Introduction
The Glock 17 Gen5 is 7.95 inches long. It is a full-size pistol, not a compact or micro-compact pistol. In metric terms, 7.95 inches is 202 mm, or 20.2 cm — more than 2 inches longer than the SIG Sauer P365 and nearly 1.5 inches longer than the Glock 43X.
Conversion Chart — Inches to Metric
| Dimension | Inches | Millimetres | Centimetres |
|---|---|---|---|
| Overall Length | 7.95 in | 201.9 mm | 20.19 cm |
| Height | 5.47 in | 138.9 mm | 13.89 cm |
| Width | 1.34 in | 34.0 mm | 3.40 cm |
| Barrel Length | 4.49 in | 114.0 mm | 11.40 cm |

Core Specifications
Caliber: 9mm. Overall length: 7.95 inches (202 mm). Height (with magazine): 5.47 inches (139 mm). Width (overall): 1.34 inches (34 mm). Slide width: 1.00 inch. Barrel length: 4.49 inches (114 mm). Weight (without magazine): 22.26 oz (631 g). Weight (with empty magazine): 25.08 oz (711 g). Standard capacity: 17+1 rounds. Action: Striker-fired semi-automatic.


Length
At 7.95 inches (202 mm / 20.2 cm), the Glock 17 is the second-longest pistol in this set, behind only the SIG Sauer P320 full-size at 8.0 inches.
Height
The Glock 17 is 5.47 inches tall (139 mm / 13.9 cm) with its magazine fitted. That makes it the second-tallest pistol in the set, behind only the P320 full-size at 5.5 inches.
Width
The Glock 17 is 1.34 inches wide overall (34 mm / 3.4 cm), while its slide alone is 1.00 inch wide. At 1.34 inches overall, the Glock 17 is 0.24 inches wider than the Glock 43X and 0.34 inches wider than the P365 and Hellcat Pro.
Barrel Length

The Glock 17 barrel is 4.49 inches long (114 mm / 11.4 cm). That is the second-longest barrel in the set, behind only the P320 full-size at 4.7 inches.

Weight
Without a magazine, the Glock 17 weighs 22.26 oz (631 g). With an empty magazine fitted, it weighs 25.08 oz (711 g).
Capacity
The Glock 17 holds 17+1 rounds (17 in the standard magazine, 1 in the chamber). That matches the P320 full-size’s 17+1 capacity.

Variants
The headline figures above describe the Glock 17 Gen5. Optic-ready (MOS) versions do not change the headline length, height, or width, but a fitted optic adds height above the slide. The Glock 17 is the full-size pistol in Glock’s 9mm range; the Glock 19 is the compact pistol and the Glock 43X is the slimline pistol.





Size Comparisons
SIG Sauer P365 (standard): 5.8 in length, 4.3 in height, 1.0 in width, 3.1 in barrel, 17.8 oz unloaded, 10+1. Glock 43X: 6.50 in, 5.04 in, 1.10 in, 3.41 in, 16.40 oz without magazine, 10+1. Springfield Hellcat Pro: 6.6 in, 4.8 in, 1.0 in, 3.7 in, 21 oz (as listed), 15+1. Glock 17 Gen5: 7.95 in, 5.47 in, 1.34 in, 4.49 in, 22.26 oz without magazine, 17+1. SIG Sauer P320 full-size: 8.0 in, 5.5 in, 1.4 in, 4.7 in, 29.4 oz with magazine, 17+1. Note on weights: figures are not all measured on the same basis — P365 unloaded, Glock figures without a magazine, P320 with a magazine — so the weight column shows each model’s listed figure rather than a like-for-like scale reading.




Frequently Asked Questions
How long is a Glock 17?
The Gen5 is 7.95 inches long (202 mm), with a 4.49-inch barrel.
How tall is a Glock 17?
5.47 inches tall (139 mm) with its magazine fitted.
How wide is a Glock 17?
1.34 inches wide overall (34 mm); its slide alone is 1.00 inch wide.
How much does a Glock 17 weigh?
22.26 oz without a magazine and 25.08 oz with an empty magazine.
What is the capacity of a Glock 17?
17+1 rounds. It is classed as a full-size pistol, not a compact or micro-compact pistol.
Conclusion
The Glock 17 Gen5 measures 7.95 inches long, 5.47 inches tall, and 1.34 inches wide overall, with a 4.49-inch barrel, a weight of 22.26 oz without a magazine (25.08 oz with an empty magazine), and a capacity of 17+1. Sources: Manufacturer specifications (Glock product pages, checked October 2026). For a general length reference, see NIST SI Units – Length.
Related Guides
- Glock 19 Dimensions: Length, Height, Width & Size Guide
- How Long Is a SIG Sauer P365? Dimensions & Size Guide (2026)
- How Long Is a Springfield Hellcat Pro? Dimensions Guide (With Picture)
- How Long Is an HK416 Rifle? Length by Barrel, Stock and Variant
- How Long Is an FN SCAR Rifle? Length by Model and Stock Position (2026)

Hi, I’m Michael Carter, I write simple, everyday size guides so you can picture any measurement in seconds.

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