# M12AR-B1 Tactical 12GA Semi-Auto Shotgun - Matte Black

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

## Specifications

- **Caliber:** 12 Gauge
- **Barrel Length:** 18.7"
- **Capacity:** 5 rounds
- **Finish:** Black
- **Weight:** 142.4 oz
- **Overall Length:** 37.99"
- **UPC:** 810058880079
- **SKU:** UCEGDMVTj

## Description

The JTS M12AR-B1 is a 12 gauge semi-automatic shotgun with an 18.7" barrel, 5+1 capacity, and an AR-pattern layout. The 4-position gas system adjusts to different load types, and the chrome-lined barrel adds corrosion resistance and durability.

### Key Specifications
- **Model:** M12AR-B1
- **Gauge:** 12 GA
- **Action:** Semi-Automatic
- **Capacity:** 5 Rounds (+1 in chamber)
- **Barrel Length:** 18.7 inches
- **Overall Length (OAL):** 37.99 inches
- **Weight:** 8.9 lbs.
- **Chamber Size:** Accepts 2-3/4" & 3" shells
- **Choke Configuration:** Rem Choke compatible
- **Sights:** Removable Front & Rear Sights
- **Finish:** Matte Black

### Detailed Features

The 4-position gas system is the key functional feature. It lets the shooter tune the gun to run reliably with lighter target loads or heavier defensive and hunting ammunition without swapping parts. The chrome-lined barrel resists fouling and corrosion over extended use. The Picatinny rail accommodates optics and accessories. Removable front and rear sights give flexibility for users who want to run the included iron sights or mount a red dot. At 8.9 lbs the gun is on the heavier side, which helps absorb recoil from 12 gauge loads.

### Target Audience

Home defense users, competitive shooters, and general-purpose shotgun users who want a semi-auto with AR-platform controls and accessories compatibility.

### Usage Scenarios

- Home defense where the 5+1 capacity and semi-auto action allow fast follow-up shots.
- Competitive shooting where the adjustable gas system handles varied ammunition.
- Recreational range use and clay target practice.

## Frequently Asked Questions

**Q: What caliber is the M12AR?**

A: The M12AR is chambered in 12 gauge.

**Q: Who makes the M12AR?**

A: The M12AR is made by JTS Group.

**Q: What type of firearm is the M12AR?**

A: It is a semi-automatic shotgun with an AR-pattern layout.

**Q: What is the barrel length of the M12AR?**

A: The M12AR has an 18.7" barrel.

**Q: How many rounds does the M12AR hold?**

A: It has a 5+1 capacity.

**Q: Is the M12AR optic-ready?**

A: Yes, the M12AR has a Picatinny rail that accepts optics and accessories.

**Q: Where can I buy the M12AR?**

A: Compare current vendor offers on this page.

## What Customers Say

*AI-generated insights from customer reviews*

The M12AR-B1 gets positive feedback for its reliable semi-auto cycling and the practical 4-position gas system. Most users report smooth operation across different ammunition types once the gun is tuned, and minimal jams during range sessions. The AR-pattern layout is comfortable for shooters already familiar with that platform.

Ergonomics are generally favorable. The grip is comfortable, the adjustable stock suits various shooters, and accessories mount easily on the Picatinny rail. Customization options are frequently discussed. The platform accepts a wide range of optics and accessories, which matters to users who want to build the gun to a specific setup.

The 8.9 lb weight comes up as a trade-off. It helps with recoil management but is on the heavy end for maneuvering indoors. Value discussions are positive. Most buyers see the M12AR-B1 as delivering good performance relative to price. Customer service and warranty experiences vary in reported discussions.

## Pricing

**11 offers available**

| Vendor | Price |
|--------|-------|
| Kygunco Com | $258.50 |
| Grabagun Com | $259.99 |
| Buds Gun Shop | $284.49 |
| Guns Com | $328.99 |
| RK Guns | $349.99 |
| Deguns | $356.99 |
| Shootingsurplus Com | $356.99 |
| Selwayarmory Com | $356.99 |
| Globalordnance Com | $356.99 |
| Centerfiresystems Com | $356.99 |

*...and 1 more offers*

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- [JTS M12AR Tactical 12GA Semi-Auto Shotgun - Matte Black](https://gunsnation.com/p/jts-m12ar-tactical-12ga-semi-auto-shotgun-matte-black/UCEGDMVTS)
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*Data from [GunsNation](https://gunsnation.com)*