Quick view Rosco Manufacturing Rosco Manufacturing HSK-103-SOC-556-7-C-CL Husky 5.56 NATO 10.30" Chrome Lined Phosphate 4150 CMV Barrel $157.16 $151.20 The Husky Series gives the take on a SOCOM 10.3. While this barrel isn't exactly heavy in weight, only a few ounces more than the Bloodline 10.5" barrel, the Husky profile helps defeat the heat and reduce barrel whip. This barrel is phosphate coated with... Compare Add to Cart