GLOCK 45 MOS | Gen5 9mm | 4.02 in Barrel | PA455S201MOS

The GLOCK 45 MOS is a Gen5 compact crossover pistol that pairs a compact slide with a full-size frame for a balance of controllability and concealability. It features the Modular Optic System (MOS) slide for mounting miniature red-dot optics without additional slide work, front slide serrations, and a GLOCK Marksman Barrel (GMB). The pistol ships with three 10-round magazines and a set of interchangeable backstraps to tailor grip circumference. For a reliable red-dot option under $1000 that pairs well with the MOS configuration, consider the Trijicon RMR Type 2.

Product Specifications

• The UPC is 764503034152.
• The manufacturer part number is PA455S201MOS.
• The model is listed as the G45 Gen5 MOS.
• The series is Gen5 MOS.
• The cartridge caliber is 9mm.
• The barrel measures 4.02 inches for the standard configuration shown in source data.
• The frame material is polymer.
• The slide finish is black nDLC.
• The sights are fixed front and rear.
• The optic footprint is a proprietary slide cut (MOS) to accept common adapter plates.
• The pistol includes 3 x 10-round magazines as listed in the item details.
• Included accessories are mag loader, cleaning kit, pistol case, cable lock, and backstrap set.
• Notable features include front slide serrations, a flared magwell, the Modular Backstrap System (MBS), and a Glock Marksman Barrel (GMB).
• The finish style is black nDLC (matte).
• Country of origin is listed as AT (Austria).

The G45 MOS is built for shooters who want a service-style grip and controls with a slightly shorter slide for reduced carry profile. Its MOS slide simplifies adding a miniature red dot, and the included accessories and interchangeable backstraps make it easy to set up for duty carry or everyday carry. The GMB and enhanced texture aim to deliver consistent, repeatable performance at the range and in routine carry use.

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