Description
The Derya DY9 is a striker-fired 9mm built on the familiar compact footprint that so many people already shoot well, then dressed up with a two-tone look and a red dot that comes in the box. The frame is a dyed ODG Brown polymer with a Picatinny rail up front for lights or lasers, and the slide is a black nitride stainless steel OTSS unit that's been factory cut for an optic. That contrast of brown frame against the dark slide is a sharp combination, and it shoots like it means business.
What the DY9 Optic Cut Slide Brings to the Table
This slide is machined with an RMR footprint, and Derya doesn't leave you hunting for an optic. The package includes a Tactical Sauce RMR green dot, so you can run a dot without a separate purchase or mounting headache. Backing that up are Truglo fiber optic sights, red front and green rear, which gives you a solid iron setup to co-witness or fall back on. The 4.02" barrel and 15+1 capacity land this right in that sweet spot that's big enough to enjoy at the range but still manageable on the belt.
Making the Derya DY9 Fit Your Hand
The grip ships with four interchangeable backstraps covering small through extra large, so you can tune the feel until it locks into your palm the way you want. Derya also fits the DY9 with their in-house Second Wind trigger, which has short pre-travel, a defined wall, a clean break, and a positive reset. On top of that, the pistol runs on Glock-pattern magazines, so finding spare mags and holsters is about as easy as it gets.
Between the included green dot, the fiber optic irons, the tunable grip, and that distinctive two-tone finish, the DY9 is a lot of pistol that's ready to go to work the day it comes home.
Key Specifications
- Manufacturer: Derya
- Model: DY9
- MPN: DY9.BROTSS.SAUCE.US
- UPC: 810216300951
- Action: Semi-Auto Striker Fired
- Caliber: 9mm Luger
- Capacity: 15 + 1
- Barrel Length: 4.02"
- Slide: Black Nitride Stainless Steel, Optic Cut (RMR Footprint)
- Frame Finish: ODG Brown Polymer w/ Picatinny Rail
- Sights: Truglo Fiber Optic (Red Front / Green Rear)
- Included Optic: Tactical Sauce RMR Green Dot
- Grips: Interchangeable Backstraps (S, M, L, XL)
- Trigger: Second Wind Trigger
- Safety: Firing Pin / Trigger Block
- Magazine Compatibility: Glock 17/19 Pattern
What’s Included
- Derya DY9 pistol
- One 15-round magazine
- Tactical Sauce RMR green dot
- Two optic plates (Truglo, Docter, Meopta, Insight, Vortex, and Trijicon compatible)
- Four interchangeable backstraps (S, M, L, XL)
- Guide rod
- Gun brush
- Allen key
- Cleaning rod
- Speed loader
- User manual
Frequently Asked Questions
Does the Derya DY9 come with a red dot already included?
Yes. This DY9 ships with a Tactical Sauce RMR green dot in the box, so you don't have to buy and source an optic separately. The slide is factory cut to an RMR footprint, and the pistol also includes optic plates to fit several other common red dot brands if you decide to swap later.
What magazines does the DY9 use?
The DY9 is built to run Glock 17 and 19 pattern magazines, which makes finding spares and higher-capacity sticks simple and affordable. It ships with one 15-round magazine. Longer Glock mags will function as well since they won't bind up on the magwell.
Can I adjust the grip on the Derya DY9 to fit my hand?
Absolutely. The DY9 includes four interchangeable backstraps in small, medium, large, and extra large. That lets you tune the grip circumference until it sits naturally in your hand, which helps with consistent placement and control.
Does the DY9 still have usable iron sights with the optic cut slide?
Yes. Even with the optic-cut OTSS slide, the DY9 comes with Truglo fiber optic sights, a red front and green rear, so you have a bright, fast iron setup to aim with or fall back on. Many owners like having both the dot and the fiber optics available at the same time.





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