Machined from certified 416R stainless steel for superior strength, durability, and accuracy, StormLake's 1911 barrels are match grade, hardened to 40-42 HRC and cut broach rifled. This unramped drop-in model features .578"-28 threads for suppressor without o-ring, and a melonite finish.
|Caliber or Gauge||45 Automatic Colt Pistol (ACP)|
|Barrel Features||.578"-28 tpi|
Determined at checkout.