6th generation GLOCK pistol differences

Although the Gen6 GLOCK pistols seem familiar at first glance, they represent the biggest change in GLOCK pistols since the introduction of the first GLOCK 17, breaking the tradition of GLOCK typically making relatively minor changes from generation to generation.

First up in the Gen6 series are the G17, G19, and G45. Here are some of the differences as compared to Gen5 GLOCK pistols.

Stock differences

• New palm swell
• New rounded front panel
• New hybrid wrap-around RTF6 (Rough Textured Frame 6)
• Texturing now extends farther up, and has a border
• New enlarged beavertail
• +2mm and +4mm backstraps
• Shorter stock trigger housing pin
• Reduction in the prominence of the thumb depression
• New thumb rest (AKA gas pedal)
• Extended fence around the slide release lever
• More prominent magazine release button
• Lower rear trigger guard has a rounded profile
• Wider Picatinny rail groove
• Updated trigger housing profile on the new trigger housing
• Redesigned trigger housing ejector section
• New channel inside the stock for the rear edge of the connector
• Wider slide lock lever for easier take-down
• Upper stock and front cover are the same length across each of these three pistols, allowing interchangeability of barrels
• Different mag well shape and bottom edge profile

Slide assembly differences

• New rifling
• New forward relief area for the trigger bar
• Narrower firing pin beak
• The firing pin beak is truncated
• New firing pin profile
• New firing pin safety profile
• Spring cups are now castellated
• New stepped chamber
• Re-profiled slide serrations
• New extractor channel to make room for optics-mounting fasteners
• Reprofiled extractor
• New extractor spring
• New extractor assembly removal and replacement procedure
• Gen3 G19-style polymer single-coil recoil assembly
• GenV internal slide profile to defeat GLOCK switches
• Larger hole for front sight tool access on the G17
• COA-cut GLOCK pistols are rumored to become available to the civilian market again in March 2026

Trigger differences

• Flat-faced trigger
• Trigger safety is flush when fully depressed
• Reshaped trigger safety tab
• Shorter distance from the backstrap to the trigger (2mm)

Sight and optics mounting differences

• Improved rear sight gap
• Rear sight now has identifying number instead of icon
• New optics mounting system with three included shock-absorbing polymer mounting adapters instead of metal plates
• Two sets of mounting holes for different optics
• Accepts longer mounting screws

Dimensional differences