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Glock G34 Gen5 MOS 9mm Luger 5.31″ Marksman Barrel Semi-Auto Pistol (10+1)


The Glock G45 Gen5 MOS 9mm Luger 4.02″ Marksman Barrel Semi-Auto Pistol (10+1) combines a compact slide with a full size frame and has all the benefits of a Gen5 model. It features the Modular Optic System (MOS) to simplify mounting of popular optics.

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SKU: 764503030017 Category:

Gen5 MOS 9mm Luger Modular Optic System

The Glock G34 Gen5 MOS 9mm Luger 5.31" Marksman Barrel Semi-Auto Pistol (10+1) features an extended barrel and greater slide dimensions, making it a favorite among sport shooting competitors. Design enhancements to the Gen5 MOS 9mm Luger include the GLOCK Marksman Barrel (GMB) which delivers increased accuracy with enhanced polygonal rifling and an improved barrel crown, no finger grooves, ambidextrous slide stop levers for better versatility and control, and an nDLC finish, which is a tougher and more durable finish that is exclusive to the GLOCK manufacturing process.

This Gen5 MOS 9mm Luger has a black finish front slide serrations adjustable sights and a 17-round capacity. This Gen5 MOS 9mm Luger features the Modular Optic System (MOS) to simplify mounting of popular optics without costly custom machining of the pistols slide. With the GLOCK MOS Compact 9mm Luger has the next level of performance for service pistols - tested, proven and unmatched by any others.

Glock Gen5 Pistol

Gen5 pistols feature over 20 design modifications from their Gen4 predecessors, including the GLOCK Marksman Barrel, nDLC finish, ambidextrous slide stop lever, the removal of finger grooves and a flared mag-well. These changes deliver improved accuracy, durability, performance, control, and flexibility whether you are on the range or in a situation where fractions of a second matter.

Glock Brand

The continuous pursuit of perfection in every facet of design, engineering, and manufacturing has firmly established GLOCK pistols as the standard by which all others are compared.

Today, we are the leading global manufacturer of pistols, precisely engineered to meet the demanding specifications of military and law enforcement agencies worldwide. That powerful validation, and our reputation for safety, durability, reliability, and ease of use, has also driven our consumer dedication further than ever anticipated. As a result, our complete line of GLOCK pistols has become the choice for millions who aspire to carry the perfect firearm for the mission at hand.

Moving forward, our commitment to perfection remains steadfast. We will never compromise quality, we will continue to invest tremendous resources in the technology and talent necessary to improve our products wherever possible; and we will always strive to deliver maximum customer satisfaction.


  • Brand: Glock
  • Model: G34
  • Series: Gen5 MOS
  • Caliber: 9mm Luger
  • Capacity: 10+1
  • Action: DAO
  • OAL: 8.74"
  • Frame Material: Polymer
  • Hand: Right
  • Sight Style: Adjustable
  • Slide Description: Black nDLC Steel with Front Serrations
  • Grips: Black Rough Texture Interchangeable Backstraps
  • Sight Configuration: Adjustable w / MOS Cuts
  • Includes: Mag Loader / 3 Mags / Cleaning Set / Pistol Case / Backstrap Set / Cable Lock
  • Safety: Trigger, Firing Pin, Drop
  • Barrel Description: Glock Marksman Barrel (GMB)
  • Barrel Length: 5.31"
  • Weight: 34.57 oz


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Additional information

Weight3.95 lbs
Dimensions12 × 10 × 2.5 in
Sight Configuration

Adjustable w/MOS Cuts


9mm Luger

Barrel Length





Trigger/Firing Pin/Drop


Black Rough Texture Interchangeable Backstraps





Barrel Type

Cold Hammer-Forged Polygonal Rifled

Slide Description

Black nDLC Steel w/Front Serrations

Sight Style


Barrel Length Range

5.00" to 5.99"






26.21 oz

All firearm purchases require valid U.S. government issued ID and related firearm paperwork. Age and residency restrictions apply. You must meet all other requirements as set forth by applicable Federal, state and local statutes, rules and regulations for firearm purchase. Other terms and conditions may apply. It is your responsibility to ensure that you are in compliance with all applicable laws, rules and regulations for the purchase of firearms.

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