Adams Arms Mid Base FGAA00077 Complete Specs and Full Gun Specifications

* Chambered in 5.45x39mm * Mil-Spec Forged 7075-T6 Upper and Lower Receivers, Type III Class II Hard-coat anodized finish * 16" (1:7 twist) Melonited Barrel for longevity and extreme corrosion resistance against surplus ammo. * 3-position adjustable picatinny gas block. * Over powered hammer spring to break through hard primers * 30 round magazine * Lifrtime Warranty * Adams Arms mid length direct drive free floating short stroke piston system * Bolt, carrier, and other steel parts are melonited for extreme corrosion resistance