit. Condition: New. Listed at 14.59 USD. Bob Long Insight NG - Color Coded 3x Oring Rebuild Kit Product Features: O-rings are color coded by size, eliminating the headache of matching up sizes. Included color/size chart helps with your first time rebuilding your marker. After that, just replace orings by color when it comes time to rebuild again. All of the o-rings you need to perform a standard rebuild of your marker three times (other quantities available). Your marker can fire thousands of rounds every week, puts up with the beating of countless rainy Sundays, and withstands a number of slides through the dirt and mud. Through all of this, you still expect your marker to perform week in and week out. A small bit of maintenance is key to ensuring that your marker functions and performs at its best. One major aspect of marker maintenance is replacing your o-rings. The o-rings in your marker wear down over time by withstanding thousands of cycles along with coming in contact with dirt/debris. Our kits provide an easy and inexpensive way to keep your marker in top shape by swapping out your o-rings. Note: The product image associated with this item is a sample only. Your will receive the kit for your specific marker that you order which will contain the o-rings needed for that marker. Includes the following o-rings (multiplied by the number of rebuilds in the kit): Ram Housing to Back Cap Mainbody to Sol Manifold (x2) Grip Frame to Mainbody Ram Shaft to Pillow Bolt Cam Drive ASA to Grip Mainbody to Sol Manifold Mainbody to Sol Manifold Mainbody to Sol Manifold Ram Housing to Gas Interlock Inside Mainboyd to Inline Reg Ram Shaft Bumper Refill Plug (inner) Ram Shaft (outside) (x2) Inline Reg to Mainbody Gas Interlock Button (outside) Inline Reg Spring Follower (outside) Ram Housing (inner) Pillow Bolt (outer) Inline Reg Piston (outer) Inline Reg to Inline Reg Base Volume Chamber (inner) Volume Chamber to Mainbody Ram Housing to Volume Chamber Ram Housing (outer) (x3) Refill Plug (inner) Pillow Bolt to Vol Chamber This kit contains a 3x rebuild quantities for all standard o-rings and 1x rebuild for all of the metric o-rings. Note: The Bob Long Insight NG kit includes the updated 20x2mm o-ring.