Radikal Arms MKX-3 12 Gauge Semi-Automatic Shotgun | 18.5" Barrel, Mobil-Choke, 10+1 Rounds
The Radikal Arms MKX-3 pairs AR-style ergonomics with 12 gauge firepower in a lightweight, feature-rich platform. Built on a 7075-T6 aluminum upper and polymer lower, this gas-operated shotgun offers a threaded, black-chrome-lined barrel, a fixed polymer stock, and detachable box magazines straight from the factory—making it a versatile choice for sport, defense, or range work.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Condition: Good – Clean, well-maintained, minor wear marks.
Specific Condition Notes: The exterior shows a few minor surface scratches and small blemishes from light handling. The bore is bright and shiny, reflecting proper care.
What’s Included
- Radikal Arms MKX-3 shotgun
- Two 10-round steel magazines
- Two 5-round steel magazines
The 18.5" 4140 steel barrel is black-chrome lined for easy cleaning and corrosion resistance, and it’s threaded for Mobil-choke tubes to tailor patterns to the load.
A free-float aluminum handguard with M-LOK-style slots and a full-length Picatinny rail allows quick attachment of lights, grips, or optics, while the fixed A2-style front sight gives a familiar sight picture out of the box.
Controls mirror the AR-15 manual of arms—including a right-side reciprocating charging handle with concentric rings for positive grip—so shooters accustomed to modern sporting rifles will feel at home.
The fixed polymer stock and textured grip with palm swell provide a 14.0" length of pull and maintain solid control during rapid strings.
Spiral-fluted bolt body, hard-coat anodized receiver, and SDS Knoxville, TN import marks round out a shotgun designed for reliability and ease of maintenance.