Palmetto State Armory has taken the next step in the evolution of its line of AK firearms with the PSAK-47 GF4 Series. Made in America with a 100% Full Lifetime Warranty.The GF4 series will take the proven success of the GF3 and add an in-house made 16" Cold Hammer Forged Phosphate barrel which has been chrome lined and finished off with a 1:9.5" twist rate. Also, the GF4 features a new Enhanced Polished Trigger (EPT) fire control group which creates a very smooth and crisp break on the trigger pull. As with other PSA AK products, the GF4 comes with a forged carrier, forged bolt, and a forged front trunnion. The rifle is finished off with the very popular Magpul polymer handguard, Magpul Zhukov folding stock, and Magpul AK-47 polymer grip.Rifles must be shipped to a valid, current Federal Firearms Licensee (FFL). Please have the shipping address of your preferred FFL before placing your order. You will need the FFL information to complete the order. It is the purchaser's responsibility to be aware of the laws in their state regarding high capacity sporting rifles.Specifications:Caliber: 7.62x39mmModel: PSAK-47 GF4Barrel Length: 16"Thread Pitch: M14x1LHBarrel Twist Rate: 1:9.5"Barrel Material: PSA CHF Chrome Moly VanadiumBarrel Finish: PhosphateChrome Lined Barrel: YesFront Trunnion: 4340 AQ Hammer ForgedBolt: Hammer ForgedCarrier: Hammer ForgedFire Control Group: PSA AK-47 EPT Fire Control GroupHandguard Type: Magpul AK-47 Upper/Lower Handguard, GrayGrip: Magpul AK-47 Polymer Pistol Grip, GrayStock: Magpul Zhukov Folding Stock, GraySights: Standard 800 Yard Rear Sight Leaf & Fixed Front SightSide Scope Mount: YesMagazine: Includes (1) 30rd AK-47 Magazine; Where allowed by lawCleaning Rod: Not Included