The AK-100 family is a series of Kalashnikov rifles, based upon the AK-74M, intended for export and sale on the domestic market. The family of rifles offers the AK-74M system, in multiple cartridges and lengths.
AK-100 series
The original AK-100 series rifles are categorized by all having black polymer handguards, folding polymer stocks, and use of AK-74M internal systems.
Even with those differences all of the rifles are made to similar specifications.
Both long rifles had a barrel length of 415 mm, and all the carbines had a barrel length of 314 mm.
Both long rifles weighted 3.6 kg, and all the carbines: 3.2 kg.
All the rifles had a selector for with: safe, semi auto, or full auto. Also, both long rifles also had a variant with 3 round burst called AK-10X-3 and a semi auto only variant called AK-10X-1
Rifles in the 100 series have been adopted by a variety of countries, notably: Iran, Pakistan, Saudi Arabia, and Indonesia. The AK-105 has also seen usage some domestic use, filling a niche role as a middle ground between the AK-74M and AKS-74U.
Related Development
Later Kalashnikov started offering AK-107 /.AK-108 / AK-109 rifles. They externally are similar in nature to the AK-100 series and are offered in the same calibers. However, they use a radically different gas system and incorporate the Balanced Automatics Recoil System.
AK-100M/200 series
The AK-100M/AK-200 rifle family was initially conceived around 2009 as an improved variant of the basic AK-100 series. Most improvements centered on ergonomic improvements and mounting systems for accessories. The development of the AK-100M/AK-200 family was stopped around 2011 but resumed around 2016. In 2017, Kalashnikov unveiled the modernised versions of the AK-100 family of rifles. The AK-200 series are somewhat heavier and less advanced compared to the AK-12 family, but also cheaper. As of 2018, the AK-200 series rifles are offered for export sales and for domestic law enforcement users in Russia. The AK-200 series are based on the AK-100 series and the AK-12. They can be chambered in 5.45×39mm, 5.56×45mm NATO and 7.62×39mm, and use a barrel and gas system assembly similar to that of the AK-74M/AK-100 rifle family. Improvements added from the AK-12 include Picatinny rails, a new pistol grip, a new adjustable buttstock and a new flash hider. They feed from 30-round magazines, and are compatible with drum magazines from the RPK and RPK-74. The models of the AK-200 series are: