Description

The Glock 20 Gen 4 is a full‑size, polymer‑framed, striker‑fired 10 mm Auto pistol renowned for its high capacity, rugged reliability, and powerful cartridge performance. Built around Glock’s Safe Action® system, the Gen 4 model adds a dual recoil spring assembly for softer recoil, interchangeable backstraps for customizable grip size, and a reversible magazine catch for ambidextrous use. Suited for self‑defense, outdoors/hunting, and range use, it’s a versatile and dependable handgun platform.

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Specifications

Caliber & Action

• Caliber: 10 mm Auto
• Action: Semi‑automatic, recoil‑operated with Safe Action® trigger system (trigger, firing‑pin, and drop safeties)

Capacity

• Standard Magazine: 15 + 1 rounds
• Optional Magazines: 10 + 1 (varies by jurisdiction)

Barrel & Slide

• Barrel Length: 4.61 in (117 mm)
• Slide Length: ~7.60 in
• Rifling: Hexagonal (Glock)
• Slide Material: Steel (corrosion‑resistant finish)

Frame & Ergonomics

• Frame: Polymer with rough‑texture grip and modular backstrap system (Small/Medium/Large)
• Recoil System: Dual recoil spring assembly (Gen 4) to reduce felt recoil and prolong spring life
• Reversible Magazine Catch: Ambidextrous capability
• Accessory Rail: Standard for lights/lasers

Sights

• Sights: Fixed white‑dot combat sights (standard)

Dimensions & Weight

• Overall Length: ~8.07 in (205 mm)
• Height (with magazine): ~5.51 in (140 mm)
• Width: ~1.34 in (34 mm)
• Weight (unloaded): ~30.7 oz (870 g)
• Weight (with loaded magazine): ~39.8 oz (1130 g)

Trigger

• Trigger Pull: ~28 N (~5.5 lb) with Safe Action® system

Safety Features

• Safeties: Trigger safety, firing‑pin safety, drop safety (part of Safe Action) — no manual thumb safety

Typical Use Cases

• Defense: Excellent stopping power and capacity for personal/professional defense
• Hunting/Outdoors: Robust enough for big game hunting and outdoor applications
• Range Shooting: Reliable and accurate with a wide range of 10 mm loads

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Notes

• The Gen 4 upgrades (dual recoil spring, modular backstraps, rough‑texture grip) improve control and adaptability over earlier Glock 20 generations.
• The 10 mm Auto cartridge gives significantly more power than many typical service calibers, making the Glock 20 Gen 4 suitable both for hard‑hitting defensive loads and hunting loads.