ZCI Special Force Crane Stock M4/M16 – Black

The ZCI Special Force Crane Stock is a purpose-built replacement stock for M4 and M16 platform AEGs, designed to accommodate larger battery packs while maintaining a compact, professional military aesthetic.

Key Features

• 6-position retractable design – dial in your ideal length of pull for comfort and control
• Aluminium construction – lightweight yet rigid, suitable for skirmish and milsim play
• Crane battery storage – internal compartment accepts large crane-type battery packs
• Full stock tube included – ready to install with minimal modification
• Special Forces profile – authentic military aesthetic for tactical loadouts

Real-World Use Cases

Ideal for M4 carbine builds running higher-capacity LiPo batteries, this crane stock suits woodland skirmishers, CQB players upgrading from fixed stocks, and milsim operators who value both functionality and authenticity. The 6-position adjustment ensures comfort across different play styles and player frames.

Technical Specifications

• Brand: ZCI
• Colour: Black
• Material: Aluminium (retractable mechanism)
• Battery Storage: Crane-type compatible
• Adjustment Positions: 6
• Compatibility: M4/M16 AEG platforms
• Includes: Stock tube

Compatibility & Upgrades

This stock is compatible with standard M4/M16 receiver extensions and accepts the majority of aftermarket gearbox shells. If upgrading a fixed-stock build, confirm your receiver extension diameter. Pairs well with external rail systems and hop-up upgrades.

UK Legal & Site Notes

As a stock component, this item carries no legal restrictions. Many UK airsoft sites welcome the realistic profile; verify your site’s uniform policy if running a milsim kit. Storage capacity reduces need for mid-game battery swaps on extended skirmishes.

Upgrade your M4/M16 build with reliable battery storage and tactical ergonomics. Order the ZCI Special Force Crane Stock from Airsoftdirect UK today.