06-132-968
NAME -China Lake SEAL Shotgun
NAME (NATIVE) – Ithaca Model 37 w/Magazine extension and Duckbill spreader muzzle attachment
COMMON NAMES – Duckbill Shotgun
TYPE – Slide-action Repeater
COUNTRY OF ORIGIN – USA
DATE OF MANUFACTURE – 1968
CALIBER – 18.5x70mmR (12 Ga 2 3/4 in)
OVERALL LENGTH – 105.9 cm (41.68 in)
101.6 cm (40 in)
BARREL LENGTH – 50.8 cm (20 in)
RIFLING (TYPE & TWIST) – Smoothbore
CHOKE – Special w/horizontal to vertical spread of 4:1
LOAD – – M257 #4 Hardened Buckshot
PELLET DIAMETER – 6.1 mm (0.24 in)
NUMBER OF PELLETS – 27
WEIGHT OF PELLET – 1.3 g (20 grains)
MUZZLE VELOCITY – 384 m/s (1260 fps)
MUZZLE ENERGY – 2580 j (1903 ft/lb)
MUZZLE ENERGY PER PELLET – 95 j (70 ft/lb)
WEIGHT (EMPTY) – 2.95 kg (6 lb 8 oz)
WEIGHT (LOADED) – 3.34 kg (7 lb 5.8 oz) with7 rounds in magazine + 1 in chamber
SIGHTS – None
EFFECTIVE RANGE – 27 m (30 yards)
OPERATION – Manual, Slide-action
TYPE OF FIRE – Repeating
RATE OF FIRE – 21 rpm
FEED DEVICE – 7 round underbarrel tubular magazine
FEED DEVICE WEIGHT (LOADED) – 0.39 kg (13.8 oz) 8 rounds
BASIC LOAD – Twenty rounds (2 boxes)
LOAD WEIGHT – 0.96 kg (2 lb 2 oz)
MANUFACTURER – Ithaca Gun Company, Ithaca, New York – Naval Weapons Center China Lake, Special Projects Division, China Lake, California
STATUS – Obsolescent
SERVICE – US Navy SEALs
SHOT SPREAD AT 27 m (30 yards) = 244 cm (96 in) horizontal spread, 61 cm (24 in) vertical spread
