This is a Zastava AK known as the ZPAP92 chambered in 7.62X39, model ZP92762PAM.
The ZPAP92 is loaded with features that include a dimpled 1.5mm receiver" bulged trunnion" chrome lined cold hammer forged barrel" krink-style rear sight and bolt hold-open notch on the selector.
Features:
Chrome Lined Barrel
Bulged Trunnion
Bolt Hold-Open Notch on Selector