GLOCK 40 Gen4 10mm 10rd MOS Long Slide

The GLOCK 40 Gen4 MOS: Powerful 10mm Auto handgun with a long slide, Modular Optic System for reflex sight, and customizable design. Exceptional accuracy, high capacity, and sleek matte black finish.

Original price was: $840.00.Current price is: $700.00.

In stock

Purchase & earn 700 points!

That's right. We offer 14 day worry free returns on all non-serialized items. Plus get free shipping on orders over $99. Learn more

You can now pay over time without the compounding interest charges of credit cards thanks to Credova! Get approved now with no impact to your credit. Learn more

SKU: GLPG4030101MOS Categories: , ,

product questions?

Our team is here to help

contact us

The G40 Gen4 in MOS Configuration stands out as a powerful and adaptable handgun chambered in 10mm Auto, offering an optimal combination of a long slide and barrel for improved velocity and a generous magazine capacity. Designed for versatility, this handgun features a Modular Back Strap design and a reversible magazine catch, allowing easy customization to accommodate any hand size. The MOS Configuration takes convenience to the next level, providing the capability to mount a reflex sight directly on the pistol’s slide without the need for a new slide or separate mounting system. Its sleek matte black finish enhances its overall appearance.

The extended slide and barrel of the G40 Gen4 contribute to exceptional accuracy and increased muzzle velocity, making it an ideal choice for competitive shooting or hunting. The Modular Back Strap design ensures a comfortable and secure grip, enhancing control and shooting precision. The high magazine capacity offers more rounds at your disposal, reducing the need for frequent reloads and instilling added confidence in critical situations.

One of the standout features of the G40 Gen4 is the innovative Modular Optic System (MOS), allowing for quick and easy mounting of a reflex sight of your choice. This eliminates the hassle of purchasing a new slide or a separate mounting system, providing seamless transition between iron sights and optics based on your shooting needs and preferences.

Equipped with the renowned Safe Action Trigger System, the G40 Gen4 guarantees a consistent trigger pull, enhancing accuracy and minimizing the risk of accidental discharges. The system combines a partially cocked striker with a drop safety and trigger safety, ensuring a safe and reliable shooting experience.

The G40 Gen4 comes with three 10-round magazines, offering ample ammunition for extended shooting sessions. Whether at the range, competing in a shooting match, or venturing outdoors, this handgun is a reliable and high-performing companion that elevates your shooting experience. Take your shooting to the next level with the GLOCK 40 Gen4 10mm 10rd MOS Long Slide. Get yours now and experience the unmatched performance and versatility offered by this exceptional handgun.


  • Matte black finish
  • Long slide and barrel for improved velocity
  • Modular back strap design
  • Modular Optic System (MOS)
  • Safe Action Trigger System
Weight 4.6900 lbs
Dimensions 10.7500 × 9.5000 × 2.5000 in
Barrel Length





10 MM










There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.

You might also like

Save 21%
Original price was: $94.75.Current price is: $74.75.
Save 9%
Original price was: $65.95.Current price is: $59.95.
Save 11%
Original price was: $179.00.Current price is: $159.00.
Save 8%
Flat Dark Earth
Tactical Grey
Save 15%
Original price was: $469.99.Current price is: $399.99.

Exceptional Firearms, Craftsmanship and Innovation

Angstadt Arms is born from a rich heritage of master gun makers, a family legacy spanning centuries, now reimagined with innovation and technology. We believe every gun owner is part of a grand story and we invite them to add a new chapter with us.

learn more
GLOCK 40 Gen4 10mm 10rd MOS Long Slide
GLOCK 40 Gen4 10mm 10rd MOS Long Slide

In stock

Purchase & earn 700 points!