AK74, a successor of AK47, chambered to use lighter 545×39 round
The AK74 (“Kalashnikovs Automatic Rifle, model of 1974”) is a Soviet-designed assault rifle. The rifle is chambered for the 5.45×39mm cartridge, lighter and smaller than the 7.62×39mm used in the AK and AKM rifles. The AK101 is an export version of the AK74, chambered for 5.56x45mm NATO ammunition.
The AK74 has many attachments with various purposes, these parts may commonly be found in military installations and buildings.