The K9 continuous taper is the most effective profile to dissipate heat from hard use. With weight shifted to the back of the barrel, modern attachments on the front of the rifle create a perfectly balanced and better handling rifle. Rosco Manufacturing is an American manufacturer of hard-use precision pistol and rifle barrels. Our production facility in Central Falls, RI has over 50,000 square feet of production space with room for high volume capacity. Rosco supplies major gun manufacturers with high quality products. Through superior workmanship and unprecedented engineering, our product line continues to exceed expectations and provides a complete solution for the OEM.