Submachine Gun-Steyr TMP

Steyr TMP is a modern compact SMG. It is blowback operated, locked breech design, with rotating barrel. This mean that after the shot bolt with barrel locked to it are moving backward for some 4 millimeters. Then, the barrel rotates clockwise slightly, and thus unlocks the bolt. Rotaton controls via small cam on the barrel that follows the spiral groove inside the receiver.

Spesification:
Weight: 2.88 lbs (1.3 kg) (empty)
Caliber: 9 mm
Barrel: 6 inch (15 cm)
Length: 11.19 inch (27.98 cm)
Action: Locked Rotating barrel.
Mode of Fire: Semi-Automatic / Full-Automatic
Rate of Fire: 800 to 900 rpm depending on ammo
Range: 250 ft (76.2 m)
Magazine: 15 / 30 round
Cost: $ 900 ?
Made in: Austria
Special: Polymer construction, lightweight. Very ergonomic and reliable Many accesoires available.

Both upper and lower receiver are made from polymer. TMP has no stock and could be fired only from off-hand position.

 

Safeties featured automatic off-battery safety, drop safety and the manual safety switch.
TMP is reported as a very controllable and comfortable to fire firearm.

 (Submachine Gun-http://world.guns.ru/smg/smg11-e.htm)