Kansas Gunshop is a Wichita, KS-based retailer specializing in firearms and accessories. The Glock 35 MOS Gen4 40 S&W 15-Round Pistol (Made in USA) is a competition-ready handgun designed for precision and adaptability. Its Modular Optic System allows for easy red dot sight integration. Available now for $499.00.
Reviewed by Derek, Owner & FFL Holder at Kansas Gunshop. Kansas-licensed FFL dealer since 2008, NRA Range Safety Officer.
Last updated: April 2026
What are the specifications of the Glock 35 MOS Gen4?
| Product Type | Pistol |
|---|---|
| Material | Polymer frame, Tenifer-treated steel slide |
| Manufacturing | CNC machined slide, injection-molded frame |
| Finish | Matte Black (Tenifer/Nitration) |
| Hardness/Quality | High corrosion resistance, durable finish |
| Compatibility | Glock MOS compatible red dot sights, .40 S&W ammunition |
| Installation/Usage | Modular Optic System (MOS) for optic mounting, user-friendly field stripping |
| Weight | Approximately 27.51 oz (unloaded) |
| Dimensions | Length: 8.82 in, Width: 1.28 in, Height: 5.43 in, Barrel Length: 5.31 in |
| Country of Origin | USA |
| Condition | New |
| SKU | UG3530103MOS |
What are the key features of the Glock 35 MOS Gen4?
- Modular Optic System (MOS): The slide is milled to accept various red dot sights directly, using adapter plates. This is a significant advantage for competition shooters or anyone wanting faster target acquisition.
- Gen4 Enhancements: Features include a multiple backstrap system for customizable grip, a reversible enlarged magazine catch for ambidextrous use, and a dual recoil spring assembly to reduce felt recoil and increase longevity.
- Extended Barrel and Slide: The longer 5.31-inch barrel and slide contribute to a longer sight radius, aiding in accuracy, and also provide more mass to mitigate recoil.
- Chambered in .40 S&W: This cartridge offers a balance of power and capacity, suitable for competition, duty, or self-defense. The 15-round capacity is standard for the platform.
- Made in USA: This particular model is manufactured in Glock’s USA facility, which can be a preference for some buyers.
- Glock Reliability: Known for its consistent performance and simple, robust design, the Glock 35 MOS Gen4 maintains the brand’s reputation for dependability.
Who is the Glock 35 MOS Gen4 40 S&W 15-Round Pistol for?
This Glock 35 MOS Gen4 in .40 S&W is a serious tool for serious shooters. It’s built with competition in mind, particularly for divisions that allow optics. The longer barrel and sight radius, combined with the MOS system, make it a strong contender for those looking to shave seconds off their stage times or improve their precision. Law enforcement agencies that still issue or allow .40 S&W might find this appealing for duty use, especially with the option for an optic. For the informed gun owner who appreciates the power of the .40 S&W round and wants the flexibility of an optic-ready platform, this pistol delivers.
What are the pros and cons of the Glock 35 MOS Gen4?
Pros:
- ✅ Optic Ready (MOS): The integrated Modular Optic System is a major advantage, allowing for direct mounting of red dot sights without custom milling.
- ✅ Enhanced Accuracy: The longer sight radius and barrel length contribute to better inherent accuracy, especially for precision shooting.
- ✅ .40 S&W Power: The .40 S&W cartridge offers more energy than 9mm, which some shooters prefer for self-defense or certain competition rules.
- ✅ Glock Reliability: This pistol carries the reputation for durability and consistent function that Glock is known for, requiring minimal maintenance.
- ✅ Customizable Grip: The Gen4’s multiple backstrap system allows users to tailor the grip size to their hand, improving comfort and control.
- ✅ Made in USA: For buyers who prioritize domestic manufacturing, this model fits the bill.
Cons:
- ❌ Recoil Impulse: The .40 S&W can have a snappier recoil impulse compared to 9mm, which might be less comfortable for new shooters or those sensitive to recoil. Consider a 9mm Glock for softer recoil.
- ❌ Ammunition Cost: .40 S&W ammunition is generally more expensive and less widely available than 9mm, impacting range time costs.
- ❌ Size: Its full-size frame and long slide make it less suitable for concealed carry for most individuals. Explore our compact handguns for easier concealment.
How does the Glock 35 MOS Gen4 compare to similar pistols?
| Feature | Glock 35 MOS Gen4 (.40 S&W) | Springfield XD-M Elite OSP (.40 S&W) | FN 509 Tactical (9mm) |
|---|---|---|---|
| Material | Polymer frame, Tenifer-treated steel slide | Polymer frame, Melonite-treated steel slide | Polymer frame, PVD-finished steel slide |
| Quality | Robust, proven duty/competition standard | Durable, competition-oriented features | High-end, tactical-focused design |
| Compatibility | Glock MOS optics, .40 S&W mags | Springfield OSP optics, XD-M mags | FN Low-Profile Optics Mounting System, FN 509 mags |
| Shipping | Ships from Wichita, KS | Varies by retailer | Varies by retailer |
| Lifespan/Durability | Known for extreme longevity and reliability | Excellent durability for high-round count use | Built for rigorous use and harsh conditions |
| Price | $499.00 | ~$600-700 | ~$800-900 |
Is the Glock 35 MOS Gen4 a good choice for competition?
Absolutely. The Glock 35 MOS Gen4 is a strong contender in various competition circuits. Its longer barrel provides a good sight radius, and the MOS system means you can easily mount a red dot sight, which is a significant advantage in many action shooting sports. The .40 S&W caliber, while having more recoil than 9mm, often makes power factor in competitions with factory ammunition, simplifying load development for reloaders. The Gen4 enhancements, like the interchangeable backstraps, allow for a personalized fit, which is crucial for consistent performance.
Frequently Asked Questions
What is the Modular Optic System (MOS) on the Glock 35 Gen4?
The MOS system on the Glock 35 Gen4 is a factory-milled slide that allows for the direct mounting of various red dot sights using adapter plates. This eliminates the need for custom gunsmithing to add an optic.
What is the capacity of the Glock 35 MOS Gen4?
The Glock 35 MOS Gen4 in .40 S&W comes standard with a 15-round magazine capacity.
Is the Glock 35 MOS Gen4 suitable for self-defense?
Yes, the Glock 35 MOS Gen4, chambered in .40 S&W, is a capable self-defense firearm. Its full size and optic-ready nature make it an excellent choice for home defense, though its size may be a deterrent for concealed carry.
Does the Glock 35 MOS Gen4 come with suppressor height sights?
Standard Glock MOS pistols typically come with standard height sights. If you plan to run a suppressor or a large-bodied optic, you may need to upgrade to suppressor height sights separately to co-witness.
Where can I buy a Glock 35 MOS Gen4 40 S&W 15-round pistol online?
You can purchase the Glock 35 MOS Gen4 40 S&W 15-round pistol directly from Kansas Gunshop at kansas-gunshop.com. We handle the FFL transfer process efficiently and ship to your local FFL dealer.
What are the benefits of the .40 S&W caliber?
The .40 S&W caliber offers a balance between the capacity of 9mm and the stopping power of .45 ACP. It’s known for its effective terminal ballistics and is still a popular choice for law enforcement and self-defense.
Can I use other Glock magazines with the Glock 35 MOS Gen4?
The Glock 35 MOS Gen4 in .40 S&W uses standard Glock .40 S&W magazines. You can use any larger capacity Glock .40 S&W magazine (e.g., 22-round) in the Glock 35, but not smaller ones from compact models or those designed for other calibers.
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Last updated: April 2026
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