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Mossberg 500

IN PRODUCTION
Mossberg 500
Quick Overview
Production
1964 - Present
Overview

The Mossberg 500 is a pump‑action, 12‑gauge shotgun introduced in 1964 that embodies O.F. Mossberg & Sons' philosophy of rugged simplicity, affordability, and modularity for civilian, law‑enforcement and limited military use. Its hallmark is a dual‑action, steel‑reinforced receiver with a patented “anti‑jam” bolt and a simple, interchangeable barrel system that allows rapid conversion between 12‑gauge, 20‑gauge, and .410 bore configurations. The shotgun’s ambidextrous safety lever, low‑profile stock, and easy‑to‑clean design have earned it a reputation for reliability in harsh environments, making it a staple among hunters, home‑defense owners, and tactical units. Distinguishing features include the “Mossberg choke” system, a free‑floating barrel, and a takedown design that requires no tools, which together contribute to its enduring popularity and status as one of the best‑selling shotguns in the world.

Calibers & Ammunition
Dimensions
Overall Length
965 mm (38 in) with stock extended; 864 mm (34 in) with stock collapsed (tactical models)
Barrel Length
406 mm (16 in) standard; 457 mm (18 in) and 508 mm (20 in) options
Weight
2.95 kg (6.5 lb) empty (12‑gauge, 18‑in barrel)
Mechanical
Action Type
Pump‑action, slide‑action bolt with dual‑action locking lug; steel receiver with anti‑jam bolt design
Trigger Type
Single‑stage trigger with manual safety lever; optional ghost‑ring safety on tactical models
Sights Type
Bead front sight; optional ghost‑ring rear sight or fiber‑optic front sight on tactical variants
Magazine Capacity
5+1 rounds standard; 6+1, 7+1, 8+1 tube extensions available; detachable box magazines up to 5 rounds

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