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Desert Tech MDRx 5.56 NATO/.223 Rem 16" 30rd FE Conversion Kit MDR-CK-B1630-FE


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The Desert Tech MDRx 16" 5.56 NATO/.223 Rem Forward Ejection Conversion Kit utilizes the newly designed gas block for enhanced reliability and the new Ratchet compensator. The conversion kit includes the bolt, barrel assembly (including barrel extension), forward chute panel, and magazine insert (if applicable). Desert Tech MDRx Forward Ejection (FE) Conversion Kits are only compatible with MDRx FE rifles and chassis.


  • Item ConditionNew
  • Caliber or Gauge:.223 Wylde
  • Barrel Length:16"
  • Rifle Barrel Twist:1:8"
  • Barrel Thread Pitch1/2x28
  • HandednessAmbidextrous
  • Product TypeConversion Kit
  • UPC813865025282
  • MPNMDR-CK-B1630-FE

Customer Reviews

Average Rating
July 14, 2020

Great price and fast delivery! Thank you Derrick and the europtics team! Now my MDRX is complete for now 300 blkout next ! Thanks again a customer for life

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