Description
Suppressor ready pistols usually mean buying a base gun, then a threaded barrel, then taller sights, then paying someone to mill the slide. The Combat Armory CA19 OR skips all that. It comes from the factory with a 4.49 inch threaded stainless steel barrel, suppressor height polymer sights that clear a can, and an RMR footprint optic cut in the slide. Thread on your suppressor, drop on a dot, and go shoot.
Why the CA19 OR Makes Sense for Suppressor Builds
The taller sights are the detail a lot of budget threaded pistols skip. With a suppressor mounted, standard height sights disappear behind the tube, but these give you a usable sight picture with or without a can attached. And if you mount a red dot in the RMR cut, the irons sit right where you want them for a lower third co-witness setup. The barrel threads accept common 9mm muzzle devices, so compensators and blast diverters are on the table too.
A Familiar Platform with Room to Grow
The frame is glass reinforced nylon polymer with embedded stainless steel rails, medium aggressive grip texture, a high trigger guard undercut, and forward landing pads that give your support hand thumb a natural home. A scalloped magazine release well makes dropping mags quick without changing your grip. Because the CA19 is built around Gen 3 Glock 19 compatibility, it runs with OEM and aftermarket parts, fits standard G19 pattern holsters, and feeds from the same magazines you probably already own.
Range Time with the Combat Armory CA19
Owners consistently report reliable cycling across 115, 124, and 147 grain loads, clean machining on the barrel threads and rifling, and a grip texture that stays planted with sweaty hands. For anyone getting into suppressed 9mm shooting without a custom shop budget, this one covers the hard parts for you. It ships with a single 10 round magazine, and higher capacity G19 pattern mags run in it just fine.
Key Specifications
- Manufacturer: Combat Armory
- Model: CA19 OR
- Manufacturer Part Number: CA19PSTHR-RMRTL10
- UPC: 789091896357
- Caliber: 9mm Luger
- Capacity: 10+1
- Barrel: 4.49" Threaded Stainless Steel
- Sights: Suppressor Height Polymer
- Optic Cut: RMR Footprint
- Frame: Glass Nylon Reinforced Polymer, Black
- Slide: Serrated Matte Black Steel
- Parts Compatibility: Gen 3 Glock 19 OEM & Aftermarket
- Accessory Rail: Glock-Style Rail
- Shipping Weight: 2.0 lbs
What’s Included
- Combat Armory CA19 OR 9mm pistol
- One 10-round magazine
- Cable lock
Frequently Asked Questions
What red dot optics fit the Combat Armory CA19 OR slide?
The slide is milled with an RMR footprint cut, so it directly accepts the Trijicon RMR and the many optics that share that pattern, like the Holosun 507C and SRO style dots. No adapter plate is needed for RMR pattern optics. The included suppressor height sights sit tall enough to co-witness through most of these.
Will Glock 19 magazines and holsters work with the CA19?
Yes. The CA19 is built around the Gen 3 Glock 19 pattern, so standard G19 magazines from OEM, Magpul, and other makers feed reliably, and owners report it drops right into standard G19 holsters. Keep in mind the threaded barrel extends past the muzzle, so open ended holsters work best.
Can I swap parts on the Combat Armory CA19 like a regular Glock?
That is one of its biggest selling points. The CA19 is compatible with Gen 3 OEM and aftermarket parts, which opens up the enormous Glock 19 aftermarket for triggers, barrels, slides, sights, and internals. If you like to tinker or upgrade over time, this platform makes it easy.
Do the suppressor height sights work without a suppressor attached?
They do. Taller sights just give you a slightly higher sight picture, and plenty of people run them full time for the co-witness benefit with a slide mounted red dot. With a can threaded on, they clear the tube so you keep a usable sight picture either way.




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