Description
The Grand Power Q100 Mk23 9mm 4.25″ 15+1 Black is a full-size, striker-fired pistol that brings a rotating barrel locking system to the table—a design that reduces recoil and improves accuracy over traditional tilt-barrel actions. Built for duty, personal defense, and range work, it ships with three magazines and an optic-ready slide out of the box.
| Manufacturer | Grand Power |
|---|---|
| Model | Q100 Mk23 |
| Material | Polymer frame with steel slide (per manufacturer specs) |
| Compatibility | Standard 9mm ammunition; accepts multiple red-dot footprints |
| Finish | Black |
| Weight | 27.2 oz unloaded (per manufacturer specs) |
| Condition | New |
Key Features
- Rotating Barrel System – Why it matters: This locks the barrel until the bullet exits, then rotates to unlock—reducing felt recoil and muzzle flip for faster follow-up shots compared to standard Browning-style actions.
- Optic-Ready, Serrated Slide – Why it matters: The slide is milled to accept multiple red-dot footprints without an adapter plate, and the serrations give you a positive grip for press checks or slide manipulation under stress.
- Three Magazines Included – Why it matters: Most pistols ship with two mags; Grand Power gives you three, saving you $40-60 and keeping you loaded for extended training or carry.
- Textured Grip Frame – Why it matters: The aggressive texture locks your hand in place during recoil, even with sweaty or gloved hands, improving control in professional or defensive scenarios.
- Simple, Consistent Controls – Why it matters: Striker-fired with no external safety to fumble with, the trigger and slide stop are intuitive for shooters transitioning from other striker guns.
Who It’s For
This pistol is for shooters who want a duty-grade 9mm with a recoil-reducing rotating barrel but don’t want to pay custom prices. It’s ideal for law enforcement officers, competition shooters, and anyone who carries or trains seriously. If you’re looking for an optic-ready, full-size pistol that ships with three mags and a proven locking system, this fits the bill.
Pros & Cons
- Pro: Rotating barrel system delivers noticeably flatter shooting than most striker-fired pistols in its price range.
- Pro: Three magazines included—rare at this price point.
- Con: Aftermarket support is thinner than Glock or Sig; holsters and parts are available but not as abundant. Plan ahead for custom gear.
Comparison vs. Competitors
| Feature | Grand Power Q100 Mk23 | Zev Technologies OZ9 | Geissele Automatics Urx |
|---|---|---|---|
| Price | $599 | $1,200+ | $1,000+ |
| Barrel Locking | Rotating barrel | Tilt-barrel (modified) | Tilt-barrel |
| Magazines Included | 3 | 2 | 2 |
| Optic Ready | Yes (multiple footprints) | Yes (RMR footprint) | Yes (RMR footprint) |
| Weight (unloaded) | 27.2 oz | 24.5 oz | 25.0 oz |
FAQ
Is the slide cut for a specific red dot footprint?
Yes, the slide is milled to accept multiple footprints including Trijicon RMR, Shield RMS, and Docter/Noblex patterns. You won’t need an adapter plate for most popular dots.
Does this pistol have an external safety?
No, the Q100 Mk23 is striker-fired with no manual safety. It relies on a trigger safety and internal drop safeties, consistent with other duty-style striker pistols.
What holsters fit this model?
Holsters designed specifically for the Grand Power Q100 Mk23 are required due to the unique slide profile. Brands like Safariland and Alien Gear offer compatible options, but always confirm fitment before ordering.
Can I use standard 9mm ammunition?
Yes, this pistol is designed for 9mm Luger (9×19) ammunition. It cycles reliably with 115-grain, 124-grain, and 147-grain loads, including +P defensive rounds.
What is the trigger pull weight?
Per manufacturer specs, the trigger pull is approximately 5.5 to 6.5 pounds, with a crisp break and short reset suitable for both duty and range use.
More than 40,000 Grand Power pistols are in service worldwide, according to company data. This Q100 Mk23 gives you that proven rotating-barrel technology at a price that undercuts most custom builds. It’s a solid choice for anyone who wants a flatter-shooting, optic-ready 9mm without breaking the bank.
✔ Nationwide delivery (all 50 states)
✔ Ships 1-2 business days
✔ 30-day returns
✔ Secure checkout
Browse more options in our Semi Auto Handguns or check out Optics & Sights to pair with your new pistol. Also see our Holsters category for compatible gear.
Last updated: April 2026
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