Glock G48 Slimline MOS 9mm Luger, 4.17 in GMB Barrel, RMSc Footprint, 15+1, Matte Black
This Glock G48 Slimline MOS pairs the slim, compact 9mm frame with a 4.17 in cold-hammer forged Glock Marksman Barrel and a factory MOS slide cut for RMSc-footprint micro optics. It includes two 15-round steel Slimline magazines with orange followers, fixed sights, and Glock factory packaging. Made in Austria, this example shows matching serials on the slide, barrel, and frame and is in excellent condition with a bright, clean bore.
Condition
Overall Condition: Excellent condition, showing only faint signs of any prior use or handling.
Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent - Well-defined polygonal rifling with no visible wear.
Specific Condition Notes: There are minimal handling marks from previous use. The bore is bright and clean. Please refer to the photos for close-ups.
What’s Included
- Glock G48 Slimline MOS 9mm pistol
- Two 15-round steel Slimline magazines with orange followers
- Glock factory hard case
- Glock owner's manual
- Glock magazine loader
The Slimline MOS configuration features a factory-cut slide with a cover plate and an RMSc-footprint interface for direct-mount micro optics. Front and rear slide serrations provide positive manipulation, and the matte black finish complements the Slimline form factor.
The 4.17 in Glock Marksman Barrel is steel, cold-hammer forged, and uses six-groove polygonal rifling with a 1:9.84 in twist. The bore is clean and bright, consistent with the listed excellent condition.
Controls include Glock's Safe Action system with three passive safeties, a left-side slide stop, and a left-side magazine release. Fixed iron sights consist of a white-dot front and a rear notch, with a 5.98 in sight radius.
The Slimline frame is polymer with a single-slot accessory rail on the dustcover. This pistol is a recent-release configuration and carries factory markings including "MADE IN AUSTRIA / GLOCK, INC., SMYRNA, GA" and an A1 mark on the barrel hood. Capacity is 15+1 with the included steel Slimline magazines.

