CALIBER – 18.5x76mmR (12 gauge 3 inch) magnum or 18.5x70mmR (12 gauge 2 ¾ in) loads
OVERALL LENGTH – 88.6 cm (34.9 in) Stock collapsed, 100.1 cm (39.8 in) Stock extended
BARREL LENGTH – 47 cm (18.5 in)
RIFLING (TYPE & TWIST) – Smoothbore
CHOKE – Modified (standard) Interchangable screw-in chokes available
LOAD – 76mm (3 inch) Magnum 00 Buckshot
BULLET (PELLET) DIAMETER – 8.4 mm (0.33 in)
BULLET (PELLET) WEIGHT – 3.5 g (54 grains)
NUMBER OF PELLETS – 15
MUZZLE VELOCITY – 343 m/s (1124 fps)
MUZZLE ENERGY – 3090 j (2272 ft/lb)
MUZZLE ENERGY PER PELLET – 206 j (151 ft/lb)
WEIGHT (EMPTY) – 3.83 kg (8 lb 7.1 oz)
WEIGHT (LOADED) – 4.32 kg (9 lb 8.4 oz)
SIGHTS – Open, iron, adjustable, Front sight – Post, Rear sight, adjustable aperture
EFFECTIVE RANGE – 40 yds
OPERATION – Gas, ARGO (Auto-Regulating Gas Operated) system
TYPE OF FIRE – Semiautomatic
RATE OF FIRE – 24 rpm
FEED DEVICE – Six 76 mm (3 in) or seven 70 mm (2 ¾ in) round tubular underbarrel magazine plus one round in chamber – seven 76 mm (3 in), or eight 70 mm (2 ¾ in) rounds total
FEED DEVICE WEIGHT (LOADED) – 0.49 kg (1 lb 1.3 oz) Seven rounds 76 mm (3 in)
BASIC AMMUNITION LOAD – 20 rounds
LOAD WEIGHT – 1.4 kg (3 lb 1.4 oz)
MANUFACTURER – Benelli Armi S.P.A, Italy, represented by Heckler and Koch, Inc. Sterling VA
STATUS – In production
SERVICE – In service with all US military forces including the Coast Guard and Special Operations Command. In service with some law enforcement as well as the armed forces of Australia, Andorra, Belarus, Croatia, Georgia, Greece, Italy, Iraq, Ireland, Israel, Jordan, Libya, Lithuania, Malaysia, Malta, Portugal, Serbia, Slovakia, Slovenia, the United Kingdom (as the L128A1), and South Korea.
