Glock G17L Gen5 MOS 9mm Long-Slide Semi-Auto Pistol with RMR-Footprint Mount and 2x 17-Round Magazines
This Glock G17L Gen5 MOS is the long-slide 9x19 configuration with a stated 6.02 inch barrel length and an MOS optic cut with a cover plate. It features Gen5-style ergonomics with a no finger-groove frontstrap, a textured grip surface, and a polymer frame with an accessory rail forward of the trigger guard. Slide markings include the GLOCK logo, 17L Gen5, and 9x19, and the pistol bears an AUSTRIA marking.
CONDITION
Overall Condition: Excellent condition, showing only faint signs of any prior use or handling.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: This firearm is in great shape. There are some minor scratches and blemishes present. Bore is clean and shiny.
WHAT'S INCLUDED
- 2x GLOCK factory 9mm magazines (17-round, marked "9mm" on the bodies)
- Magazine loader
- GLOCK interchangeable grip backstraps
- GLOCK factory hard case
- Paperwork
The G17L Gen5 MOS combines a long-slide setup with an MOS optic cut and cover plate, along with front and rear grasping serrations for positive slide manipulation. The rear sight is an adjustable-style unit, and iron sights are installed.
This pistol is striker-fired and uses the GLOCK Safe Action safety system. The Gen5-style grip profile is described as having no finger grooves on the frontstrap, and the polymer frame includes an accessory rail forward of the trigger guard.
Other details noted include an RMR-footprint mount. The included magazines are GLOCK factory 9mm units, and the package includes the factory hard case, backstraps, loader, and paperwork.
Proof/marking details list AUSTRIA, and the country of origin is Austria. The observed serial number on the barrel hood and slide matches the case label.




