Glock G45 Gen5 MOS 9mm - 4.02 in Barrel, Black nDLC, 3x 17-Round Mags, Austrian Proofs - Excellent
The Glock G45 Gen5 MOS is a crossover 9mm that pairs a compact-length 4.02-inch slide with a full-size frame. This example stands out for its clean overall condition, MOS-cut slide with an installed DPP Titanium GL-MOS02 plate, and three 17-round magazines. It features the Glock Marksman Barrel, ambidextrous controls, and front/rear slide serrations, with Austrian proof/inspection marks and matching serial numbers on the barrel and frame insert.
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 - Distinct Glock Marksman Barrel rifling.
Specific Condition Notes: The factory MOS cover plate is not present. A DPP Titanium GL-MOS02 MOS cover/adapter plate is installed.
What’s Included
- Glock factory hard case
- 3x 17-round Glock OEM 9mm magazines
- Glock interchangeable backstrap - small
- Glock interchangeable backstrap - medium
- Cleaning kit
- Takedown tool
- Paperwork
- DPP Titanium GL-MOS02 MOS cover/adapter plate (installed)
The G45 uses Glock’s crossover configuration: a compact-length slide on a full-size frame for a 17+1 capacity with a full grip. Gen5 enhancements include an ambidextrous slide stop lever, a reversible magazine release, and a slightly flared/beveled magwell. Interchangeable backstraps are included to fine-tune hand fit.
The MOS-cut slide features front and rear serrations and a durable black nDLC finish. Fixed sights include a white-dot front and white-outline rear. An installed DPP Titanium GL-MOS02 plate caps the MOS cut.
The 4.02-inch steel Glock Marksman Barrel uses enhanced polygonal rifling with an improved crown and a 1:9.84 RH twist. This Gen5 barrel design is known for consistent engagement and easy maintenance.
Made in Austria, this pistol bears the AT barrel marking and proof/inspection stamps. Matching serial numbers are present on the barrel and frame insert. The polymer frame includes an integrated accessory rail for lights or lasers.

