Derya Island Complete Upper, Slide, 3.86″ Ported Barrel, Black

Product Description

The Derya DY9 9mm complete upper assembly is engineered for shooters seeking modularity and reliable performance. This premium upper combines a short 3.86″ ported barrel with an optics-ready slide design. Additionally, it accepts modern red dot sights for enhanced accuracy and rapid target reacquisition.

Furthermore, the DY9 Island Upper fits both Glock 19 Gen 4 frames and Derya DY9 frames. This exceptional flexibility allows builders to customize their platform without purchasing multiple uppers. The melonite finish delivers superior corrosion resistance and a professional black appearance.

Performance & Handling

The ported barrel design reduces muzzle rise and recoil impulse during firing. This improvement in handling and control makes the DY9 ideal for rapid-fire scenarios and competitive shooting. The 3.86″ barrel length strikes the perfect balance between velocity and maneuverability.

Moreover, the optics-ready configuration eliminates the need for additional slide modifications. Installation of your preferred red dot sight is quick and straightforward. This complete upper assembly arrives fully finished and ready for immediate use or integration into your build.

Ideal Uses & User Base

The Derya DY9 9mm upper suits competitive shooters and tactical trainers who demand reliability. Additionally, sport shooters benefit from the compact design and recoil reduction during recreational range sessions. Finally, home defenders and concealed carry users appreciate the compact barrel length and quick-handling profile.

Available at Western Sport – Roanoke, TX

Western Sport is a licensed FFL/SOT dealer serving North Texas and the DFW area since 2007. We stock the Derya DY9 9mm complete upper assembly and provide expert guidance on compatibility and installation. Contact us at 817-393-4000 to discuss your build and verify local availability.

Why Buy from Western Sport?

• Licensed FFL/SOT dealer with 17+ years of firearms expertise and community trust.
• Knowledgeable North Texas staff provides personalized guidance for every build question.
• Competitive pricing matched against major retailers on quality components.
• Fast transfers, comprehensive after-sale support, and manufacturer warranty assistance included.
• Full compliance with federal and state firearms regulations for your peace of mind.

Frequently Asked Questions

Q: Will the Derya DY9 upper fit my Glock 19 Gen 3 or other generations?

A: The Island Upper is specifically designed for Glock 19 Gen 4 frames and Derya DY9 frames. We recommend verifying compatibility with your exact frame model before purchase to ensure proper fit and reliable function.

Q: What red dot sights are compatible with the optics-ready slide?

A: The optics-ready slide accepts industry-standard mounting patterns. Our staff can recommend specific sight models and compatibility details. Contact Western Sport at 817-393-4000 to discuss your preferred optics.

Q: How quickly can I complete a transfer at Western Sport in Roanoke?

A: As a licensed FFL dealer, we process transfers efficiently and comply with all Texas firearms regulations. Call us at 817-393-4000 to discuss your timeline and transfer details.

Q: Is the ported barrel beneficial for competitive shooting or recreational range use?

A: Yes, the ported design significantly improves control and target reacquisition during rapid fire, making it excellent for both competitive matches and recreational range sessions. The reduced recoil helps shooters stay on target faster.

Additional information