Description
There's a lot packed into the Tisas PX-9 Gen 3 Duty-TH, and none of it feels like an afterthought. This striker-fired 9mm wears a Flat Dark Earth polymer frame and a matching FDE Cerakote slide, with a hammer forged 4.69 inch barrel threaded 1/2×28 and capped with a knurled thread protector. Spin the protector off and you're ready for a suppressor or your favorite muzzle device without a trip to the gunsmith. The CNC machined slide has forward and rear serrations for easy press checks and comes cut for RMR-pattern optics, with a cover plate installed if you'd rather run irons. Speaking of irons, the fiber optic front sight pairs with a serrated black rear for a fast, clean sight picture.
A Grip That Fits Like It Was Made for You
The standout feature on the PX-9 Gen 3 is the grip system. With interchangeable backstraps and side panels in three sizes each, you get 27 possible configurations, so folks with small hands and big paws alike can dial in a proper fit. Textured index points on the frame give your trigger finger and support thumb a consistent home, and the flared mag well makes reloads quick. It pops off if you want a slimmer profile. The mag catch is reversible for lefties, and the flat-faced trigger with integrated blade safety breaks cleaner than you'd expect at this level.
PX-9 Duty-TH Capacity and What Comes in the Case
Tisas built this around the proven SIG P226 magazine pattern, and you get two mags in the box: one 18 rounder and one 20 rounder. The lockable hard case also holds an IWB holster, mag loader, cleaning kit, and the extra grip panels, which is a genuinely useful accessory package rather than filler.
Why the PX-9 Gen 3 Earns Its Keep
This platform has a reputation for running everything from premium defensive loads to budget steel-case ammo without complaint, and reviewers have put thousands of rounds through them to prove it. Whether it's home defense, suppressed range days, or just an all-around workhorse 9mm, the Duty-TH covers a lot of ground for the money.
Key Specifications
- Caliber: 9mm Luger
- Action: Striker-Fired Semi Auto
- Barrel Length: 4.69 in, Hammer Forged, Threaded 1/2×28 TPI
- Capacity: 18+1 / 20+1
- Magazine Pattern: SIG P226 Style
- Frame: Polymer, Flat Dark Earth, M1913 Accessory Rail
- Slide: CNC Machined, FDE Cerakote, Front & Rear Serrations
- Optic Cut: RMR Pattern with Cover Plate
- Sights: Fiber Optic Front, Serrated Black Rear
- Grip System: Interchangeable Backstraps & Side Panels, 27 Configurations
- Weight (Unloaded): Approx. 1.78 lbs
- Manufacturer: Tisas Arms Corp
- Manufacturer Part Number: 15000125
- UPC: 711500175921
What’s Included
- Tisas PX-9 Gen 3 Duty-TH pistol
- One 18-round magazine (SIG P226 pattern)
- One 20-round magazine (SIG P226 pattern)
- Thread protector
- Lockable hard case
- IWB holster
- Magazine loader
- Interchangeable backstraps and side panels (S, M, L)
- Cleaning kit
- Owner's manual
Frequently Asked Questions
What magazines does the Tisas PX-9 Gen 3 Duty-TH use?
It uses SIG P226 pattern magazines, and it ships with two from the factory: an 18 rounder and a 20 rounder. Standard P226 pattern mags will run in it as well, which makes finding spares easy and affordable. Tisas also offers a factory 15-round option if you want a flush lower-capacity mag.
Is the PX-9 Gen 3 Duty-TH suppressor ready?
Yes, that's the whole point of the TH in the name. The 4.69 inch hammer forged barrel is threaded 1/2×28 TPI, which is the standard pitch for most 9mm suppressors and muzzle devices, and a thread protector comes installed to keep things tidy when you're shooting unsuppressed.
What optics fit the slide cut on the PX-9 Gen 3?
The slide is machined with an RMR-pattern footprint, so red dots like the Trijicon RMR, Holosun 407C and 507C, and other RMR-footprint optics mount directly. A cover plate is included so the slide looks clean if you stick with the iron sights. The fiber optic front and blacked-out rear give you a solid sight picture either way.
How does the grip customization work on this pistol?
The PX-9 Gen 3 comes with interchangeable backstraps and side panels in small, medium, and large, giving you 27 possible grip configurations. Swapping them takes just a few minutes with the included tool, so you can fine-tune the fit until the controls land naturally under your hand. The flared mag well is also removable if you prefer a slimmer grip profile.




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