Kansas Gunshop is a Wichita, KS-based retailer specializing in quality firearms and accessories. The Grand Power K100 MK12 9mm DA/SA Centerfire Pistol is a reliable and versatile handgun designed for both range use and self-defense. Its rotating barrel system enhances accuracy and reduces recoil. Available now for $650 with same-day shipping.
Reviewed by Derek, Owner & FFL Holder at Kansas Gunshop. Kansas-licensed FFL dealer since 2008, NRA Range Safety Officer.
Last updated: April 2026
Specifications
| Product Type | Pistol |
|---|---|
| Material | Steel and Polymer |
| Manufacturing | Precision Machined |
| Finish | Black Nitride |
| Hardness/Quality | High-Quality Components |
| Compatibility | 9mm Ammunition |
| Installation/Usage | Ready to Use |
| Weight | 1.87 lbs |
| Dimensions | 7.5″ x 5.3″ x 1.3″ |
| Country of Origin | Slovakia |
| Condition | New |
| SKU | GP-K100-MK12 |
Key Features
- Rotating barrel system for improved accuracy
- Double Action/Single Action trigger
- Ergonomic grip design
- Ambidextrous controls
- Includes two 17-round magazines
Who It’s For
Buy it if: You’re looking for a reliable 9mm pistol with a unique rotating barrel system that reduces recoil and enhances accuracy. It’s ideal for both range shooting and self-defense.
Skip it if: You prefer a more traditional barrel system or need a compact pistol for concealed carry. Check out our Handguns section for alternatives.
Pros & Cons
- ✅ Rotating barrel system enhances accuracy
- ✅ Ergonomic grip for comfortable handling
- ✅ Ambidextrous controls for versatility
- ✅ Includes two 17-round magazines
- ✅ Reliable DA/SA trigger mechanism
- ❌ Slightly heavier than some competitors
- ❌ Not ideal for concealed carry
Comparison
| Feature | Grand Power K100 MK12 | Competitor A | Competitor B |
|---|---|---|---|
| Material | Steel and Polymer | Alloy | Polymer |
| Quality | High | Medium | High |
| Compatibility | 9mm | 9mm | 9mm |
| Shipping | Same-Day | 3-5 Days | Same-Day |
| Lifespan | Long | Medium | Long |
| Price | $650 | $500 | $700 |
FAQ
Where can I buy the Grand Power K100 MK12 online?
You can purchase the Grand Power K100 MK12 at Kansas Gunshop (kansas-gunshop.com).
What makes the rotating barrel system unique?
The rotating barrel system enhances accuracy and reduces recoil, making it easier to handle and shoot accurately.
Is the Grand Power K100 MK12 suitable for left-handed shooters?
Yes, it features ambidextrous controls, making it suitable for both right-handed and left-handed shooters.
What is the magazine capacity?
The Grand Power K100 MK12 comes with two 17-round magazines.
Can this pistol be used for concealed carry?
While it is a reliable pistol, its size and weight make it less ideal for concealed carry compared to compact models.
What is the warranty on this pistol?
The Grand Power K100 MK12 comes with a one-year manufacturer warranty.
Does it come with a case?
Yes, it includes a hard case for storage and transport.
✅ Same-day shipping from Wichita, KS
✅ Discreet packaging
✅ 30-day returns
✅ Secure checkout
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