Glock 40 Gen 4 MOS - 10mm, 6"

Availability: Out of stock

Glock Perfection

The Glock is universally regarded as the most reliable pistol in the world. All Glock pistols are equipped with the "Safe Action" System which consists of three passive safeties (trigger, firing pin, drop), eliminating the need for an external safety and simplifying the operation of the firearm. Glock frames are made of highly resistant reinforced polymer, reducing pistol weight and significantly increasing durability. Its polymer makeup gives it resistance to all climates, corrosion, and lubricants.

Generation 4

The Gen 4 models all come with enlarged, reversible magazine releases. A dual recoil spring replaces the original one for added durability and substantially increased life. The Gen 4 also sports a rough textured, stipled handle for a more enhanced, positive grip for the user and comes complete with interchangeable backstraps for a more customized grip for all hand sizes. 


The Modular Optic System (MOS) variant is the newest member to the Glock line. The MOS line is available for the target/competition line of Glocks and comes with a cutout rear portion of the slide that is ready to accept reflex sights. It simplifies the mounting of popular optic sights without costly custom alterations of the pistol's warrantied slide.


  • Caliber: 10mm
  • Capacity: 10
  • Action: Striker, Safe Action
  • Frame: Reinforced Polymer
  • Slide: Steel
  • Slide Finish: Gas Nitride
  • Safety: Trigger, Firing Pin, Drop
  • Barrel Length: 6"
  • Sights: MOS, Fixed Front, Adjustable Rear
  • Trigger Weight: 4.5 lbs.
  • Overall Length: 8.81"
  • Weight: 24.85 oz.

Comes with:

  • 3 magazines
  • Interchangeable backstraps
  • Magazine loader
  • Cable lock
  • MOS adapter set (to accept various reflex sights)
  • Bore brush
  • Case
  • Optic NOT Included
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