The Vityaz-SN PP or more known as the Vityaz (“Knight”) PP-19-01 amongst airsoft players is being given an upgrade and according to a press release from Kalashnikov Concern, it has completed Russian state tests which is part of the Vityaz-MO R&D work and has passed them successfully.

It has also been recommended to give it the “9 mm Kalashnikov submachine gun PPK-20” in honour of Victor Kalashnikov, the son of Mikhail Kalashnikov who passed away in 2018, rather than sticking with the Vityaz designation.

Victor Kalashnikov led the design of the original Vityaz project that was developed from the PP-19 Bizon and is based on the AK-74 with lots of commonalities with the AK-74 with the exception that it is a 9×19mm Parabellum submachine gun. The Vityaz PP-19-01 was first designed in 2004 and production started in 2008 for use by Russian military and police forces.

There are ergonomic improvements in the PPK-20 as compared to the PP-19-01. Looking closely at the photo included in this article, the PPK-20 shares the same pistol grip as the AK-12, the new service rifle for the Russian Army. It has a polymer folding stock is also adjustable in length by around 6 positions. Just like the PP-19-01, the stock folds to the left, and at the base is an ambidextrous QD sling swivel socket. It will also come with a suppressor as standard.

Also included in the PPK-20 package are a one-point and two-point sling and a special bag for carrying magazines, accessories and cleaning agents.

Full press release below as released via TASS (machine translated):

State Tests of the New Kalashnikov Submachine Gun Completed in Russia

The company said that the ergonomics and equipment attached to it were improved in the submachine gun, and also a low-noise firing device was introduced into its composition

IZHEVSK, July 22. / TASS /. The Kalashnikov concern has completed state tests of the submachine gun developed as part of the Vityaz-MO development work (ROC), the company's press service told reporters on Wednesday.

"The interdepartmental commission recognized the product as suitable for mass production and recommended that it be named" 9 mm Kalashnikov submachine gun PPK-20 "to perpetuate the memory of Viktor Mikhailovich Kalashnikov," the press service said.

It is noted that the serially produced Vityaz-SN submachine gun was adopted as the base during the development work. At the development stage, the comments identified during the serial production of the product were taken into account, the design and composition of the product were also brought in line with the requirements of the tactical and technical task. In the Kalashnikov submachine gun, the ergonomics and equipment attached to it were improved, the reliability of the product was increased, and a low-noise firing device was introduced into its composition.

"The PPK-20 includes a belt with one-point and two-point fastening on the submachine gun. For carrying magazines, fastening devices, low-noise firing devices, an adapter, clips and a gun oiler, a bag made of material with a digital camouflage color has been added to companies.

The group of designer Viktor Kalashnikov has developed a family of submachine guns: "Bizon-2" (caliber 9x18), "Bizon-2-01" (9x19), "Bizon-2-03" (the prototype took part in state tests as part of the Baksanets "). In 2004, a group based on the Bizon-2-01 submachine gun developed the Vityaz-SN submachine gun equipped with a box magazine with a capacity of 30 rounds. In 2005, the submachine gun was adopted by the Ministry of Internal Affairs of the Russian Federation and is currently in service with special units of the Ministry of Internal Affairs, FSB and FSO.