Kriss Vector SMG

The KRISS Vector series is a family of weapons based upon the parent submachine gun design developed by KRISS USA, formerly Transformational Defense Industries (TDI). They use an unconventional delayed blowback system combined with in-line design to reduce perceived recoil and muzzle climb.


History
In the spring of 2007, TDI announced the Kriss Super V submachine gun. It was an experimental weapon under advanced stages of development at that time. The name Kriss comes from an Indonesian sword or a large knife with flame-like blade.
The second generation prototype of the KRISS Vector called the K10 was announced at SHOT Show 2011. It is a slightly more compact version of the Vector that is based on the same Super V system. The main difference is the use of a telescopic stock that collapses into the upper receiver rather than the earlier folding stock. The charging handle operates downward instead of horizontally. The K10 was not displayed after SHOT Show 2013 and its status is unknown and likely have been cancelled.
KRISS announced the "Gen II" versions of the original Vector models in 2015. It features a redesigned pistol grip, safety selector, and compatibility with a new 9mm lower were announced. It appears to have replaced the K10 prototypes.

Design

The KRISS Vector uses the KRISS Super V Recoil Mitigation System, that is an articulated mechanism which allows the bolt and an inertia block to move downward into a recess behind the magazine well.[8] The theory is that at the end of this travel, the energy is transmitted downward rather than rearward, thus reducing the felt recoil. When fired, the barrel axis is in line with the shoulder as in the M16 rifle, but also in line with the shooter's hand. This is intended to reduce muzzle climb when combined with the off-axis bolt travel, though it also greatly raises the sight line in comparison to the bore axis. The initial prototype model by TDI achieved a rate of fire of 1,500 rounds per minute (RPM), though this was bought down to around 1,200 rounds per minute (RPM) on the production models.

In a similar manner to the AR-15 rifle, that is secured together with four push pins; the KRISS Vector is split into two major assemblies. Due to the weapon's unusual layout, the lower contains the action, charging handle, magazine well and barrel, while the upper contains the ejection port, rail system, pistol grip and fire control components, as well as the stock for configurations that have one. This modular design allows for toolless caliber conversions by swapping out only the lower. The Vector's safety is ambidextrous (as well as the fire mode selector on the auto trigger pack) while the ejection port, charging handle, bolt release catch and magazine release are not, and are only available in a right-handed configuration.

Calibers such as .22 LR, .40 S&W and 9×19mm Parabellum were mentioned when the gun was first released. The Gen II versions with multiple design changes including a new 9 mm variant were confirmed at SHOT Show 2015,[9] though the .22LR version has yet to materialize and likely have been cancelled. The original Vector was designed to accept standard Glock 21 pistol magazines; a special "MagEx 30" kit was available to convert a factory 13-round .45 ACP Glock magazine to an extended high-capacity version, though this is now marketed as a "25+" round kit.The newer 9×19mm Parabellum versions instead uses the standard Glock 17 magazines.

Variants
The KRISS Vector family have undergone two generations of modification. The Gen I version is the

baseline model of the Vector family. It was later replaced by the improved Gen II version which features a redesigned pistol grip and trigger, optional factory Cerakote coatings in olive drab or flat dark earth, in addition to the original flat black, and has the swing angle of the safety lever reduced from 120 to 45 degrees. It also eliminates the opening above the barrel for the original weapon's optional Surefire weapon light, since these are no longer manufactured.It is also capable of being converted into 9×19mm Parabellum by replacing the lower receiver.

The KRISS Vector submachine gun is only available for military and law enforcement use. It is chambered in either 9×19mm Parabellum or .45 ACP. It features a 5.5-inch barrel (with an option of a 6.5-inch barrel on the Gen II version), a folding stock, a flip-up Midwest Industries back-up iron sights (BUIS) (MagPul MBUS on Gen II weapons), a Picatinny rail for mounting various optics/scopes, and either two mode fire selector (single and full-auto) or a three mode fire selector (single, two-round burst and full-auto).

Semi-automatic versions are produced and available for the US civilian market. There are three main configurations, the Vector CRB, Vector SBR and Vector SDP. They can be chambered in either 9×19mm Parabellum, .45 ACP, .40 S&W (using Glock 22 magazines), 9×21mm, 10mm Auto (using Glock 20 magazines), or .357 SIG (using Glock 31 magazines).
 -The Vector CRB (carbine) is a semi-automatic carbine with a permanently affixed extension to the standard 5.5-inch barrel, extending it to 16-inch (410 mm), intended for states with short-barrel rifle bans. The standard model has a folding stock (fixed in states where state law prohibits).
 -The Vector SBR (short barrel rifle) is a semi-automatic short-barreled configuration featuring the same barrel as of the selective fire submachine gun.
 -The Vector SDP (special duty pistol) is a semi-automatic pistol configuration that has a permanently affixed cap with a sling mount in place of a folding stock. There is also a configuration of the Vector SDP fitted with an arm brace called the Vector SDP-SB.

The "Enhanced" versions of the Gen II CRB and SBR are also available with collapsing M4-style stock adaptors instead of the standard folding stock (with a Magpul UBR stock included) and a square barrel shroud for the CRB, though these accessories can also be purchased separately.

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MP5

Heckler & Koch MP5 is a family of handgun pistols manufactured by German weapons company Heckler & Koch from the 1960s.

HistoryMP5 was introduced by Heckler & Koch (HK) in 1966, under the name HK54. This name is based on the old naming method HK: "5" for the pistol mitraliur, and "4" means caliber 9 x 19 mm. His new name came into use when it was officially adopted by West Germany for police and border guards, Maschinenpistole 5 or MP5. GSG-9, a border guard anti-terrorist unit, then introduced the MP5 to another Western anti-terrorist unit. 
VariantsHeckler & Koch has done a lot of modification improvements on MP5; the internal and external components of this rifle have changed considerably from the initial model. The first MP5 model is available with a fixed butt (A2) or folding stock (A3), and a variety of trigger configurations.
The next major development is the MP5SD series ("SD" stands for Schalldämpfer, meaning "muffled noise"), introduced in 1974. This model has an integrated soundtrack and a special barrel that slows the bullet velocity to slightly below the speed of sound. The result is that the rifle is not heard within a distance of more than 15 meters.
MP5K ("K" stands for Kurz, meaning "short"), a length of only 325 mm, was introduced in 1976, at the request of a HK rifle salesman in South Africa, who saw his potential sales for a bodyguard. The rifle has a vertical front grip to help withstand kicks, a smaller shooter, even a special bag that can be used for shooting.
In a special contract with the United States Navy, Heckler & Koch developed the MP5N ("N" for Navy, "Navy") made for elite naval units. MP5N is a standard MP5 made with naval trigger configurations, folding stocks, special barrel that can be installed silencers, and components that are more rust resistant.
The latest MP5 variant is MP5F ("F" for French, "French"), developed in 1999 for the French military. MP5F has a new internal component to receive a stronger 9 mm bullet. External changes to the MP5F are a new butt with retaining rubber, a hole for the sash to the right of the butt, and two hooks for the sash at the front.

List of variants
-MP5A1 - MP5 with pop cover, Navy / "SEF" configuration.-MP5A2 - Fixed Popor, Navy configuration / "SEF".-MP5A3 - Folded folding, Navy configuration / "SEF".
-MP5A4 - Fixed Popor, 3-item burst configuration.-MP5A5 - Folded popor, 3-point burst configuration.-MP5SFA2 - SF means single fire, auto-removed feature, fixed butt.

-MP5SFA3 - MP5SF with folding stock.-MP5N - Navy, made for the US Navy. Navy configuration, barrel for dampening, folding stock.-MP5F - French, made for the French military. Rubber with rubber holder, rope-sling hook, strong    internal components.
-MP5K - Kurz, short MP5 version, configuration "SEF".-MP5KA1 - MP5K with reduced viewfinder, "SEF" configuration.
-MP5KA4 - MP5K with 3 item burst configuration.
-MP5KA5 - MP5KA1 with 3 item burst configuration.-MP5K-N - MP5K with Navy configuration and barrel for mounted silencer.-MP5K-PDW - Personal Defense Weapon, MP5K-N with special folding stock. Introduced in 1991.
-MP5SD1 - Schalldämpfer, integrated soundproofing, A1 poplight, Navy / "SEF" configuration.-MP5SD2 - Integrated soundproofer, fixed butt; configuration Navy / "SEF".

-MP5SD3 - Integrated soundproofing, folding stock; configuration Navy / "SEF".
-MP5SD4 - MP5SD1 with 3 item burst configuration.
-MP5SD5 - MP5SD2 with 3 burst burst configuration.
-MP5SD6 - MP5SD3 with 3 burst burst configuration.
-MP5SD-N - MP5SD with Navy configuration, silencer, folding stock.
-MP5 / 10 - Using 10 mm Auto bullet. Made from 1992 to 2000.
-MP5 / 40 - Using .40 S & W bullets. Made from 1992 to 2000.

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P90

FN P90 is a type of Weapon Personal Defense weapon, this weapon is made by the Belgian weapon company FN Hersral. The making is an FN response to NATO countries requests for the replacement of previous weapons using bulleted 9 x 19 mm Parabellum and unable to penetrate bulletproof vests. The use of this weapon is more defensive, usually used by rear military personnel such as artillery crews, supply personnel, manned crew like tanks, planes, and helicopters, VIP security operations.FN P90 has a bullpup design with new innovations from FN that is the position of magazen that is at the top of the gun and the use of bullets 5.7 x 28 mm. This weapon was developed sometime between 1986 and 1990. In late 1999 a variant of this weapon was introduced under the name P90 TR (Triple Rail), this variant is equipped with three rails for the placement of accessories. In 2005 a sports shooting version of this weapon was introduced under the name of the PS90, with a semi-automatic capability and a longer barrel than the P90.This weapon uses a blowback system, closed bolt, with polymer material in most parts, except in the mechanism system, this is done so that the weapon has a light weight with cheaper production costs.

Variants 

This weapon is made with several variants :P90

P90 
The basic variant of P90 with reflex sight MC-10-80

P90 TR
The P90 variant replaces the MC-10-80 with three picatinny rail lines for third-party optical installation and other accessories. Most preferred because it gives more options for users

P90USG

P90 LV/LIR

PSG90The civilian variant of the P90 with extended barrel and semi-automatic shot.

PS90 TR

PS90 USG

User
Although the initial design of this weapon is for self-defense, many of the elite forces in different countries use it like the Frog Troop (Kopaska) Command and the Special Forces (Kopassus) [14] of Indonesia.

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