The Ares Octa Arms 5.5″ M-Lok Key Rail System delivers modular rail coverage exactly where you need it. This pack of two rail sections slots seamlessly into M-Lok compatible handguards, giving you flexible accessory mounting options without unnecessary weight.
Key Features
- M-Lok compatible – installs into any standard M-Lok slot
- 5.5″ length – compact rail sections for targeted accessory mounting
- Two-piece pack – double your configuration options
- Lightweight profile – minimal impact on weapon balance
- Ares Octa Arms quality – durable finish and reliable fitment
Real-World Use Cases
Perfect for skirmishers building precision rifle platforms, milsim players seeking modular flexibility, or anyone wanting to add rails to specific handguard zones without full-length coverage. Whether you’re mounting a light, laser, or vertical grip, these rail sections integrate seamlessly into your existing M-Lok setup.
Technical Specifications
- Brand: Ares Octa Arms
- Type: M-Lok key rail system
- Length: 5.5 inches per section
- Pack Quantity: 2 pieces
- Mount System: M-Lok
- SKU: 612420
UK Legal & Site Notes
This is an external rail accessory with no legal restrictions in the UK. Confirm M-Lok compatibility with your handguard before purchase. Most modern tactical handguards support this standard.
Upgrade your rifle’s modularity today. Order your Ares Octa Arms M-Lok key rail system from Airsoftdirect UK – in stock and ready to ship.










