# Winchester SXP Marine Defender: 20GA Pump Shotgun, 18" Barrel, Matte Black

**Brand:** Winchester
**Category:** Pump-Action Shotguns
**Caliber:** 20 Gauge

## Specifications

- **Caliber:** 20 Gauge
- **Barrel Length:** 18"
- **Capacity:** 4 rounds
- **Finish:** Black / Chrome
- **Weight:** 100.8 oz
- **Overall Length:** 38.5"
- **UPC:** 048702006609
- **SKU:** UCr9wehd

## Description

The Winchester SXP Marine Defender is a pump-action shotgun chambered in 20 GA, built for home defense, hunting, and general utility. Its synthetic stock keeps weight down and shrugs off moisture, which matters in the coastal or humid environments this model is clearly aimed at.

### Key Specifications
- **Gauge:** 20 GA
- **Action:** Pump Action
- **Capacity:** 5 Rounds (+1)
- **Barrel Length:** 18 inches
- **Weight:** 6 lbs. 2 oz.
- **Overall Length:** 38.5 inches
- **Chamber Size:** 3 inches
- **Finish Color:** Matte Black / Synthetic Black Stock

### Features
At just over 6 lbs, the gun is easy to move with. The pump cycles reliably across a wide range of loads, which is worth noting for a defensive gun that may see less-than-optimal ammunition. TruGlo fiber optic front and ghost ring rear sights give usable low-light performance without a separate purchase. The cylinder bore choke keeps patterns open at close range, appropriate for the defensive role. The matte black finish resists corrosion without the upkeep that blued steel demands.

### Use
The 18-inch barrel and 38.5-inch overall length make it manageable indoors. The 20 GA reduces recoil compared to 12 GA, which helps with fast follow-up shots and broadens the shooter pool. It also works for upland birds and small game when you're not running it as a house gun.

## Frequently Asked Questions

**Q: What gauge is the Winchester SXP Marine Defender?**

A: The Winchester SXP Marine Defender is chambered in 20 GA with a 3-inch chamber.

**Q: What is the barrel length of the SXP Marine Defender?**

A: It has an 18-inch barrel.

**Q: How many rounds does the SXP Marine Defender hold?**

A: It has a 5+1 capacity.

**Q: What type of firearm is the SXP Marine Defender?**

A: It is a pump-action shotgun with a synthetic stock and matte black finish.

**Q: Who makes the SXP Marine Defender?**

A: Winchester makes the SXP Marine Defender.

**Q: Where can I buy the Winchester SXP Marine Defender?**

A: Compare current vendor offers on this page.

## What Reviewers Say

*Quoted verbatim from YouTube reviews. Each link opens the video at the moment quoted.*

> I don't think I would trust it because stuff just bounces off bowling pins.
>
> — [hickok45](https://www.youtube.com/watch?v=aILKbRCJxQU&t=521s)

> I know a lot of people don't like it. I don't. Winchester. Gosh, it's such an iconic company. You just hate to think about them being made all over the place or assembled all over the place.
>
> — [hickok45](https://www.youtube.com/watch?v=aILKbRCJxQU&t=585s)

> The thing just it cycles great. You notice one difference about this shotgun is the uh the slide.
>
> — [hickok45](https://www.youtube.com/watch?v=aILKbRCJxQU&t=1162s)

> Overall I'm fairly impressed with it for the price okay all else you know being equal for the price of the firearm the shotgun i mean it's it's something i would consider for a just a knockaround shotgun.
>
> — [hickok45](https://www.youtube.com/watch?v=aILKbRCJxQU&t=1215s)

## What Customers Say

*AI-generated insights from customer reviews*

Owners generally like the SXP Marine Defender in 20 GA. The pump action gets credit for being smooth and easy to run, and the lightweight build comes up repeatedly as a plus for people who need to carry it or store it for quick access. The matte finish and synthetic stock hold up well and don't require babying, which coastal users specifically appreciate.

Recoil criticism does come up. The 20 GA is softer than 12 GA, but certain loads still produce noticeable kick, and a few shooters sensitive to recoil mention it. Capacity is adequate for most uses at 5+1, though some users would prefer more rounds. Both are minor gripes on an otherwise well-regarded defensive shotgun.

## Pricing

**8 offers available**

| Vendor | Price |
|--------|-------|
| Guns Com | $375.99 |
| Shootingsurplus Com | $390.88 |
| Grabagun Com | $399.99 |
| Gunbuyer Com | $401.35 |
| Kygunco Com | $401.35 |
| Impactguns Com | $405.79 |
| Buds Gun Shop | $409.49 |
| Gritrsports Com | $409.99 |

## Similar Products

- [Winchester SXP Shadow Marine Defender 20G Pump Shotgun](https://gunsnation.com/p/winchester-sxp-shadow-marine-defender-20g-pump-shotgun/UCr9wetl)
- [Winchester SXP Defender - 20GA Pump Shotgun Black Synthetic](https://gunsnation.com/p/winchester-sxp-defender-20ga-pump-shotgun-black-synthetic/UCr9weHD)
- [Winchester SXP Marine Defender 12GA Pump Shotgun](https://gunsnation.com/p/winchester-sxp-marine-defender-12ga-pump-shotgun/UCr9wete)
- [Winchester SXP Marine Defender 12GA Pump Shotgun - Rugged Pro](https://gunsnation.com/p/winchester-sxp-marine-defender-12ga-pump-shotgun-rugged-pro/UCr9wdoa)
- [Winchester SXP Shadow Defender 20GA Tactical Pump Shotgun - Black](https://gunsnation.com/p/winchester-sxp-shadow-defender-20ga-tactical-pump-shotgun-black/UCr9wetX)
- [Winchester SXP Defender 20GA Pump Shotgun - OD Green, 18" Barrel](https://gunsnation.com/p/winchester-sxp-defender-20ga-pump-shotgun-od-green-18-barrel/UCr9wipS)

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