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 Technical Specifications 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 molly steel bolt carrier Hinged top cover with Picatinny rail Bolt hold-open notch on the safety selector Krinkov style rear, post front sights Synthetic grip Quad Rail Night Brake SB Tactical SBA3 arm brace Angled foregrip