MOSSBERG 590RM 12 GA 18.5″ 5 POSITION ADJ MIL SPEC BLACK
The 590RM Rotary Safety Selector shotguns utilize the first production double-stack magazines made for pump-actions – providing more efficient capacity vs. length than competitive designs. Plus, they combine time-tested Mossberg durability with ground-breaking new features like a rotary safety selector; a compact, ergonomically-designed forend, and an integrated barrel/heat shield combination.

Features:
- 12 GA, 2.75″ Chamber, 10+1 Capacity
- Ambidextrous rotary safety selector
- Detachable 10-round magazine
- 18.5″ barrels with integrated heat shield
- Flat profile trigger with smooth, crisp break
- Top picatinny rail optimized for optics mounting; select model with Magpul MBUS3 sights
- Standard pump-action features include: dual extractors, steel-to-steel lockup, twin action bars, and anti-jam elevator for smooth operation
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| Item | Specification |
|---|---|
| SKU | 50213 |
| Gauge | 12 Gauge |
| Action Type | Pump-Action |
| Chamber Size | 2.75″ |
| Usage | Security |
| Barrel Type | Integrated Heat Shield |
| Barrel Length | 18.5″ |
| Barrel Finish | Phosphate |
| Choke | Accu-Choke System – Cylinder Bore Choke Installed |
| Capacity | 10+1 |
| Overall Length | 36.9″ |
| Length of Pull (LOP) | 12″–15.25″ |
| LOP Type | Adjustable |
| Sights | Magpul MBUS 3 Adjustable Sights |
| Stock | 5-Position Adjustable Stock w/ Interchangeable Pad, MOE Pistol Grip, Compact Forend (Black) |
| Trigger | Flat Profile |
| Safety | Rotary Safety Selector |
| Weight | 8 lbs |






