DY9 COMP

Derya DY9 COMP Knowledge Base

Overview

The Derya DY9 COMP is a semi-automatic, striker-fired pistol chambered in 9mm, designed for unmatched performance, adaptability, and control. Featuring a precision-threaded honeycomb stainless steel barrel with a factory-attached compensator, it dramatically reduces muzzle rise and felt recoil, enabling ultra-flat shooting and rapid follow-up shots. Ideal for concealed carry, home defense, recreational shooting, and competition, the pistol offers 10+1 or 15+1 capacity configurations, a premium polymer frame with interchangeable backstraps, Truglo fiber optic sights, and a rugged black melonite finish. The Complete Upper is compatible with DY9 frames and frames for Glock 19 GEN 4, providing a versatile, drop-in upgrade for enhanced tactical capabilities.

Technical Specifications

• Caliber: 9mm Parabellum
• Action: Striker-fired, semi-automatic
• Barrel Length: 4.64"
• Barrel Material: Threaded honeycomb stainless steel (precision-engineered for compensator attachment and suppressor compatibility)
• Slide Material: Forged steel with optic-ready cut and slide cuts for enhanced cooling and weight reduction
• Frame Material: Premium polymer with interchangeable backstraps (Small, Medium, Large, XL)
• Finish: Black melonite (Nitride) for corrosion resistance and durability
• Magazine Capacity: 10 or 15 rounds (standard); compatible with magazines for Glock 17 (17rd), Glock 19 (15rd), and Dagger models
• Sights:
  • Front: Truglo Fiber Optic (Red)
  • Rear: Truglo Green
  • Note: Fixed sights optimized for rapid acquisition; proprietary design
• Optic Compatibility: Optic-ready slide with two included plates compatible with Trijicon, Vortex, Truglo, Docter, Meopta, and Insight footprints
  • Suggested torque for optic screws: 12–16 inch-pounds
• Magwell: Not included as standard (optional compatibility with Derya accessories for extended magazines)
• Safety Features: Firing pin block, anti-drop trigger block
• Weight: 2.05 lbs (32.8 oz, complete pistol unloaded)
• Length: 7.52"
• Height: 5.5" with magazine
• Width: 1.38" at widest point
• Trigger Pull Weight: 5.5 lbs
• Rail Type: Picatinny
• State Compliance: Maryland pending; not currently sold in California or Massachusetts

Key Features

• Threaded Honeycomb Barrel with Compensator: Features upward-directed gas ports on the factory-attached compensator, reducing muzzle rise by around 25% and felt recoil for superior stability and faster target reacquisition; threading supports easy suppressor swaps.
• Optic-Ready Slide: Includes two universal plates for seamless red dot mounting, enhancing precision in dynamic scenarios.
• Enhanced Cooling and Aesthetics: Honeycomb barrel pattern and slide cuts promote heat dissipation, reduce overall weight, and deliver a tactical, aggressive look.
• Ergonomic Customization: Polymer frame with four interchangeable backstraps (S, M, L, XL) ensures a secure, comfortable fit for all hand sizes, reducing fatigue during extended sessions.
• Complete Upper Compatibility: Drops onto DY9 frames or frames for Glock 19 GEN 4, ideal for custom builds and upgrades.
• Use Cases: Concealed carry, home defense, recreational shooting, competition.

Magazine Compatibility

• Standard Magazines: 10rd or 15rd Derya magazines included (1 magazine per pistol).
• Compatibility: Fully compatible with magazines for Glock 17 (17rd), Glock 19 (15rd), and Dagger models. Most aftermarket options for these platforms function reliably; extended 30+ round magazines fit without protrusion.
• Magwell Note: No standard magwell; for faster reloads with extended magazines, optional Derya magwell and basepads ensure smooth seating (available at www.derya.us/magazine-base-plate-dy9).

Availability

• Complete Pistol: 10rd or 15rd configurations, available through the dealer locator at https://derya.us/dealer-locator/.
• Complete Upper: Available at https://derya.us/complete-upper-dy9-comp/ or through dealers, with distributors Lipsey’s, RSR Group, and Sports South.
• Compensator (standalone accessory): Precision-engineered for DY9 COMP, available at https://derya.us/derya-dy9-compensator/.

DY9 COMP Overview Video: Tutorial video coming soon.

FAQ

• What is the Derya DY9 COMP? The DY9 COMP is a striker-fired, semi-automatic 9mm pistol with a threaded honeycomb stainless steel barrel and factory compensator, reducing muzzle rise for enhanced control. Available in 10+1 and 15+1 configurations, it’s perfect for concealed carry, home defense, and competition.
• What is the recoil spring weight for DY9 COMP? 15 lbs (standard for reliable cycling with compensator).
• What makes the compensator and honeycomb barrel unique? The factory-attached compensator features upward gas ports that cut muzzle rise by around 25%, while the honeycomb pattern on the threaded stainless steel barrel improves cooling, rigidity, and weight savings. This combo ensures flatter shooting and versatility for suppressors, outperforming standard barrels.
• Is the DY9 COMP suitable for women shooters? Yes, the ergonomic polymer grip with interchangeable backstraps (S, M, L, XL), lightweight 2.05 lb design, and reduced recoil make it comfortable and controllable for smaller hands, minimizing fatigue for confident shooting.
• Can I use the DY9 COMP Complete Upper on other firearms? Yes, the Complete Upper fits DY9 frames and frames for Glock 19 GEN 4, enabling easy upgrades with the compensator and optic-ready features.
• What optic plates are included, and why are they important? Two universal plates compatible with Trijicon, Vortex, Truglo, Docter, Meopta, and Insight allow quick red dot installation (torque to 12–16 inch-pounds). This modularity boosts accuracy and speed for defensive or competitive use.
• Where can I purchase the DY9 COMP or Complete Upper? The complete pistol is available through Derya’s dealer network via the dealer locator at https://derya.us/dealer-locator/. The Complete Upper is available at https://derya.us/complete-upper-dy9-comp/ or through dealers. Dealers can order via Lipsey’s, RSR Group, or Sports South.
• What are the magazine capacities for the DY9 COMP Pistol? Standard 10+1 or 15+1 Derya magazines. Compatible with magazines for Glock 17 (17rd), Glock 19 (15rd), and Dagger; extended 30+ round options fit seamlessly.
• How does the DY9 COMP improve recoil management? The compensator redirects gases upward to minimize flip, paired with the honeycomb barrel for faster cycling—delivering around 25% less muzzle rise for on-target control.
• Is the DY9 COMP suitable for beginners? Absolutely; its intuitive striker-fired action, customizable grip, and tamed recoil build confidence, making it beginner-friendly while scalable for advanced users.
• What are the primary use cases for the DY9 COMP? Excels in concealed carry, home defense, recreational shooting, and competition, with suppressor-ready threading for versatile applications.
• What is the poundage of the recoil spring for the DY9 COMP? 15 lbs
• What are the differences between the DY9 COMP and the DY9?
  • Barrel and Compensator: DY9 COMP adds a threaded honeycomb stainless steel barrel with factory compensator for reduced recoil, unlike the standard DY9 barrel.
  • Slide: Optic-ready with included plates and cuts for cooling.
  • Length: Slightly longer at 7.52" due to compensator.
• What are the differences between the DY9 COMP and frames for Glock 19 GEN 4?
  • Barrel and Compensator: Unique threaded honeycomb design with compensator reduces muzzle rise, absent in standard Glock setups.
  • Grip Angle: Optimized for DY9 ergonomics.
  • Sight Cuts: Proprietary Truglo fiber optics; optic plates for multiple footprints.
  • Firing Pin and Extractor: DY9-specific.
  • Recoil Guide: Compatible with Glock 19 GEN 4.
  • Holster Compatibility: Many Glock 19 holsters work, but not guaranteed.
  • The DY9 COMP Complete Upper fits frames for Glock 19 GEN 4.
• Where is the serial number located? On the bottom of the frame.
• What materials and finishes are used in the DY9 COMP? Barrel: Threaded honeycomb stainless steel. Slide: Forged steel. Frame: Premium polymer, dyed for color consistency. Finish: Black melonite for durability; optional Cerakote available.
• Can I use aftermarket magazines for Glock 19 with the DY9 COMP? Yes, most magazines for Glock 19 (15rd), Glock 17 (17rd), and Dagger are compatible without issues. Extended 30+ round magazines seat fully.
• What sights are included with the DY9 COMP? Truglo fiber optic front (red) and rear (green) for quick acquisition; proprietary and not interchangeable with Glock sights.
• Do you have an estimated percentage of muzzle rise and recoil reduction from the compensator? Estimated muzzle rise reduction by around 25%; overall felt recoil improved for faster, flatter shooting.
• How do I swap slides to install a DY9 COMP Complete Upper? Follow standard DY9 slide removal (field-strip, recoil spring, etc.); tutorial video coming soon. Compatible with DY9 or frames for Glock 19 GEN 4.

• What screw is used for the DY9 COMP compensator? The screw is an M4×5 Allen (hex socket) screw. It is not a standard M4×5 screw — the head design is slightly different, so it is a custom-made screw.

• Can the DY9 COMP work on a Frame for Glock 19 GEN 5 (i.e., Frame for Glock 19X)? Yes, with minor modification: Replace the back slide cover plate with a GEN 5-compatible version (available at https://derya.us/glock-19-gen-5-back-slide-cover-plate/).
• What is the Derya DY9 Compensator? Elevate your shooting experience with the Derya DY9 Compensator, engineered for unmatched recoil management and rapid follow-up shots. Designed specifically for the Derya DY9, this versatile accessory also seamlessly fits threaded barrels on the Glock 19, making it a must-have upgrade for competitive shooters, range enthusiasts, and tactical users alike.
  • Universal Fit: Threaded for 1/2x28 barrels, providing a secure, wobble-free installation on both Derya DY9 and Glock 19 setups.
  • Easy Installation: Simply screw onto your threaded barrel, then lock it in place with two included Allen/Torx screws—no tools required beyond a basic driver for a rock-solid hold.
  • Sleek Finish: Matte black anodized coating for a low-profile, professional look that blends with your firearm's aesthetics while resisting wear. Whether you're dominating the range or honing your skills, the Derya DY9 Compensator delivers tighter shot groups and faster target reacquisition. Compatible with most suppressors when used as a thread adapter—pair it with your favorite can for even greater versatility.
• What is in the box? The pistol with the compensator installed, in a grey foam case with cutouts, a Derya bag with the user manual and WTTA flyer, one magazine (15-round, or 10-round on the 10L item), four backstraps (S, M, L, XL), two optic plates, guide rod, gun brush, Allen key, cleaning rod and a gun lock.
• What warranty comes with the DY9 COMP, and how do I activate it? Derya provides a limited lifetime warranty to the original purchaser (non-transferable) for the product's intended purpose. Abuse, unqualified gunsmithing, unauthorized alteration, improper ammunition and normal wear are excluded. For warranty registration, service requests or product support, visit derya.us/customer-service-support/ or contact support@deryaarms.us, your dealer, or your country's distributor.
• Where can I find the owner's manual? Under Support > Manuals at derya.us. Video tutorials are on the Derya US YouTube channel.
• I don't see my firearm, item number, UPC, or color listed for DY9 COMP, where is it? On our website we list firearm types only; each type can include several items. If an item number starts with a number followed by "L" (10L), it ships with a capacity-limited magazine. If it ends in "US" the firearm was made in the United States; "TR" means made in Turkiye. All DY9 COMP items are in the table below.

Part Numbers for DY9 COMP Complete Pistol

Part Number for Complete DY9 COMP Upper