Description
This 5″ Direct Drop-in Ported Barrel is built for shooters who demand consistent, controllable fire from their FN 509. Designed specifically for use with Apex ported slides, this barrel ensures the port vents align precisely with the barrel ports when the slide is in battery. This is not a universal part; it is a precision component engineered for a specific system.
Constructed from a cold hammer forged blank of heat-treated stainless steel, this barrel delivers the longevity and structural integrity required for high-round-count training and competition. The 1:10 twist rate stabilizes a wide range of bullet weights, while the recessed target crown protects the rifling from damage and maintains shot-to-shot accuracy. The black Melonite finish provides a hard, corrosion-resistant surface that stands up to holster wear and harsh cleaning solvents.
The five-port design works by venting high-pressure gas at a calculated point in the firing cycle. This reduces muzzle rise and felt recoil, allowing you to keep your sights on target for faster follow-up shots. This is a measurable performance gain for anyone running drills, shooting stages, or working through complex strings of fire.
Critical fitment note: The host slide MUST have port vents that align with the barrel ports. If the slide does not have matching vents, the hot gas expelled from the barrel ports will cause catastrophic failure of the pistol frame. Confirm your slide compatibility before installation.
Specifications:
- Caliber: 9mm
- Length: 5″
- Twist Rate: 1:10
- Material: Cold Hammer Forged, Heat-Treated Stainless Steel
- Finish: Black Melonite
- Ports: 5-port design, aligns with Apex 5″ 509 ported slides
- Crown: Recessed Target Crown
- Manufacturing: 100% USA, Phoenix, AZ
- Price: $250
Benefits for your setup:
- Reduced muzzle rise means less time chasing your front sight after each shot.
- Lower felt recoil helps you maintain a firm grip and consistent trigger press through the entire string.
- Cold hammer forged stainless steel construction handles sustained fire without losing accuracy or structural integrity.
- The black Melonite finish resists carbon fouling and salt spray, making cleaning faster and protecting the barrel from rust.
- Target crown protects the rifling from dings and wear, preserving accuracy over the barrel’s service life.
This barrel is intended for shooters who run their gear hard—competition rigs, duty setups, and serious training builds
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