Brownells S&W M&P 9mm full-size barrels offer an unprecedented level of versatility and service life for owners of Smith & Wesson’s popular M&P pistols, giving them drop-in barrels that renew worn-out pistols. The Brownells S&W M&P 9mm full-size barrels are all constructed in the USA, made from stainless-steel bar stock that comes 416-R certified and stress-relieved. The barrels are all rifled with a conventional land-and-groove design. Barrel rifled with 1:10 twist rate Suppressor ready with 1/2×28 TPI threaded muzzle 11-degree target crown contributes to accuracy Nitride treatment adds corrosion resistance Brownells S& Mfg: Brownells
