Rosco K9 Sauce Pack Features The Rosco Manufacturing K9 Sauce Pack is built around a 12.5 inch stainless steel barrel finished in black nitride for added corrosion resistance and durability under hard use. A 1 in 7 inch twist rate stabilizes a wide range of 5.56 NATO bullet weights making the barrel suitable for both lightweight and heavier loads. The 1/2x28 thread pattern accepts standard muzzle devices and the barrel ships with a HUXWRX Flash Hider QD XL that is pinned and welded in place. This combination gives builders a dependable ready-to-run foundation for a carbine or pistol project. Rosco assembled this bundle after customers asked for a curated set of components that are verified to work together rather than piecing together individual parts from multiple sources. Every part in the Sauce Pack is designed to synchronize creating an uninterrupted system that performs reliably from the first round fired. At 27.05 ounces the barrel assembly keeps the overall build manageable in weight for everyday carry and range use. The Rosco K9 Sauce Pack is available for sale at GrabAGun for builders seeking a matched performance-focused 5.56 NATO component set. Rosco K9 Sauce Pack Specifications Manufacturer: Rosco Model: K9 Sauce Pack Caliber: 5.56 NATO Barrel Length: 12.50 Barrel Material: Stainless Steel Barrel Finish: Black Nitride Twist Rate: 1:7 Thread Pattern: 1/2x28 Weight: 27.05 oz Available At: GrabAGun