These excellent MK18 Style rail systems are designed to fit with M4 AEGs and will fit most brands on the market such as G&P, CYMA, TM, JG, E&C, Specna Arms etc. These rails come in black and are available in 9" or 12", they have excellent markings. 

CNC Machined in Aluminium and with a strong black finish these rails will look and feel fantastic on your M4. Note these are budget rails, they do have some surface imperfections etc. but no more than would be expected after a good game day. 

Features:

• 9.5" 
• With or Without Markings 
• Aircraft Grade Aluminium
• CNC Machined
• For TM Compatible M4 AEGs
• Numbered Rails