The SRC Sport Series AK brings the high performance Full Metal SRC gearbox to an even more affordable platform. Made with a lightweight, high strength polymer receiver and metal parts where it counts. The SRC Sports AK is definitely one of the top choices at this price whether you're a beginner or an expert. SPECIFICATIONS - Gearbox: Ver. III Full Metal Reinforced Gearbox. - Marui Compatible and Fully Customizable - Fire Mode: Full Auto / Semi Auto - Muzzle Velocity: 340 FPS with 0.20g - Range: 60 metres - Hop-up: Adjustable - Inner Barrel: 455mm - Outer Barrel Thread: 14mm Negative - Length: 870mm - Weight: 2760g - Magazine: Metal Hi-Cap magazine included - BB: 6mm. BULLDOG or compatible high grade BB's recommended - High Quality Lightweight Polymer Receiver - Strong Polymer Fore Grip, Motor Grip, and Stock - Functional Charging Handle - Adjustable Rear Sight - Adjustable Hopup - Full Metal Reinforced Gearbox PACKAGE INCLUDES - AK47 Style Gun - High Cap Magazine - Battery UKARA code?