EMEI EMS-121 / EM-12B shotgun (China)

EMEI EMS-121 shotgun, which is also sold in USA as EM-12B shotgun or JT-12, is produced in China by Chongqing Jianshe Industries. This semiautomatic shotgun is closely patterned after Russian Saiga-12 shotgun, and even can use some magazines compatible with Saiga-12. EM-12B shotgun visually differs from Saiga-12 by having longer receiver which extends further back, behind the pistol grip. It is also offered with aluminum alloy handguards with M-LOK interface and fixed plastic buttstock. EMEI EMS-121 shotguns are offered to other (non-US) markets in a variety of configurations, with fixed or folding stocks, various barrel lengths (16” or 18.5”), various accessories etc.


EM-12B shotgun
EM-12B shotgun, as offered in USA


EM-12B shotgun is gas operated, semi-automatic firearm with action based on the Kalashnikov AK system. It uses rotary bolt locking and gas system with 4-position manual gas regulator. Ammunition (with shells of up to 3″ in length) is fed from detachable box magazines, standard magazine capacity is 5 rounds. Gun features manual bolt hold-open device which can be engaged using button located next to the pistol grip. Top cover is hinged at the front and on some versions is equipped with Picatinny rails. Barrel can be equipped with muzzle brake / compensator or with interchangeable choke system. EMEI EMS-121 / EM-12B shotgun is equipped with rifle type iron sights. Rear sight is of AK-47 type, adjustable for range. Front sight is mounted on the gas block.


EMEI EMS-121 shotgun
EMEI EMS-121 shotgun, version with side-folding stock



EMEI EMS-121 shotgun
EMEI EMS-121 shotgun, version with telescoping stock


Specification Value
Full text name EMEI EMS-121 / EM-12B shotgun (China)
Caliber cartridge 12 Gauge
Action type semi-automatic
Trigger type sa
Overall length, mm 974
Length, folded, mm 754
Barrel length, mm 405
Weight empty, kg 4.5
Magazine capacity, rounds 5