The Glock G19 Gen5 MOS is an optic-ready compact handgun intended for everyday carry, range training, and duty applications where a reliable, compact 9mm platform is required. Its MOS (Modular Optic System) configuration allows mounting of popular miniature red dot sights for reduced sight acquisition time.

The pistol pairs a compact polymer frame with a serrated steel slide machined for MOS adapter plates. Ergonomic Gen5 refinements include a Glock Marksman Barrel with polygonal rifling and an enlarged, flared mag-well for faster reloads. The frame is finished in FDE camo and includes a Picatinny rail for accessory mounting.

Key Specifications

The caliber is 9mm Luger.
The magazine capacity is 15+1.
The barrel length is 4.02 inches, specified as a Glock Marksman Barrel (GMB).
The slide is a MOS cut, serrated steel slide designed for mounting miniature red dot optics with adapter plates.
The frame is a flat dark earth (FDE) camo polymer frame with an integrated Picatinny rail for accessories.
The pistol includes ambidextrous slide stop levers for enhanced ergonomics.
The Gen5 features include a flared mag-well and removal of finger grooves for a more universal grip fit.
The Glock Marksman Barrel features polygonal rifling with a target-style crown and tightened chamber specs.
The pistol ships with one optic adapter plate, three magazines, a mag loader, cleaning kit, pistol case, and gun lock.
The action incorporates Glock’s Safe Action System with integrated passive safeties.