Arex Delta vs Smith & Wesson Model 686

2017–present

1980–Present

Unknown

~2,500,000 estimated

180 mm

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

102 mm

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

640 g (unloaded)

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

15+1 or 17+1 rounds

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

short recoil

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

striker-fired

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

3-dot or optics-ready

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