CM039U AK

CYMA CM039U Full Metal AEG – 450 FPS Tactical Power

The CM039U by CYMA is a powerful full-metal AEG replica built for performance and realism. Firing at an impressive 450 FPS straight out of the box, it’s ideal for experienced airsoft players looking for an aggressive DMR-style setup or long-range field performance.

Modern Tactical Design

This replica features a side-folding stock for compact transport and maneuverability, and a full RIS rail system that allows for mounting tactical accessories such as optics, foregrips, flashlights, or PEQ boxes. The metal receiver gives a premium feel, while select minor parts are made of durable ABS plastic to reduce weight without sacrificing strength.

Performance-Ready Internals

• V3 Gearbox with reinforced steel gears
• 7mm metal bearings for smooth cycling
• Directional piston head and stronger spring for high FPS
• Polycarbonate piston with metal teeth
• Adjustable Hop-Up system

Complete Airsoft Starter Kit

The CM039U comes with everything you need to get started, including:

• Hi-cap magazine (550 BBs)
• 8.4V mini block battery (free gift)
• Standard charger (free gift)
• Cleaning rod
• BB sample pack

Technical Specifications

• Muzzle Velocity: ~450 FPS (135 m/s)
• Energy: 1.9 Joules
• Gearbox: Version 3, full metal
• Inner Barrel Length: 455 mm
• Weight: 3670 g
• Length: 710 mm (folded) / 946 mm (extended)
• Firing Modes: Semi & Full-Auto
• Battery Connector: Small Tamiya

Note: This replica is best suited for outdoor gameplay. Always check local field FPS/Joule limits before use.

Browse more AEG replicas in our Electric Rifles Collection.