This is a Riley Defense AK known as the RAK102CA chambered in 7.62X39, model RAK47-P-CA.
This is a California-compliant" black polymer version of the American made classical Ak-47 rifle (7.62x39mm) and measures 35.25" in overall length.
Features:
Forged Trunion, bolt and carrier
Semi-automatic closed-bolt action
4150 Nitride Barrel