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Castellan Mk18 RAS 7.0'' Black

Looking to turn M4A1 into a MK18? With the Castellan MK18 7” Rail you are able to turn your M4 into a modular platform for attachments such as flashlights and foregrips.
Article number: CASTASR008BK
Availability: Out of stock

Castellan Mk18 RAS 7.0'' Black

The Castellan MK18 RAS handguard is built from a very sturdy CNC aluminum material making it very rigid yet also lightweight. The RAS system turns your plain-looking standard AR/M4 into a rugged airsoft warfighter; giving you the ability to attach many accessories to aid your gameplay. If you are looking to do a certain special forces impression for a Mil-Sim loadout, the MK18 RAS 7” is the most recognizable loadout to go with.


  • CNC Lightweight Aluminum
  • Standard Picatinny Rail
  • Fits Most M4 Models


Length: 7 inches
Weight: 340 g
Color: Black
Material: Aluminum

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