Apex Tactical Apex Grade 9mm 4" Fluted Threaded Barrel, Black Melonite - 105-072
- Type: Fluted, Threaded
- Series/Collection: Apex Grade
- Size: 9mm Luger
- Barrel Length: 4"
- Material: Stainless Steel
- Finish: Black Melonite
- For Use With: FN 509 Pistol
This Apex 9mm Threaded Barrel is designed specifically for the FN 509 model pistols with a factory 4 inches barrel. This includes the FN 509 Midsize. The heat treated stainless steel barrel has a black Melonite finish with contrasting stainless flutes. The barrel features a 1:10 inches twist rate that is designed to increase accuracy performance. The thread pattern is 1/2-28 and a thread protector is included. This barrel is a true drop-in and requires no fitting.
- Direct replacement of factory 4 inches barrel (no fitting required)
- Improves accuracy
- Use the included light recoil spring assembly when shooting this barrel with a compensator
- Includes (1) thread protector with O-Ring (installed), (1) light recoil spring assembly