• Machined from aircraft grade aluminum alloy 6061-T6, with being black matte hardcoat anodized.
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• All four rails are of MIL-STD 1913 picatinny specification and all rails are Laser T-marked for easy accessory location.
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• Great for mounting your favorite tactical accessories such as flashlights, laser sights, bipods.
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• Ultra light alloys for the light and strong Quadrail system in the market.
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• Comes with standard weight barrels to fit mid length AR15/M16 Rifles.  
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• High quality Manufacture.
• Fits the full length of AR15, M16 rifles.
• Installs in minutes. Allen wrench is included.
• Aluminum barrel nut is included.
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# of Slots of4 inch

• 8 slots on the top rail
• 6 slots on the side rails/bottom rail.

• Dimensions 7 inches (length) x 2.5 inches x 2.5 inches (width). 
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# of Slots of 7 inch

• 14 slots on the top rail
• 12 slots on the side rails/bottom rail.

• Dimensions 7 inches (length) x 2.5 inches x 2.5 inches (width). 
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# of Slots of 10 inch

• 24 slots on the top rail
• 22 slots on the side rails/ bottom rail
• Dimensions: 10" (length) x 2.5" x 2.5" (width)    
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• # of Slots of 12 inch

• 29 slots on the top rail
• 27 slots on the side rails/ bottom rail
• Dimensions: 12" (length) x 2.5" x 2.5" (width) 
  

# of Slots of 15 inch

• 37 slots on the top rail
• 35 slots on the side rails/ bottom rail
• Dimensions: 15" (length) x 2.5" x 2.5" (width) 
  

Product maps:

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