Marketplace

Gun Shows

Shooting Ranges

Gun Stores

Forum

Reviews

Compare

Blog

Glock 17 Gen 5 vs Glock 18

Glock 17 Gen 5	Glock 18

Category
Handguns	Handguns
Brand
Glock	Glock
Price
$550 – $750	N/A — Military only
Description
The Glock 17 Gen 5 represents the newest evolution of the original full-size Glock pistol. Designed for professional duty, competition, and home defense, the Gen 5 model enhances performance, durability, and ergonomics.	The Glock 18 is a select-fire, fully automatic machine pistol chambered in 9mm, developed in 1987 for elite law enforcement and military counter-terrorism units. Mechanically derived from the Glock 17, it adds a slide-mounted selector switch enabling both semi-automatic and fully automatic fire at a cyclic rate of approximately 1,200 rounds per minute.
Specifications
Caliber: 9 mm Luger System: Safe Action® System Magazine Capacity: Standard: 17 rounds Optional: 10 / 24 rounds Barrel Length: 114 mm (4.49 in) Trigger Pull: 26 N Weight: Without magazine: 630 g (22.22 oz) With empty magazine: 708 g (24.97 oz) With loaded magazine: 945 g (33.33 oz) Overall Length: 202 mm (7.95 in) Slide Length: 186 mm (7.32 in) Overall Width: 34 mm (1.34 in) Height (incl. magazine): 139 mm (5.47 in) Frame Material: Polymer frame Finish: nDLC hard-surface coating	Caliber: 9 mm Luger System: Select-Fire Safe Action® — Semi-Automatic and Fully Automatic Magazine Capacity: Standard: 17 rounds Optional: 19 / 24 / 31 / 33 rounds (extended) Barrel Length: 114 mm (4.49 in) Overall Length: 204 mm (8.03 in) Cyclic Rate: ~1,100 – 1,300 rounds per minute Fire Selector: Slide-mounted switch (up = semi-auto, down = full-auto) Weight: Without magazine: ~620 g (21.9 oz) With loaded magazine: ~905 g (31.9 oz) Trigger Pull: ~5.5 lbs (semi-auto mode) Frame Material: Polymer (modified rail geometry — not interchangeable with G17 frame) Finish: Tenifer / nDLC (depending on generation) Sights: Adjustable rear (windage), fixed front Magazine Compatibility: All standard 9mm Glock G17-frame magazines Availability: Law enforcement and military only — not sold to the civilian market
Pros
Full-size frame offers excellent control and recoil management Enhanced accuracy with Glock Marksman Barrel Durable nDLC finish improves corrosion and wear resistance Flared magwell enables faster reloads in high-stress situations Ambidextrous controls for universal usability Customizable grip size with interchangeable backstraps Strong 17-round standard capacity Proven Glock reliability for duty and defensive use	Unmatched rate of fire — ~1,200 RPM delivers extraordinary close-range suppressive capability Select-fire versatility — quickly switches between precise semi-auto and full-auto modes Compact, concealable form factor similar to the Glock 17 — fits standard G17 holsters Compatible with all standard 9mm Glock magazines, including extended 33-round capacity Proven Glock reliability — durable polymer frame and Tenifer-hardened slide handle intense full-auto stress Accessory rail for mounting lights, lasers, and tactical equipment Glock 18C compensated variant reduces muzzle rise ~30% during full-auto fire via ported slide and barrel Ideal PDW for VIP protection, counter-terrorism, and close-quarters room clearing
Cons
Larger size may not be ideal for concealed carry Polymer factory sights may require upgrading for some users Grip size may feel large for shooters with smaller hands Heavier when fully loaded compared to compact models	Strictly restricted to law enforcement and military — not legally available to civilians in most jurisdictions Extremely difficult to control on full-auto — requires significant training to keep rounds on target Empties a 17-round magazine in under one second on full-auto, making sustained fire nearly impossible Standard 17-round magazine impractical for full-auto; 31–33 round extended mags required for sustained fire Extended magazines compromise concealability in a holster carry setup Glock 18C (ported variant) generates more noise, blast, and flash — hearing protection critical Frame rails deliberately non-interchangeable with G17 to prevent illegal conversions
Best For
Law enforcement and duty use Home defense Competition shooting Range training Shooters who prefer full-size control and capacity	Counter-terrorism and special operations units requiring compact, overwhelming close-range firepower VIP and executive protection teams needing a concealable weapon with burst-fire capability Military and police tactical units for close-quarters battle (CQB) and room-clearing operations Licensed SOT Class III dealers and qualified manufacturers for demonstration and training purposes
Accessories
Extended magazines (24 rounds optional) Weapon-mounted lights and lasers (rail compatible) Night sights or steel sight upgrades Competition magwell enhancements Holsters (duty, OWB, range use) Optics-ready MOS variants (if selected model) Magazine loaders and base plate extensions	Extended magazines — Glock OEM 31-round and 33-round (strongly recommended for full-auto use) Glock 18C compensated variant — factory-ported slide and barrel for reduced muzzle rise in full-auto Weapon lights — Streamlight TLR-1 HL, SureFire X300U (accessory rail compatible) Folding stocks and shoulder braces — aftermarket options for improved full-auto control (jurisdiction dependent) Duty holsters — compatible with standard G17 holsters (Safariland, Blackhawk) with flush-fit magazines Suppressors — threaded barrel adapters for military and LE units for reduced sound signature in CQB

Similar Handguns Comparison