StormLake Smith & Wesson barrels are machined from certified 416R Stainless steel for superior strength, durability and accuracy. Barrels are match grade, hardened to 40-42 HRC and cut broach rifled to shoot jacketed or lead bullets. All barrels are chambered for full case support. All Smith & Wesson M&P barrels are drop in and will only occasionally require modification to fit.
|Caliber or Gauge||45 Automatic Colt Pistol (ACP)|
|Model||M&P Full Size|
|Barrel Features||.578"-28 tpi|
Determined at checkout.