Design Details
The MP7 essentially operates like a scaled-down assault rifle, with the same action as Heckler & Koch's G36, a short stroke piston. The 4.6x30mm ammunition is virtually exclusive to the gun (save for the now cancelled Heckler & Koch UCP and a planned variant of the Brügger & Thomet MP9) and also offers low recoil. This ammunition is unique among submachine guns in that the bullet is made almost entirely of a hardened steel penetrator instead of softer copper or lead.
The weapon allows a conventional 20-round, 30-round, or 40-round box magazine to be fit within the pistol grip (the 20-round magazine being comparable in size to a 15-round 9mm magazine, while the 40-round magazine compares to a 30-round 9 mm magazine). The weapon features an ambidextrous fire selector, bolt catch lever and magazine release. It has an extendable stock and a folding front grip; it can be fired either one-handed or two-handed. It is compact and light, due to the use of polymers in its construction.
Read more about this topic: Heckler & Koch MP7
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