Radikal MK-3 12 GA Semi-Auto Shotgun - Compact 19" Barrel, 5+1 Capacity
The Radikal MK-3 12 GA Semi-Auto Shotgun - Compact 19" Barrel, 5+1 Capacity is a 12 Gauge semi-automatic shotguns from SDS Imports. It is available from 3 vendors at $359.99 to $471.99.

Product Information
Name: Radikal MK-3 12 GA Semi-Auto Shotgun - Compact 19" Barrel, 5+1 Capacity
Brand: SDS Imports
Category: Semi-Automatic Shotguns
Caliber: 12 Gauge
Barrel Length: 19"
Capacity: 5 rounds
UPC: 713135218812
SKU: UCCYPyhYa
Description
The SDS Imports Radikal MK-3 is a semi-automatic 12-gauge shotgun with a 19-inch barrel and 3-inch chamber, configured for home defense and tactical use. The compact barrel improves handling in tight spaces, and the semi-auto action allows faster follow-up shots than a pump. It ships with A2 front sights and a carry handle rear sight. Manual safety is included.
Key Specifications
- Manufacturer: SDS Imports
- Model: Radikal MK-3
- UPC: 713135218812
- Gauge: 12 GA
- Action: Semi-Automatic
- Capacity: 5+1 rounds
- Barrel Length: 19 inches
- Chamber: 3 inches
- Finish: Black
- Sights: A2 front / carry handle rear
- Safety: Manual
Features
- Semi-automatic action for quicker follow-up shots
- 19-inch barrel for improved maneuverability
- 3-inch chamber handles standard and magnum 12-gauge loads
- A2 front sight and carry handle rear sight
- Manual safety
The Radikal MK-3 is priced below most domestic semi-auto shotguns, which makes it attractive for buyers who want a semi-auto home defense option without the cost of premium alternatives.
Complete Specifications
| Caliber | 12 Gauge |
| Model | Radikal |
| Capacity | 5 rounds |
| Magazines included | 2 |
| Barrel length | 19" |
| Action | Semi Auto |
| Sights | A2 Front, Carry Handle Rear |
| Safety | Manual |
Frequently Asked Questions
What gauge is the Radikal MK-3?
The Radikal MK-3 is a 12-gauge shotgun.
Who makes the Radikal MK-3?
It is manufactured by Radikal Arms and imported by SDS Imports.
What type of firearm is the Radikal MK-3?
It is a semi-automatic shotgun.
What is the barrel length of the Radikal MK-3?
The Radikal MK-3 has a 19-inch barrel.
How many rounds does the Radikal MK-3 hold?
It has a 5+1 capacity.
What chamber size does the Radikal MK-3 have?
It has a 3-inch chamber, which handles standard and magnum 12-gauge loads.
Where can I buy the Radikal MK-3?
Compare current vendor offers on this page.
Customers Say
AI-generated insights derived from customer reviews and discussions on popular gun-enthusiast forums.
The Radikal MK-3 in 12 GA generates a split verdict that generally tracks with its price point.
On the positive side, the compact 19-inch barrel and semi-auto action are the main draws. Users find it easy to handle in close quarters, and the semi-auto capability appeals to those coming from pump guns who want faster follow-up shots. Recoil is described as manageable for a 12-gauge semi-auto. The price consistently comes up as a strength. Buyers see it as good value for an AR-style semi-auto shotgun.
The negatives are predictable for the category. Build quality concerns show up in some reviews, with a few users describing the finish as functional but not polished. Feeding issues and occasional jams get mentioned, particularly with certain loads, which points to some ammo sensitivity. Weight runs heavier than some buyers expect for a compact gun.
Opinions on aesthetics vary. The AR-influenced utilitarian look appeals to some, while others prefer traditional shotgun styling.
The overall pattern: buyers who go in knowing this is a budget semi-auto and run it with compatible ammunition tend to be satisfied. Those expecting reliability on par with Benelli or Beretta at this price point tend to be disappointed.
Where to Buy - 3 Offers Available
Price Range: $359.99 - $471.99
| Vendor | Price | Condition | Link |
|---|---|---|---|
| Buds Gun Shop | $359.99 | New | Buy Now |
| Guns Com | $469.95 | New | Buy Now |
| Grabagun Com | $471.99 | New | Buy Now |






















