Description

The Glock 17 Gen 4 is a full‑size 9×19 mm Luger (9 mm) semi‑automatic pistol built on Glock’s renowned Safe Action® system, known for simplicity, rugged reliability, and ease of use. The Gen 4 upgrade adds a dual recoil spring assembly for softer recoil and prolonged service life, interchangeable backstraps to tailor grip size, an enlarged reversible magazine catch for left‑ or right‑handed shooters, and a rough‑textured frame for better control. It’s widely used for duty, home defense, competition, and general range use.

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Specifications

Caliber & Operation

• Caliber: 9×19 mm Luger (9 mm)
• Action/System: Semi‑automatic, Safe Action® striker‑fired system (three passive safeties) — no manual safety lever

Capacity

• Standard Magazine: 17 + 1 rounds
• Optional Magazines: 19 / 24 / 31 / 33 / 10 round variants compatible

Barrel & Slide

• Barrel Length: 114 mm (4.49 in)
• Slide Length: ~186 mm (7.32 in)
• Finish: Corrosion‑resistant (Tenifer or similar, varies by production lot)

Frame & Ergonomics

• Frame Material: Black polymer with Gen 4 rough textured frame
• Backstraps: Interchangeable modular backstraps for custom grip size
• Recoil System: Dual recoil spring assembly for reduced recoil and longer spring life
• Magazine Catch: Reversible enlarged magazine catch (ambidextrous friendly)
• Accessory Rail: Standard rail on dust cover for lights/lasers

Sights & Controls

• Sights: Fixed white‑dot front and white‑outline rear (standard)
• Trigger Pull: ~28 N (~5.5 lb) typical

Dimensions & Weight

• Overall Length: ~202 mm (7.95 in)
• Width: ~32 mm (1.26 in)
• Height (with mag): ~139 mm (5.47 in)
• Weight (unloaded): ~625 g (22.05 oz)
• Weight (with empty mag): ~705 g (24.87 oz)
• Weight (with loaded mag): ~915 g (32.28 oz)

Safety

• Safeties: Safe Action® system — trigger safety, firing‑pin safety, and drop safety; and external manual safety

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Note

• The Gen 4 upgrade marked a significant evolution over earlier generations by offering better ergonomics, recoil control, and adaptability for a broader range of shooters.
• The modular backstrap system allows the shooter to tailor the grip circumference without altering the grip angle — a key comfort/fit improvement.
• The dual recoil spring assembly is designed to reduce felt recoil and extend the service life of the recoil system compared to Gen 3 designs.