Description
IWI has been building firearms for the Israeli Defense Forces and militaries around the world for decades, and that background shows up in the Masada in ways that matter. The frame is made from fiberglass-reinforced polymer that's built to shrug off harsh conditions, the barrel is cold hammer forged with polygonal rifling, and every control on this gun is fully ambidextrous from the factory. That means the slide stop and magazine release work equally well from either side, not just the right.
The optics-ready slide is the big headline here. IWI includes four adapter plates in the box covering the Trijicon RMR, Vortex Venom, Leupold DeltaPoint Pro, and Sig Romeo1 footprints, so you can mount your red dot the same day without hunting down extra hardware. The cut is protected by a contoured plastic cover when running irons, and the standard 3-dot sights stay put so you have something to fall back on. The oversized external extractor doubles as a loaded chamber indicator, giving you both a visual and tactile check at a glance.
Ergonomics are a genuine strong point. The low bore axis keeps muzzle flip in check, and the grip ships with three interchangeable wrap-around backstraps in small, medium, and large so you can fit the gun to your hand rather than the other way around. The beavertail is deep, the grip texture is aggressive where it counts on the front and rear straps, and the trigger guard is sized to work with gloves. The modular serialized steel trigger housing can be pulled out for thorough cleaning without a lot of fuss, which is a nice touch for a duty-style pistol.
The trigger breaks around 6 lbs with a clean reset, and the low bore axis combined with the grip geometry keeps the gun shooting flatter than you might expect. Integrated MIL-STD-1913 Picatinny rail up front gives you a solid mounting point for a light or laser. This 10-round variant is the same pistol in a capacity-friendly configuration and ships with two steel magazines.
Key Specifications
- Manufacturer: IWI – Israel Weapon Industries
- Model: Masada
- MPN: M9ORP10
- UPC: 818004020401
- Caliber: 9mm Parabellum
- Action: Semi-Auto, Striker-Fired
- Barrel Length: 4.1"
- Barrel Material: Cold Hammer Forged, Polygonal Rifled
- Rifling Twist: 1:10" RH
- Overall Length: 7.35"
- Weight (unloaded): 22.9 oz
- Capacity: 10+1
- Frame Material: Fiberglass-Reinforced Polymer
- Sights: Fixed 3-Dot
- Trigger Pull: ~6 lbs
- Safety: Trigger Safety, Firing Pin Block
- Accessory Rail: Integral MIL-STD-1913 Picatinny
- Controls: Fully Ambidextrous (Slide Stop, Magazine Release)
- Finish: Black
- Number of Magazines: 2
What’s Included
- IWI Masada OR 9mm Pistol
- 2 x 10-round steel magazines
- 4 optic adapter plates (Trijicon RMR, Vortex Venom, Leupold DeltaPoint Pro, Sig Romeo1)
- 3 interchangeable wrap-around backstraps (S/M/L)
- Torx mounting hardware
- Owner's manual
Frequently Asked Questions
Which red dot optics are compatible with the IWI Masada OR?
The Masada OR ships with four adapter plates designed for the Trijicon RMR, Vortex Venom, Leupold DeltaPoint Pro, and Sig Romeo1 footprints. Each plate comes with appropriately sized Torx screws, so you're ready to mount any of those optics right out of the box. IWI recommends sticking to those four footprints, as using other optics risks improper fitment with the slide cut.
Does the IWI Masada have a manual thumb safety?
The standard Masada OR does not include a manual thumb safety. It relies on a blade-style trigger safety and an internal firing pin block, the same passive safety system used on most modern striker-fired pistols. A manual safety version is available by special order directly through IWI, but this M9ORP10 model does not include one.
How do the interchangeable backstraps work, and do I need any tools?
The Masada ships with small, medium, and large wrap-around backstraps, with the medium installed at the factory. Swapping them requires a roll-pin punch and a brass hammer to drive out the retaining pin. It's a quick process and makes a noticeable difference in how the grip fits, particularly in reaching the magazine release comfortably.
Are the controls truly ambidextrous, or just reversible?
Truly ambidextrous. Both the slide stop lever and the magazine release are functional on either side of the frame without any modification or parts swap. This is different from guns that require you to move the mag release from one side to the other. Left-handed shooters can run the Masada exactly as it comes out of the box.
What magazines does the IWI Masada use, and can I use higher-capacity mags?
The Masada uses proprietary IWI steel magazines, so standard Glock or Sig magazines will not work. This 10-round model ships with two 10-round magazines. IWI also makes 17-round magazines for the Masada platform, and those will fit and function in the same frame if you want to run higher-capacity mags at the range.
How does the Masada OR compare in size to something like a Glock 19?
The Masada OR is in the same general size class as the Glock 19, with a 4.1-inch barrel and a 7.35-inch overall length. The grip profile and bore axis are slightly different, so it doesn't feel identical, but holsters and accessories designed for that size pistol are broadly available. It's a full-duty-size frame, not a compact or subcompact.






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