It was not a manufacturing unit issue for that model. Possibly Innovative crafting of a normal inventory. Photos would support to find out the appx 12 months your rifle was manufactured. 44 With all the Higher Wall version, built for the greater highly effective cartridges, just the highest on the https://highimpactrounds.com/product/winchester-xpert-20-ga-2-75in-6-3-4-oz-1325-fps-game-load-25-rd-box/