Lone Wolf AlphaWolf 40-9 Conversion 3.9" 9mm Barrel for S&W M&P Shield - AWSWS409N

The Lone Wolf Arms AlphaWolf 40-9 Conversion Barrel for Smith & WessonA(R) M&PA(R) Shield Pistols is a drop-in caliber conversion barrel, engineered to convert your M&P handgun chambered in .40 S&W to a reliable 9mm handgun. Features stress-relieved 416 stainless steel construction, heat treated to RC 40-42 hardness and finished with a corrosion-resistant SBN (Salt Bath Nitride) coating for a surface hardness of RC 60. The bore is button-rifled and honed to deliver match-grade accuracy. Plus, a proprietary fluting pattern reduces weight and facilitates faster cooling. Machined to exact tolerances for drop-in installation and safe and consistent performance. Made in USA.