Smith & Wesson M&P9 Shield Plus Barrel Features The Smith & Wesson M&P9 Shield Plus Barrel is machined from stainless steel to factory tolerances ensuring a precise drop-in fit in the M&P9 Shield Plus without modification or gunsmithing. The black Armornite finish delivers superior corrosion and wear resistance through sustained range and carry use maintaining consistent accuracy and durability over the service life of the barrel. The 1/2x28 threaded muzzle opens up suppressor and muzzle device compatibility for Shield Plus owners who want hearing-safe carry and range use. At 3.70 and just 5 oz. this threaded Shield Plus replacement barrel adds suppressor-ready capability to one of the most popular micro-compact carry pistols on the market without altering the platform s slim concealable profile. A factory-correct upgrade that delivers meaningful performance versatility in a direct drop-in package. Smith & Wesson M&P9 Shield Plus Barrel Specifications Manufacturer: Smith & Wesson Model: M&P9 Shield Plus Barrel Caliber: 9mm Luger Barrel Length: 3.70 Barrel Material: Stainless steel Barrel Finish: Black Armornite Barrel Profile: Threaded Thread Pattern: 1/2x28 Weight: 5 oz. Firearm Fit: Smith & Wesson M&P9 Shield Plus M&P9 Shield