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CAA-XM4SD Picatinny Aluminum Quad Rail - AR15/M4/M16

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Availability: In stock

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Designed to exceed the newest requirements of the US Army for improving zero retention/ repeatability.

  • Upper three rail section mount underneath the end cap and secured in place with a friction fit ledge and roll pins.
  • The receiver end secured with a barrel nut bracket that is atachedto the upper three rail section with four captive flathead screws.
  • The bottom rail is secure with friction fit ledge and with a retractable spring loaded piston.
  • Four full length rails - top rail creates one long monolithic rail with the existing flat top rail.
  • XM4S has two push button sling swivel mounting points at the front.
  • XM4SD has four push button sling mounting points at the front and back.
  • Slots around the rails provide maximum ventilation around the rails.
  • CNC machined from aviation grade aluminum to MIL-1913 standards with a hard anodized black oxide finish for durability and ease of maintenance.
  • Accepts grenade-launcher.

Additional Information

Brand CAA
Width 5.5
Height 6
Weight 300gm
Material Aluminum
Number Of Rails 4

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