The Glock 34 Gen5 MOS in 9mm Luger is built for competition-style accuracy with an extended 5.31 in barrel and the Glock Marksman Barrel (GMB) featuring polygonal rifling and an improved crown. Its MOS slide simplifies mounting popular optics without custom slide machining, while adjustable factory sights provide backup capability.
Key Features
5.31 in Glock Marksman Barrel (GMB) with polygonal rifling for improved accuracy
Striker-fired design with internal trigger safety and integrated drop safety features
Interchangeable backstrap system for improved grip fit and control
MOS (Modular Optic System) slide to mount compatible optics without custom machining
Adjustable iron sights for everyday use and backup aiming
Black nDLC slide finish for added durability and corrosion resistance
A proven competition pistol from Glock with MOS capability for optic mounting—ideal if you want performance and flexibility in one platform.
