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Bersa Thunder 9 vs SIG Sauer P365 — Side-by-Side Comparison | TGDB - The Gun Database
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Bersa Thunder 9 vs SIG Sauer P365
Bersa Thunder 9
vs
SIG Sauer P365
Side-by-side technical comparison
Bersa Thunder 9
Handguns
In production
SIG Sauer P365
Handguns
In production
Overview
Spec
Bersa Thunder 9
SIG Sauer P365
Manufacturer
Bersa
SIG Sauer
Country
Argentina
United States
Production
1991–present
2018–Present
Units produced
Unknown
~2,500,000 estimated
Specifications
Spec
Bersa Thunder 9
SIG Sauer P365
Overall length
195 mm
185 mm (7.3 in) standard, 197 mm (7.8 in) XL
Barrel length
108 mm
99 mm (3.9 in)
Weight
0.79 kg
0.68 kg (1.5 lb) empty (standard), 0.73 kg (1.6 lb) empty (XL)
Magazine capacity
17 rounds
10 rounds standard, 12 rounds optional, 15 rounds extended, plus 7‑round flush‑fit for training
Action type
Short recoil, locked breech
Short recoil, locked breech, striker‑fired with SIG Safe Action system
Trigger type
Calibers
Bersa Thunder 9
.40 S&W
9x19mm Parabellum
SIG Sauer P365
9x19mm Parabellum
Bersa Thunder 9
SIG Sauer P365
Another comparison
Double-action / single-action
Striker‑fire Safe Action trigger, consistent ~4.5 lbf pull, no manual safety
Sights
Fixed front and rear with three-dot system
Standard: 3‑dot tritium night sights; optional: optics‑ready slide for micro‑red dot (P365 SAS/Pro)
