Mossberg 500 vs Remington 870

1964–Present

1950–present

10,000,000+ units (cumulative worldwide)

Over 11,000,000

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

978-1320mm (38.5-52 in) (varies by model)

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

457-762mm (18-30 in) (varies by model)

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

3.2-3.6 kg (7-8 lb) (varies by model)

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

4+1 to 7+1 rounds (varies by model)

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

Pump action

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

Single-stage

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

Bead sight, rifle sights, or ghost ring sights (varies by model)