Jianshe Arsenal M12AR 12 Gauge Semi-Auto Shotgun, 18.5 inch Barrel, Adjustable Gas System, Detachable Box Magazines, Matte Black Receiver/Stock, Silver/Gray Barrel, with Original Box and Manual
The Jianshe Arsenal M12AR is a magazine-fed, gas-operated 12 gauge semi-auto with AR-style controls and a compact 18.5 inch barrel. It features an adjustable short-stroke gas system, rotating multi-lug bolt, and a full-length Picatinny top rail with flip-up sights. This example is in very good condition and includes two factory 5-round magazines, the original JTS factory box, and the M12AR owner's manual.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Specific Condition Notes: This firearm is in great shape. There are some minor scratches and blemishes present. The bore is clean and shiny.
What’s Included
- Two factory JTS 12 gauge polymer box magazines (5 rounds each)
- Original JTS factory cardboard box
- M12AR owner's manual
Built by Chongqing Jianshe Industry (Group) Co., Ltd. and marked by JTS, Katy, TX, the M12AR combines a proven short-stroke gas system with an adjustable gas setting to tune performance for 2-3/4 and 3 inch shells. The rotating multi-lug bolt locks up securely, supporting reliable cycling with a variety of loads.
Controls mirror familiar AR-style ergonomics, including a right-side charging handle and a selector marked S and F. The collapsible stock, AR-style polymer pistol grip, and 13.5 inch length of pull create a straightforward, modern handling package.
The shotgun uses a detachable box magazine system and ships with two 5-round polymer magazines for a 5+1 capacity. A free-float slotted handguard (M-LOK-style) and a full-length Picatinny top rail provide mounting space, while flip-up front and rear sights offer ready-to-use aiming options.
Finished with a matte black receiver and polymer furniture and a silver/gray natural-finish barrel, this M12AR carries clear factory markings including the JTS shield logo and importer information. Chambering accepts both 2-3/4 and 3 inch shells, and the 18.5 inch barrel keeps the platform maneuverable without sacrificing capability.