Enfield No. 2 Mk I vs Smith & Wesson Model 686

1932–1957

1980–Present

Approximately 270,000

~2,500,000 estimated

260 mm

228 mm (9.0 in) with 4" barrel, 191 mm (7.5 in) with 2.5" barrel

127 mm

101.6 mm (4.0 in) standard, 63.5 mm (2.5 in) compact variant

0.77 kg

1.05 kg (2.3 lb) empty, 1.13 kg (2.5 lb) with 4" barrel; 0.94 kg (2.1 lb) empty with 2.5" barrel

6 rounds

6 rounds (standard), compatible with .38 Special cartridges of the same capacity

Top-break revolver

Double‑action revolver, transfer‑bar safety, internal lockup with a single‑action trigger pull when cocked manually

Double action only (Mk I) / Double action (Mk I)

Double‑action trigger with a 5‑6 lb pull; single‑action pull approximately 3‑4 lb when hammer is manually cocked

Fixed iron sights

Adjustable rear sight (windage and elevation) and a fixed front blade; some models equipped with three‑dot tritium night sights