Brugger & Thomet MP9

   The Brugger & Thomet MP9 submachine gun is a further development of the Austrian Steyr TMP. In 2001 Steyr stopped production of the TMP and sold production licenses to the Swiss arms manufacturer because the lack of sales. Swiss arms designers made over 19 engineering changes to this weapon. Production of the MP9 commenced in 2004. Currently this submachine gun is in service with Switzerland, India and Portugal.

   The Brugger & Thomet MP9 is a recoil operated, selective fire weapon, which fires from closed bolt. This submachine gun is chambered for the standard 9 x 19 mm ammunition. It is worth mentioning that the Brugger & Thomet submachine gun is smaller than the HK MP5 or similar designs, however this SMG offers more controllable fire than automatic pistols. It falls in the same niche as the Mini Uzi and Ingram MAC-10. It's compact size and light weight make this weapon suitable for law enforcement teams and special units, however it looses to bigger SMGs in terms of range. This weapon has an effective range of about 50 - 100 meters.

   The B&T MP9 comes with integral front grip and thus is more controllable during fully automatic firing. This SMG can be fired single-handedly. Housing of this weapon is made from lightweight polymer.

   The MP9 has new trigger safety, as well as ambidextrous safety / fire mode selector button, located behind the trigger. The ambidextrous cocking handle is located at the rear of the receiver. It does not reciprocate when the weapon is fired.

   This SMG is fed from 15, 20, 25 or 30-round magazines. Magazine receiver is located inside the pistol grip.

   The main improvement of the MP9 over the Steyr TMP is a side-folding stock and integrated Picatinny-type accessory rail, which accepts a wide variety of sights and other accessories. This SMG also has adjustable iron sights. This submachine gun is compatible with silencers.

Variants

   Brugger & Thomet TP9, a semi-automatic civilian version. Sometimes it is referred as a pistol or carbine.