The C4 rail system is a lightweight, rugged, 2 piece free float rail that when installed gives the uppers a continuous top rail. The Midlength cutout version allows for a longer bottom / side rails while maintaining a front sight base for a mid length gas system

Feautres:

• Continuous top rail
• Anti-Rotational Tabs
• Integrated QD Attachment sockets - Limited Movement
• 2 Piece Design for easy maintenance
• Length: Top 9 1/4in Sides 11 1/2in Bottom 10 5/8in
• Extremely light weight: 12.4oz

Please NOTE:

• Barrel Nut Sold Separately
• *Adams Arms Piston Compatible(Lite & Pinned model)*