The AGN Uragan O-Ring Set (URORING) is a comprehensive maintenance solution designed specifically for the Uragan and Uragan 2 air rifle platforms. In the world of high-pressure PCP (Pre-Charged Pneumatic) rifles, seals are the most common point of failure. This kit provides a full assortment of factory-spec O-rings to address leaks, improve consistency, and perform a total rifle overhaul.