JTS M12AR 12GA Semi-Auto Shotgun 18.7″ Barrel

The JTS M12AR is an AR-style, semi-automatic 12 gauge shotgun built for adaptable range and defensive use. It features an 18.7″ chrome-lined barrel threaded to accept Rem Choke tubes and a 4-position adjustable gas system to run a variety of loads. The rifle-style chassis includes a gray receiver with a top Picatinny rail, an aluminum M-LOK forend and a fixed AR-style synthetic stock. The package ships with removable front/rear sights and two 5-round box magazines for straightforward reload options.

Key Specifications

• The gauge is 12 Gauge.
• The barrel measures 18.7 inches and is chrome-lined.
• The chamber accepts up to 3 inches shells.
• The action type is Semi-Auto.
• It features a 4-position adjustable gas system for different loads.
• The forend is aluminum with M-LOK slots.
• Includes two 5-round box magazines.
• The receiver finish is gray and includes a top Picatinny rail.
• Sights are removable front and rear.
• The stock is black synthetic in a tactical style.

Compact for its class and configurable at the hardware level, the M12AR blends the familiarity of AR-style ergonomics with shotgun capability. Its adjustable gas system and Rem-choke compatibility make it practical for range work and defensive configurations where reliability and modularity matter. The included magazines and M-LOK-ready forend provide immediate options for accessory fitment and reload strategy.

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