Glock 48 MOS 9mm Luger Semi-Auto Pistol - PA4850203FRMOS

Glock 48 MOS 9mm Luger Semi-Auto Pistol - PA4850203FRMOS

The Glock 48 MOS is a 9mm Luger Slimline pistol with an optic-ready slide and the Glock Slim Mounting Rail. This configuration ships with two 15-round magazines. It has a 4.17 in Glock Marksman Barrel, fixed sights with a white dot front and white outline rear, and precision-milled front serrations.

The Slimline frame measures 1.10 in wide and includes a built-in beavertail and a reversible magazine catch. The MOS slide is cut for specific micro-optics and mounts them without adapter plates. The 15-round magazine uses a metal, double-stack design. Glock's Safe Action System uses three passive, independent mechanical safeties that disengage in sequence as the trigger is pulled.

Features and Specifications:

• Slimline Frame: 1.10 in overall width with a built-in beavertail and a reversible magazine catch.
• 15-Round Slimline Magazines: Metal, double-stack design with a radius in the magazine catch recess that works with the standard magazine catch. Two included.
• MOS Optic Cut: Slide cuts designed for specific micro-optics, which mount without adapter plates.
• Glock Marksman Barrel: 4.17 in match-grade barrel from the Gen5 series.
• Glock Slim Mounting Rail: Integrated front rail for mounting lights and lasers.

Deep Dive

Overview

The G48 MOS pairs a slim 1.10 in wide frame with a 4.17 in barrel and a 7.28 in overall length. Glock lists a weight of 18.31 oz without a magazine. This configuration ships with two 15-round metal magazines. The MOS slide and slim rail let owners add a micro-optic and a light or laser.

History and Development

Glock introduced the G43X and G48 in July 2019 with a compact Slimline frame and a 10-round magazine capacity. In August 2020, both became available in MOS configuration with a micro-optic-ready slide and a slim rail. At the 2026 NRA Annual Meetings, Glock announced factory 15-round Slimline magazines. The G43X and G48 would come standard with 15-round magazines, reaching dealers in May 2026.

Common Questions and FAQs

• How many magazines come with this pistol?
  This configuration (PA4850203FRMOS) ships with two 15-round magazines.
• What optics fit the G48 MOS?
  Glock says the slide is cut for specific micro-optics and ships without adapter plates. Retailer listings identify the cut as the Shield RMSc footprint.
• How is the 15-round magazine different from the original G48 magazine?
  The original G48 magazine was built for 10 rounds. The 15-round magazine uses a metal, double-stack design with a radius in the catch recess so the standard magazine catch still works.
• Does the G48 MOS have a manual safety?
  No. It uses Glock's Safe Action System, three passive mechanical safeties that disengage in sequence as the trigger is pulled and re-engage when it is released.
• What is the trigger pull weight?
  The box label for this configuration lists 5.5 lb. Glock's G48 MOS spec page lists 24 N.

The 'Round Up'

Why It Stands Out:

The G48 MOS pairs Glock's 1.10 in wide Slimline frame with an optic-ready slide, a front rail and a 4.17 in Glock Marksman Barrel. Glock now ships the G48 with its factory 15-round Slimline magazine, and this configuration includes two.

Technical Specifications

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