# Orthos Arms Raider S4 12 Gauge 18.5in OD Green

**Brand:** Orthos Arms
**Category:** Semi-Automatic Shotguns
**Caliber:** 12 Gauge

## Specifications

- **Caliber:** 12 Gauge
- **Barrel Length:** 18.5"
- **UPC:** 850039520617
- **SKU:** UCExr5CSf

## Description

The Orthos Arms Raider S4 is a semi-automatic shotgun chambered in 12 Gauge with an 18.5-inch barrel and a 6+1 round capacity. It has an OD Green finish and an M-LOK compatible handguard for accessory attachment.

### Key Specifications
- **Brand**: Orthos Arms
- **Model**: Raider S4
- **Caliber**: 12 Gauge
- **Action**: Semi Auto
- **Capacity**: 6+1 rounds
- **Barrel Length**: 18.5 inches
- **Color/Finish**: OD Green

### Detailed Features
- Semi-automatic action in 12 Gauge
- 18.5-inch barrel in a tactical configuration
- M-LOK handguard for accessory mounting
- OD Green finish throughout
- 6+1 round capacity

## Frequently Asked Questions

**Q: What caliber is the Raider S4?**

A: The Raider S4 is chambered in 12 Gauge.

**Q: Who makes the Raider S4?**

A: The Raider S4 is made by Orthos Arms.

**Q: What type of firearm is the Raider S4?**

A: It is a semi-automatic shotgun with a tactical configuration.

**Q: What is the barrel length of the Raider S4?**

A: The Raider S4 has an 18.5-inch barrel.

**Q: How many rounds does the Raider S4 hold?**

A: It holds 6+1 rounds.

**Q: What finish does the Raider S4 come in?**

A: The Raider S4 has an OD Green finish.

**Q: Does the Raider S4 have an M-LOK handguard?**

A: Yes, the Raider S4 has an M-LOK compatible handguard for accessory attachment.

**Q: Where can I buy the Raider S4?**

A: Compare current vendor offers on this page.

## What Customers Say

*AI-generated insights from customer reviews*

Owners of the Raider S4 tend to highlight the M-LOK handguard as a practical feature, making it easy to run a light or foregrip without add-on adapters. The OD Green finish gets generally positive feedback for durability and appearance.

The semi-auto action is where opinion splits. Some owners report running a variety of loads without issue from the start, while others note the Raider S4 needs a break-in period before it cycles reliably across different shell weights.

At its price point in the tactical shotgun category, the Orthos Arms name is less established than some competitors, and a few owners mention limited aftermarket support. Those who have run it hard tend to come away satisfied with the build quality.

## Pricing

**3 offers available**

| Vendor | Price |
|--------|-------|
| Buds Gun Shop | $1259.99 |
| Kygunco Com | $1343.99 |
| Guns Com | $1499.99 |

## Similar Products

- [Orthos Arms Raider S4 Elite 12 Gauge 18.5in Green](https://gunsnation.com/p/orthos-arms-raider-s4-elite-12-gauge-18-5in-green/UCExryeay)
- [Orthos Arms Raider S4 12 Gauge 18.5in Camo](https://gunsnation.com/p/orthos-arms-raider-s4-12-gauge-18-5in-camo/UCExr5CTH)
- [Orthos Arms Raider S4 12 Gauge 18.5in Black](https://gunsnation.com/p/orthos-arms-raider-s4-12-gauge-18-5in-black/UCExr5CSB)
- [Orthos Arms Raider S4 12 Gauge 18.5in FDE](https://gunsnation.com/p/orthos-arms-raider-s4-12-gauge-18-5in-fde/UCExr5CSI)
- [Orthos Arms Raider S4 12 Gauge 18.5in Gray](https://gunsnation.com/p/orthos-arms-raider-s4-12-gauge-18-5in-gray/UCExr5CSO)
- [Orthos Arms Raider S4 12 Gauge 18.5in Alpine Elite](https://gunsnation.com/p/orthos-arms-raider-s4-12-gauge-18-5in-alpine-elite/UCExryeas)

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*Data from [GunsNation](https://gunsnation.com)*