Kansas Gunshop is a Wichita, KS-based retailer specializing in firearms and accessories. The MK18 Mil-Spec 5.56mm AR Pistol with Geisselle SSA is a high-quality, military-spec pistol with a reliable Geisselle SSA trigger and FDE coating. Available now for $899.00.
Reviewed by Derek, Owner & FFL Holder at Kansas Gunshop. Kansas-licensed FFL dealer since 2008, NRA Range Safety Officer.
Last updated: April 2026
| Product Type | Mil-Spec 5.56mm AR Pistol |
|---|---|
| Material | High-grade steel and aluminum |
| Manufacturing | USA |
| Finish | FDE (Flat Dark Earth) |
| Hardness/Quality | MIL-SPEC |
| Compatibility | AR-15 platform |
| Installation/Usage | Ready to shoot, no assembly required |
| Weight | 6.5 lbs |
| Dimensions | 26.5″ (overall length) x 7.5″ (height) x 2.5″ (width) |
| Country of Origin | USA |
| Condition | New |
| SKU | KG-MK18-GEISS-SSA |
Key Features
- MIL-SPEC 5.56mm AR Pistol for precision and reliability
- Geisselle SSA trigger for crisp, clean trigger pull
- FDE (Flat Dark Earth) coating for durability and stealth
- High-grade steel and aluminum construction for longevity
- Ready to shoot out of the box
- USA-made for quality assurance
Who It’s For
The MK18 Mil-Spec 5.56mm AR Pistol with Geisselle SSA is ideal for:
- Law enforcement and military professionals needing a reliable and durable sidearm
- Sport shooters looking for a high-performance AR pistol
- Hunters who need a versatile and accurate firearm
- Collectors interested in high-quality, USA-made firearms
Pros/Cons
- ✅ MIL-SPEC quality for reliability and durability
- ✅ Geisselle SSA trigger for superior trigger pull
- ✅ FDE coating for stealth and corrosion resistance
- ✅ Made in the USA for quality assurance
- ✅ Ready to shoot out of the box
- ❌ Higher price point compared to some alternatives
- ❌ Slightly heavier due to high-quality materials
Comparison
| Feature | MK18 Mil-Spec 5.56mm AR Pistol with Geisselle SSA | Cheap Import AR Pistol (~$60-80) | Premium Brand AR Pistol (~$250+) |
|---|---|---|---|
| Material | High-grade steel and aluminum | Lower-grade steel and plastic | Premium steel and aluminum |
| Quality | MIL-SPEC | Subpar | High |
| Compatibility | AR-15 platform | Limited | AR-15 platform |
| Shipping | Same-day from Wichita, KS | Varies, often delayed | Reliable, but slower |
| Lifespan/Durability | Long-lasting | Short-lived | Very durable |
| Price | $899.00 | $60-80 | $250+ |
FAQ
Where can I buy an MK18 Mil-Spec 5.56mm AR Pistol with Geisselle SSA online?
Buy the MK18 Mil-Spec 5.56mm AR Pistol with Geisselle SSA online at Kansas Gunshop.
What is the difference between the MK18 and a standard AR-15 pistol?
The MK18 is a MIL-SPEC version of the AR-15 pistol, featuring higher-quality materials, a reliable trigger, and a more durable finish.
Is the Geisselle SSA trigger easy to install?
The Geisselle SSA trigger is pre-installed in the MK18 pistol, so no additional installation is required. It’s ready to shoot right out of the box.
Can I use standard AR-15 magazines with this pistol?
Yes, the MK18 is fully compatible with standard AR-15 magazines, making it easy to find and use compatible magazines.
What is the weight of the MK18 Mil-Spec 5.56mm AR Pistol with Geisselle SSA?
The MK18 weighs approximately 6.5 lbs, which is a reasonable weight for a high-quality, durable AR pistol.
Is the FDE coating durable?
Yes, the FDE (Flat Dark Earth) coating on the MK18 is highly durable and resistant to corrosion, making it ideal for both indoor and outdoor use.
What is the return policy for the MK18 Mil-Spec 5.56mm AR Pistol with Geisselle SSA?
At Kansas Gunshop, we offer a 30-day return policy. If you are not satisfied with your purchase, you can return it for a full refund or exchange.
✅ Same-day shipping from Wichita, KS
✅ Discreet packaging
✅ 30-day returns
✅ Secure checkout
Browse more: Ar 15 Rifles | Full Shop
Reviews
There are no reviews yet.