The decent o-ring kits come with NRV o-rings included. Just make sure you use black nitrile kit rather than the soft orange kit.
Check the NVR tips for wear, and use the least worn one for NRV-1 to help the tank retain pressure !! Mine are well worn but work perfectly with new o-rings.
Check the NVR tips for wear, and use the least worn one for NRV-1 to help the tank retain pressure !! Mine are well worn but work perfectly with new o-rings.
