Origin
Russia
PP-9 "KLIN" (ПП-9 "Клин") is a variant of PP-91 KEDR that is modified to fire a more powerful cartridge. Design of the KEDR dates back to 1970s from Yevgeny Dragunov, the same man who designed the SVD sniper rifle, the PP-91 variant KLIN was produced from 1996 to 2002 but it's exact development dates are unknown. KLIN SMG fires from a close bolt, it's operating mechanism changed from straight blowback to delayed blowback after branching off the KEDR, featuring improved ballistics to handle the higher armor piercing performance 9x18mm PMM cartridge, the weight of the gate have been increased and helical grooves are now present in the chamber. Feeding on the 20-/30-round box magazine, KLIN is able to achieve up to 1060 rounds per minute of rate of fire, KLIN achieved a 430 m/s muzzle velocity, ~30% higher than KEDR.
Girls' Frontline
Girls' Frontline is a mobile strategy game developed by MICA Team, a Chinese company. It is a moe anthropomorphism game in which the player controls echelons of characters, each of which are based on actual guns. The game was released in Mainland China on 20 May 2016, and in Hong Kong and Taiwan on 18 January 2017. It was also released in South Korea on 30 June 2017. The English version published by SUNBORN Network Technology was released on May 8, 2018. This game is a prequel of another game developed by the same company called Bakery Girls.
