ICS CS4 S.I.R Seal Stock (Lightweight)

ICS CS4 S.I.R Seal Stock (Lightweight)

The ICS CS4 S.I.R Seal Stock (Lightweight) is a premium tactical variant in the CS4 line, offering advanced modular features and performance enhancements. [oai_citation:9‡ICS Airsoft](https://www.icsbb.com/productdetail_tw.php?id=9543&model_id=9544&utm_source=chatgpt.com)

Features

• Split gearbox architecture for simplified maintenance and upgrades
• Bolt assist spring release function to safely relieve spring tension
• Large battery compartment design to support extended battery modules
• Lightweight stock configuration optimized for mid-range handling
• Patent protected: M480664 [oai_citation:10‡ICS Airsoft](https://www.icsbb.com/productdetail_tw.php?id=9543&model_id=9544&utm_source=chatgpt.com)

Specifications / Technical Details

• Model: ICS‑48 (CS4 S.I.R Seal Stock Lightweight) [oai_citation:11‡ICS Airsoft](https://www.icsbb.com/productdetail_tw.php?id=9543&model_id=9544&utm_source=chatgpt.com)
• Color: 1 color version available [oai_citation:12‡ICS Airsoft](https://www.icsbb.com/productdetail_tw.php?id=9543&model_id=9544&utm_source=chatgpt.com)
• Core Functions: split gearbox, bolt assist spring release, large battery housing, lightweight design [oai_citation:13‡ICS Airsoft](https://www.icsbb.com/productdetail_tw.php?id=9543&model_id=9544&utm_source=chatgpt.com)

Intended Users / Use Cases

Ideal for tactical simulation players, airsoft modders, advanced competitive users, and training teams needing energy capacity without sacrificing ergonomics.

FAQ / Common Questions

Q: What does “split gearbox” mean?
A: It refers to the design where the upper and lower gearbox sections can be separated for easier maintenance or part replacement.

Q: What is the bolt assist spring release function?
A: It allows safe release of internal spring tension when disassembling the bolt or gearbox, improving handling safety.

Q: What battery types fit the large battery housing?
A: Designed to accept long form lithium batteries (e.g. 7.4V LiPo) to fit tactical setups with extended runtime.

Q: Is this model suitable for beginners?
A: Because it’s feature-rich and performance-oriented, it’s more suitable for users with airsoft experience rather than novices.

About K.T.Tactical

K.T.Tactical is the authorized distributor for ICS CS4 S.I.R Seal Stock (Lightweight) in Taiwan, offering authenticity assurance, technical support, and upgrade accessory services. Contact us for purchase or bundling options.