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. Cleaning Rod: Not Included - CALIBER 7.62x39mm - MAGAZINE (1) 30rd capacity - BARREL 16" CHF Chrome Moly Vanadium - MUZZLE M14x1LH, w/ AK-47 Brake - HANDGUARD Voodoo Upper and Lower - SIGHTS Front post w/ Rear 800yd Leaf - SIDE SCOPE MOUNT - TRIGGER Single Stage - STOCK Metal Triangle Folding -