FN 503 vs SIG Sauer P226

2020–present

1984–Present

Unknown

~1,200,000+ units estimated

163 mm

196 mm (7.7 in) standard; 185 mm (7.3 in) Compact; 210 mm (8.3 in) Tactical

91 mm

112 mm (4.4 in) standard; 102 mm (4.0 in) Compact; 140 mm (5.5 in) Tactical

0.59 kg

985 g (2.17 lb) empty (standard); 1,050 g (2.31 lb) with loaded 15‑round magazine

6 rounds

15 rounds standard (9mm); 10 rounds (9mm Compact); 20 rounds (9mm Tactical); also available in 12‑round .40 S&W and 10‑round .45 ACP magazines

Striker-fired semi-automatic

Short recoil, locked breech with rotating barrel; DA/SA with manual safety/decocker

Striker-fired

Double‑action first pull, single‑action subsequent pulls; optional single‑action only trigger for competition models

Fixed three-dot

Fixed three‑dot tritium night sights (front blade and rear notch) on most models; optional Novak or SIGLITE rail‑mounted optics