Mossberg 500 vs Stevens Model 311

1964–Present

1940–1989

10,000,000+ units (cumulative worldwide)

Over 1,500,000

965 mm (38 in) with stock extended; 864 mm (34 in) with stock collapsed (tactical models)

1,194 mm (47.0 in)

406 mm (16 in) standard; 457 mm (18 in) and 508 mm (20 in) options

711 mm (28.0 in)

2.95 kg (6.5 lb) empty (12‑gauge, 18‑in barrel)

3,180 g (112.0 oz) unloaded

5+1 rounds standard; 6+1, 7+1, 8+1 tube extensions available; detachable box magazines up to 5 rounds

2 rounds

Pump‑action, slide‑action bolt with dual‑action locking lug; steel receiver with anti‑jam bolt design

Break-action

Single‑stage trigger with manual safety lever; optional ghost‑ring safety on tactical models

Double triggers

Bead front sight; optional ghost‑ring rear sight or fiber‑optic front sight on tactical variants

Single brass bead front