06-132-937
NAME – Manville Shotgun
COMMON NAMES – Manville Gas Gun with 12 gauge adapters
TYPE – Repeating (Revolver) shotgun
COUNTRY OF ORIGIN – USA
DATE OF MANUFACTURE – 1937 (3rd Generation design)
CALIBER – 18.5×70 mmR (12 gauge 2 ¾ in) with 25 mm adapter
OVERALL LENGTH – 50.8 cm (20 in)
BARREL LENGTH – 24.1 cm (9.5 in)
EFFECTIVE BARREL LENGTH – 4.1 cm (1.63 in) 25 mm adapter only
RIFLING (TYPE & TWIST) – Smoothbore
CHOKE – Cylinder bore
LOAD – 00 Buckshot
BULLET (PELLET) WEIGHT – 3.5 g (54 grains)
NUMBER OF PELLETS – 9
MUZZLE VELOCITY – 93 m/s (306 fps)
MUZZLE ENERGY – 137 j (101 ft/lb)
MUZZLE ENERGY PER PELLET – 15 J (11 ft/lb)
WEIGHT (EMPTY) – 7.08 kg (15 lb 9.7 oz)
WEIGHT (LOADED) – 11.42 kg (25 lb 3.8 oz)
SIGHTS – Front bead only
EFFECTIVE RANGE – 23 m (25 yards)
OPERATION – Manual, spring-loaded revolver
TYPE OF FIRE – Semiautomatic
RATE OF FIRE – 18 rounds in 12-15 seconds
FEED DEVICE – 18 round cylinder
FEED DEVICE WEIGHT (EMPTY) – Steel 12 gauge adapter – 0.19 kg (8.5 oz)
FEED DEVICE WEIGHT (LOADED) – Single 25 mm adapter with 12 gauge round – 0.24 kg (8.5 oz),
18 adapters with rounds – 4.34 kg (9 lb 9 oz)
BASIC AMMUNITION LOAD – 18 rounds
LOAD WEIGHT – 4.25 kg (9 lb 5.9 oz)
MANUFACTURER – Manville Manufacturing Corp., Pontiac, Michigan
STATUS – Obsolete
SERVICE – Police agencies
