JTS M12ARB1 | 12 Gauge Semi-Auto | 18.7 in

The JTS M12ARB1 is an AR-style, semi-automatic 12 gauge shotgun built around an 18.70″ chrome-lined steel barrel and a 4-position adjustable gas system. It is configured to accept both 2.75″ and 3″ shells and is supplied with two 5-round magazines for magazine-fed operation. The receiver features a top Picatinny rail and the barrel is compatible with Rem choke tubes; the furniture is a black synthetic tactical stock with an AR-style configuration.

Product Specifications

• The shotgun is chambered for 12 Gauge.
• The action type is Semi-Auto.
• The barrel measures 18.70 inches and is chrome-lined.
• The barrel material/description is listed as 4140 Chrome Lined Steel.
• The maximum chamber size accepts 3″ shells.
• The listed magazine capacity is 5+1.
• The package includes two 5-round magazines.
• The gas system is a 4-position adjustable unit to tune for different loads.
• The receiver features a top Picatinny rail for optics and accessories.
• The shotgun accepts Rem-choke tubes and is listed as including a cylinder choke.
• The stock material is synthetic with a black finish.
• The stock style is listed as tactical.
• The overall length is 37.99 inches.
• The product is listed as Made in China.
• The UPC is 810058880079.

The M12ARB1 is aimed at shooters who prefer AR-style ergonomics with a magazine-fed 12 gauge for range-focused applications and magazine-drill training. Its adjustable gas system and chrome-lined barrel provide a practical, configurable platform for recreational shooting and skill development.