# Winchester SX4 Cantilever 12GA Semi-Auto Shotgun - Fiber Optic Sights

**Brand:** Winchester
**Category:** Semi-Automatic Shotguns
**Caliber:** 12 Gauge

## Specifications

- **Caliber:** 12 Gauge
- **Barrel Length:** 22"
- **Capacity:** 4 rounds
- **Finish:** Matte
- **Weight:** 7 oz
- **Overall Length:** 43"
- **UPC:** 048702010118
- **SKU:** UCr9wfcE

## Description

The Winchester SX4 Cantilever Buck is a semi-automatic shotgun chambered in 12 GA with a 3" chamber. The 22" barrel keeps overall length to 43", making it handy in tight spots. TruGlo fiber optic front and adjustable rear sights are standard. The Inflex recoil pad reduces felt recoil, which matters over a long day afield. An aluminum alloy receiver keeps weight at 7.8 lbs.

### Key Specifications
- **Brand:** Winchester
- **Model Name:** SX4 Cantilever Buck
- **UPC:** 048702010118
- **Gauge:** 12 GA
- **Action:** Semi-Automatic
- **Capacity:** 4 Rounds (3" Chamber)
- **Barrel Length:** 22"
- **Overall Length:** 43"
- **Weight:** 7.8 lbs.
- **Finish:** Matte Black
- **Sights:** TruGlo Fiber Optic Front & Adjustable Rear

### Features

The semi-auto action lets you follow up without cycling the bolt manually. The cantilever mount above the barrel gives a solid optics platform that stays true to the bore axis when the barrel is removed, which is useful for slug hunting where a red dot or low-power scope is common. The fiber optic front is easy to pick up in low light; the adjustable rear lets you set point of impact. The Inflex pad does noticeably cut recoil on heavier loads. Capacity is 4+1 rounds.

### Usage

Most buyers run this gun for deer with slugs, where the cantilever, short barrel, and adjustable sights all make sense together. It also works for close-range upland or defensive use. Competitive clay shooters would likely choose a longer barrel, but for the field it covers a lot of ground.

## Frequently Asked Questions

**Q: What gauge is the SX4?**

A: The SX4 Cantilever Buck is chambered in 12 gauge with a 3" chamber.

**Q: Who makes the SX4?**

A: Winchester makes the SX4.

**Q: What type of shotgun is the SX4?**

A: It is a semi-automatic shotgun.

**Q: What is the barrel length of the SX4?**

A: The SX4 Cantilever Buck has a 22" barrel.

**Q: How many rounds does the SX4 hold?**

A: It has a 4+1 capacity.

**Q: What sights does the SX4 come with?**

A: It has TruGlo fiber optic front and adjustable rear sights.

**Q: Where can I buy the SX4?**

A: Compare current vendor offers on this page.

## What Customers Say

*AI-generated insights from customer reviews*

The SX4 Cantilever gets solid marks for reliability. Most users report it cycles smoothly across a range of loads, and the semi-auto action is appreciated for quick follow-up shots in hunting situations.

The cantilever design draws consistent praise for making optics mounting practical, and the TruGlo fiber optic sights are well-regarded for target acquisition in early-morning or late-evening conditions.

The recurring criticism is weight during long carry. 7.8 lbs adds up over a full day in the field. Some owners also mention wanting better recoil management on heavier slug loads, even with the Inflex pad. Overall the reception is positive, and it is frequently recommended for deer hunters wanting a slug-ready semi-auto.

## Pricing

**3 offers available**

| Vendor | Price |
|--------|-------|
| Grabagun Com | $1039.99 |
| Primaryarms Com | $1059.99 |
| Guns Com | $1134.99 |

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