Polishing techniques are often held close to the chest and used in isolation for fear that a competitor would gain some advantage. Well airgunners, the time has come to blow those doors wide open! Champion airgun shooter, Nic Gregoris brings us into his workshop.Polishing techniques are often held close to the chest and used in isolation for fear that a competitor would gain some advantage. Well airgunners, the time has come to blow those doors wide open! Champion airgun shooter, Nic Gregoris brings us into his workshop as he shares his barrel prep secrets that will allow you to get the most out of any airgun barrel. From high priced to big box store bargain, Nic will get your airgun barrel in to notch shooting condition with a few strokes of polish.