CM623 M4

Cyma CM623 – Affordable and versatile AR‑15 style replica with mid‑length barrel for CQB and mid‑range engagements

Why you should have it:

• Cost‑efficient AR‑15 variant – ideal for beginners and value‑focused players.
• Mid‑length inner barrel – perfect for CQB, urban gameplay and medium‑range field combat.
• Lightweight and durable ABS polymer construction.
• Total length: 820 mm collapsed / 900 mm extended.
• Delivered in matte black finish with a metal hi‑cap magazine.
• Semi‑automatic and full‑automatic firing modes.
• Polymer M‑LOK handguard paired with an upper RIS rail for accessory mounting.
• 14 mm CCW threaded outer barrel – compatible with tracers, mock suppressors and muzzle brakes.
• Main metal components made from corrosion‑protected aluminium alloy.
• CNC‑machined aluminium outer barrel and additional small metal parts.
• Retractable polymer stock – ergonomic, compact and designed for internal battery storage.
• Metal V2 gearbox – reliable out‑of‑the‑box performance with strong upgrade potential.

As one of the oldest and most experienced airsoft manufacturers, Cyma has decades of expertise in producing durable and dependable electric and spring‑powered replicas.

The CM623 is an **affordable, yet highly capable AR‑15 style replica**, designed for players who want reliable performance without breaking the bank. Its mid‑length barrel makes it a versatile choice for indoor CQB scenarios as well as medium‑range encounters outdoors.

The reinforced ABS polymer body keeps the rifle lightweight while maintaining structural strength. All key metal parts — including the CNC‑machined outer barrel and several functional components — are made from corrosion‑resistant aluminium alloy.

The modern **polymer M‑LOK handguard**, combined with the **RIS top rail**, allows for easy installation of tactical accessories such as sights, flashlights, lasers or grips. The **14 mm CCW thread** ensures compatibility with the most common muzzle devices in airsoft.

The retractable stock is comfortable, easy to operate in tight environments, and features dedicated space for internal battery storage.

Internally, the CM623 is powered by a **reinforced metal V2 gearbox**, providing reliable performance and serving as an excellent foundation for future tuning, upgrades or custom builds.