Upgrade your GLOCK G19 Gen3 with this factory OEM spare slide featuring MOS (Modular Optic System) compatibility and front serrations for enhanced manipulation. Designed by GLOCK for GLOCK, this spare slide provides a high-quality replacement or upgrade path for shooters wanting to run an optic-ready setup while preserving their factory slide or improving slide-handling ergonomics.

This slide assembly ships with GLOCK standard sights pre-installed, a GLOCK MOS cover plate, and all assembled internals, ready to drop onto your Gen3 frame. Please note that a barrel, recoil spring assembly, and MOS adapter plates are not included.

Whether you're building a dedicated red-dot slide or just want a backup slide for training and competition, this factory slide offers genuine reliability and performance.