QPQ and PVD finishes offer outstanding protection against the elements while enhancing the barrel’s appearance. QPQ improves surface hardness and wear resistance while PVD adds a durable coating. Expect excellent corrosion resistance and long-lasting durability. Featuring a 1/2×28 threaded muzzle option our barrels allow easy attachment of suppressors or compensators. Material: Hardened 416R Stainless Steel Model: 17 Twist Rate: 1/10″Pistol Barrel Weight: 3.2ozThreaded barrels include a standard thread protector