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