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Glock 18 vs SIG Sauer P365 — Side-by-Side Comparison | TGDB - The Gun Database
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Glock 18 vs SIG Sauer P365
Glock 18
vs
SIG Sauer P365
Side-by-side technical comparison
Glock 18
Handguns
In production
SIG Sauer P365
Handguns
In production
Overview
Spec
Glock 18
SIG Sauer P365
Manufacturer
Glock Ges.m.b.H.
SIG Sauer
Country
Austria
United States
Production
1986–Present
2018–Present
Units produced
~250,000 estimated (including all variants)
~2,500,000 estimated
Specifications
Spec
Glock 18
SIG Sauer P365
Overall length
204 mm (8.03 in) standard, 236 mm (9.29 in) on 18C model
185 mm (7.3 in) standard, 197 mm (7.8 in) XL
Barrel length
102 mm (4.02 in) standard, 135 mm (5.31 in) on 18C model
99 mm (3.9 in)
Weight
625 g (1.38 lb) empty (standard), 730 g (1.61 lb) with 33‑round magazine
0.68 kg (1.5 lb) empty (standard), 0.73 kg (1.6 lb) empty (XL)
Magazine capacity
33 rounds standard, 50‑round drum, 10‑round compact magazines available
10 rounds standard, 12 rounds optional, 15 rounds extended, plus 7‑round flush‑fit for training
Action type
Short recoil, locked breech, striker‑fired Safe Action system
Short recoil, locked breech, striker‑fired with SIG Safe Action system
Calibers
Glock 18
9x19mm Parabellum
SIG Sauer P365
9x19mm Parabellum
Glock 18
SIG Sauer P365
Another comparison
Trigger type
Safe Action striker‑fire with slide‑mounted fire selector (semi‑auto / fully‑auto)
Striker‑fire Safe Action trigger, consistent ~4.5 lbf pull, no manual safety
Sights
Fixed polymer rear notch and front post; optional tritium night sights and aftermarket rail‑mounted optics
Standard: 3‑dot tritium night sights; optional: optics‑ready slide for micro‑red dot (P365 SAS/Pro)
