The SKS is a semi-automatic carbine designed by Soviet small arms designer Sergei Gavrilovich Simonov in the 1940s.
A Russian variant SKS from the collections of the Swedish Army Museum
SKS with the magazine closed (top) and open. The magazine release is circled. The release gets pulled back to open the built-in magazine.
An SKS with a blade-type bayonet in its closed (folded back) and open positions.
A field-stripped SKS carbine (disassembled into major components for cleaning).
The AK-47, full name Avtomat Kalashnikova 1947, is officially known as the Avtomat Kalashnikova, it is an assault rifle chambered for the 7.62×39mm cartridge. Developed in the Soviet Union by Russian
SKS
…SKS lacked select-fire capability and its magazine was limited to ten rounds, it was rendered obsolete in the Eastern Bloc by the introduction of the AK-47 series of rifles in the 1950s. Nevertheless, SKS carbines continued to see service with the Soviet Border Troops and second-line and reserve army units…
Trial prototype weapon with slab-sided steel magazine
AKMS with a stamped Type 4B receiver (top) and an AK-47 with a milled Type 2A receiver
Wound Profiles of Russian small-arms ammunition compiled by Dr. Martin Fackler on behalf of the US military
The gas-operated mechanism of a Chinese Norinco Type 56