CODE – 02-132-942

NAME – M1 Thompson

NAME (NATIVE) – Gun, Submachine, Thompson, Cal. .45, M1

COMMON NAMES – Thompson, Tommy gun

COUNTRY OF ORIGIN – USA

DATE OF MANUFACTURE – 24 March 1942

CALIBER – 11.43x23mm (.45 ACP)

OVERALL LENGTH – 80.5 cm (31.69 in)

BARREL LENGTH – 27 cm (10.63 in)

RIFLING (TYPE & TWIST) – 6 Groove, Right hand twist, one turn in 41 cm (16 in)

BULLET DIAMETER – 11.46 mm (0.451 in)

BULLET WEIGHT – 15 g (230 grain)

MUZZLE VELOCITY – 290 m/s (950 fps)

MUZZLE ENERGY – 625 j (451 ft/lbs)

WEIGHT (EMPTY) – 4.73 kg (10 lbs 7 oz)

WEIGHT (LOADED) – 5.33 kg (11 lbs 12 oz) loaded with 20 rd Type XX magazine

SIGHTS – Front blade, rear “L” shaped sight with central peep, Square notch on top of rear sight, later models had protective sheet metal shields on either side of rear sight, Aperture set at 91 m (100 yds), notch set at 229 m (250 yds)

EFFECTIVE RANGE – 183 m (200 yds)

OPERATION – Blowback, fires from open bolt

TYPE OF FIRE – Selective fire, Semi and Full automatic

RATE OF FIRE – 40 rpm (Semi), 80 rpm (Full)

CYCLIC ROF – 700 to 800 rpm

FEED DEVICE – 20 or 30 round box magazine, double-column, double feed

FEED DEVICE WEIGHT (EMPTY) – 20 rd 0.18 kg (6.4 oz), 30 rd 0.23 kg (8 oz)

FEED DEVICE WEIGHT (LOADED) – 20 rd 0.6 kg (1 lb 5.2 oz), 30 rd 0.86 kg (1 lb 14.3 oz)

BASIC AMMUNITION LOAD – 6 – 20 round magazines (120 rds)

LOAD WEIGHT – 3.6 kg (7 lbs 15.2 oz)

MANUFACTURER – Savage Arms Co., Utica, New York, Auto-Ordnance Corporation, New York, NY and Bridgeport, Connecticut

STATUS – Obsolete

SERVICE – US Military and Allied nations. May still be found in use around the world depending on availability of ammunition