This is a Zastava AK known as the ZPAP85 chambered in 223 Remington, model ZP85556.
The ZPAP85 is loaded with features that include ; chrome lined barrel" bulged trunnion"1.5mm receiver hinged top cover" krink style rear sight" dual aperture front sight" bolt hold open notch on the selector" dimpled receiver
Features:
chrome lined barrel
bulged trunnion
1.5 mm receiver
5.56x45mm caliber
Semi automatic action
30 +1 round capacity
10 cold hammer forged barrel;Stamped steel receiver;Corrosion resistant hard nickel moly steel bolt carrier;Hinged top cover;Bolt hold-open notch on the safety selector;Krinkov style rear, post front sights;Synthetic grip;Wood handguard;19.3 overall length
Weight is 6.6 lbs.