Ed Brown Products Guide Rod Assembly Smith & Wesson M&P/ M&P 2.0 4.25in/ 5in Barrel Beadblasted Stainless. The double hole design allows quick and easy spring changes or have multiple assemblies with alternative spring weights ready to drop in for use with suppressor or different loads. Use the different colored caps as a spring weight indicator. Specifications for Ed Brown Products Smith & Wesson M&P Guide Rod Assembly: Manufacturer: Ed Brown Products Color: Stainless/Black Gun Make: Smith & Wesson Gun Model: Smith & Wesson M&P Smith & Wesson M&P M2.0 Included Accessories: 2 x Caps Condition: New Barrel Length: 4.25 - 5 in Package Contents: Ed Brown Products Smith & Wesson M&P Guide Rod Assembly 2 x 1/16-inch Wrenches What firearm models does the manufacturer say Ed Brown Products Smith & Wesson M&P Guide Rod Assembly is compatible with? The manufacturer says that Ed Brown Products Smith & Wesson M&P Guide Rod Assembly is compatible with Smith & Wesson M&P M2.0 Smith & Wesson M&PEd Brown Products MP-889: Guide Rod Assembly Smith & Wesson M&P/ M&P 2.0 4.25in/ 5in Barrel Beadblasted Stainless