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KDG MREX MLOK 4.9" SCAR Rail Extension - Black

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Product description

The Kinetic MREX™ Receiver extension provides the solution you’ve been searching for with your SCAR rifle platform. The MREX™ was designed to be a simple, durable, and lightweight. By utilizing a one piece design, the MREX™ maintains extreme durability. The MREX™ also allows for removal of the barrel with the extension still attached, allowing users to still change out there barrel assembly in just a few screws. The overall design puts modularity in the places you want it and need it and no where else; while reducing the profile of the factory SCAR platform.

  • Works on all 7.62 and 5.56 SCAR models Minus the 10.5″ SCAR 16 Models
  • Magpul MLOK™ Modular Design
  • ADDS ONLY 2.5oz to the weight of your SCAR!
  • Improved rifle balance and weight distribution
  • 4.9″ added modular rail space from front of SCAR receiver, for use with any SCAR L & H barrel configurations. certain Flash hiders and certain suppressors will not fit.
  • 2x Uncle Mikes QD Mounting Points
  • Installation still allows for quick change barrel.
  • Full kit includes 2 MAGPUL MLOK™ polymer accessory rails, installation torx wrenches, torx screws and vibratite


  • Material: 6061-T6 Aluminum
  • Finish: Non-Reflective Black Type III Hard-Coat Anodizing
  • Length: 11.75″
  • Length added: 4.9″ -Ideal for 13″ barreled SCAR-H.
  • Weight of full kit: 8.4oz
  • 100% Made in the USA
Additional information