FN P90


   The FN P90 is an automatic submachine gun made in Belgium by FN Herstal. On 16 April 1989, NATO published document D / 296 with the requirement for a self-defense weapon to be put into service by the year 2000. The pistol cartridges that existed until then, also used on submachine guns, had been increasing their inefficiency in front of troops equipped with personal armor and bullet-proof vests, while assault rifles that could pierce the armor were too heavy and uncomfortable for use in enclosed spaces such as the interior of buildings. FN Herstal responded to this requirement by designing the Project 90 submachine gun and its anti-armor cartridge 5.7 x 28 SS190. The P90 sub-machine was put into service in 1994. It operates by mass recoil with automatic and semiautomatic firing modes. It is completely ambidextrous, with ambidextrous trigger selector, ergonomic handle and downward ejection of pods. The P90 is designed with a novel bullpup configuration, which features a transparent 50 cartridge cartridge mounted on the gun, parallel to the barrel (with the ammunition arranged perpendicular to the barrel). The circular ramp under the charger aligns each cartridge with the chamber, a design that makes the P90 a very compact and maneuverable weapon, while the translucent polymer charger facilitates rapid testing of available ammunition.

   The P90 is mainly made of polymer, including hammer and other related components. The use of polymers, as in the Steyr AUG assault rifle, make the P90 a very light weapon compared to those made of metal. The gun has very little recoil, allowing great accuracy in automatic fire. The recoil of the 5.7 x 28 cartridge is 1.95 kg / sec, approximately half of the 5.56 x 45 NATO of the M16 and most of the assault rifles. In addition, the moving parts of the gun are designed to cushion the recoil. The basic disassembly of gun maintenance can be carried out in less than 10 seconds without the use of tools, separating the weapon into four groups: gun and optical aim support system, set of moving parts, hammer assembly and trigger assembly . The two-stage trigger allows semi-automatic triggering when the selector is set to automatic mode. FN Herstal manufactures a protective bag of the magazine with a plastic dust cap that covers the opening of the cartridge storage compartment. Contrary to popular belief, the P90's charger is not prone to blockage.

   The 5.7 x 28 SS190 cartridge has a higher penetration capacity than cartridges with similar recoil, and can penetrate the standard armor of the troops of the late Warsaw Pact (a layer of titanium and several layers of kevlar) as specified in the NATO document. Its penetration capacity is lower than most assault rifle cartridges, but is better than existing gun cartridges, such as .45 ACP, .40 S & W or 9 x 19 Parabellum. It is considered capable of piercing helmets and bullet-proof vests up to a distance of 100 m, half that of assault rifle ammunition, but more than sufficient within the scope of normal use of the weapon. The FN has designed a variant of the ammunition in which the bullet, after crossing a hard target, destabilizes, turning and losing all drilling capacity. This feature is very useful in situations such as police assaults, especially with nearby civilians or hostages, because they avoid lost bullets capable of causing innocent victims after crossing walls, white bodies, etc. This feature, too, can achieve a higher lethality with the use of this ammunition, since the bullet will tend to turn on itself inside the objective (understanding as such a human body), which would multiply the damage inflicted. Its performance is similar to the 4.6 x 30 cartridge used by the Heckler & Koch MP7 subfusil. However, both cartridges are questioned. Some experts are skeptical about their detention power against targets without any armor. Without much experience in real combat, the effects of the P90 and its ammunition are still undetermined, reason why the SAS and the U.S. Navy SEAL prefer to continue using their traditional 9mm submachine guns.


FN P90



FN P90


   The FN P90 is an automatic submachine gun made in Belgium by FN Herstal. On 16 April 1989, NATO published document D / 296 with the requirement for a self-defense weapon to be put into service by the year 2000. The pistol cartridges that existed until then, also used on submachine guns, had been increasing their inefficiency in front of troops equipped with personal armor and bullet-proof vests, while assault rifles that could pierce the armor were too heavy and uncomfortable for use in enclosed spaces such as the interior of buildings. FN Herstal responded to this requirement by designing the Project 90 submachine gun and its anti-armor cartridge 5.7 x 28 SS190. The P90 sub-machine was put into service in 1994. It operates by mass recoil with automatic and semiautomatic firing modes. It is completely ambidextrous, with ambidextrous trigger selector, ergonomic handle and downward ejection of pods. The P90 is designed with a novel bullpup configuration, which features a transparent 50 cartridge cartridge mounted on the gun, parallel to the barrel (with the ammunition arranged perpendicular to the barrel). The circular ramp under the charger aligns each cartridge with the chamber, a design that makes the P90 a very compact and maneuverable weapon, while the translucent polymer charger facilitates rapid testing of available ammunition.

   The P90 is mainly made of polymer, including hammer and other related components. The use of polymers, as in the Steyr AUG assault rifle, make the P90 a very light weapon compared to those made of metal. The gun has very little recoil, allowing great accuracy in automatic fire. The recoil of the 5.7 x 28 cartridge is 1.95 kg / sec, approximately half of the 5.56 x 45 NATO of the M16 and most of the assault rifles. In addition, the moving parts of the gun are designed to cushion the recoil. The basic disassembly of gun maintenance can be carried out in less than 10 seconds without the use of tools, separating the weapon into four groups: gun and optical aim support system, set of moving parts, hammer assembly and trigger assembly . The two-stage trigger allows semi-automatic triggering when the selector is set to automatic mode. FN Herstal manufactures a protective bag of the magazine with a plastic dust cap that covers the opening of the cartridge storage compartment. Contrary to popular belief, the P90's charger is not prone to blockage.

   The 5.7 x 28 SS190 cartridge has a higher penetration capacity than cartridges with similar recoil, and can penetrate the standard armor of the troops of the late Warsaw Pact (a layer of titanium and several layers of kevlar) as specified in the NATO document. Its penetration capacity is lower than most assault rifle cartridges, but is better than existing gun cartridges, such as .45 ACP, .40 S & W or 9 x 19 Parabellum. It is considered capable of piercing helmets and bullet-proof vests up to a distance of 100 m, half that of assault rifle ammunition, but more than sufficient within the scope of normal use of the weapon. The FN has designed a variant of the ammunition in which the bullet, after crossing a hard target, destabilizes, turning and losing all drilling capacity. This feature is very useful in situations such as police assaults, especially with nearby civilians or hostages, because they avoid lost bullets capable of causing innocent victims after crossing walls, white bodies, etc. This feature, too, can achieve a higher lethality with the use of this ammunition, since the bullet will tend to turn on itself inside the objective (understanding as such a human body), which would multiply the damage inflicted. Its performance is similar to the 4.6 x 30 cartridge used by the Heckler & Koch MP7 subfusil. However, both cartridges are questioned. Some experts are skeptical about their detention power against targets without any armor. Without much experience in real combat, the effects of the P90 and its ammunition are still undetermined, reason why the SAS and the U.S. Navy SEAL prefer to continue using their traditional 9mm submachine guns.


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