Strike Industries

Strike Industries UDC Ultimate Dust Cover for .308 (FDE)

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SI-AR-UDC-E-03-308 FDE
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  • STRIKE INDUSTRIES Strike Industries UDC Ultimate Dust Cover for .308 FDE
  • STRIKE INDUSTRIES Strike Industries UDC Ultimate Dust Cover for .308 FDE



Strike Industries UDC Ultimate Dust Cover .308 (FDE)

The Strike Industries UDC is constructed of a high-density polymer making it more durable and functional than standard and traditional dust covers. The Ultimate Dust Cover features an adjustable detent set screw that allows the operator to increase or decrease opening power (use a small flathead screwdriver to adjust detent by depressing the ball detent; adjust as necessary to desired opening power).

New features of the Ultimate Dust Cover Enhanced Version include the added cut-out window on the rod for easy disassembly and that it has been made thinner than the original weighing in at only 0.4oz. Additionally, the "True Seal" lip has been slightly modified to provide an even better seal than before. 

Package includes:

  • FDE Dust Cover
  • Spring
  • Pin


  • Patent pending spring-loaded, internal detent rod for easy installation and take-down.
  • Constructed with lightweight durable polymer material
  • Will never corrode rust or fade
  • Will never deform or get bent out of shape
  • Comes in a variety of designs
  • Patent pending, True Seal internal lip that seals the port tighter than traditional dust cover designs.
  • Built-in adjustable detent set screw to compensate for wear on the receiver.


  • The SI UDC has been tested and fits on Mega Arms MATEN, DPMS Oracle, SIG 716, YHM, and SW perfectly. It is easily modified to fit other receivers with light sanding.
  • Not Compatible: The 308 UDC-E is not guaranteed to fit all receivers nor is it able to be modified to fit due to there being no standard for the AR10 platform. 

NOTE: for the AR-10 308:
To adjust detent: use small flathead driver and depress the ball detent and adjust as necessary.
We strongly recommended applying blue Loctite threadlocker to the ball-detent thread after being adjusted.

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