Yankee Hill Machine AR-15 Dust Cover Assembly - Marked .300 Blackout

Manufactured by Yankee Hill Machine
SKU: YHM-111-300
MPN: YHM-111-300
Manufactured by Yankee Hill Machine
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Standard orders will ship out the same business day if ordered by 3:30 pm CST. FFL orders will ship within 5 business days or less as long as we have the information for the transfer destination.



If you run multiple upper receivers on a single lower, having a quick way to identify which uppers are chambered in which calibers is a handy thing to have. Yankee Hill Machine released a series of dust covers with the caliber laser engraved on them, so you can easily tell which is which. This dust cover assembly is marked .300 Blackout and comes with all the hardware to mount it to your AR-15 upper.

  • Marked .300 Blackout
  • For AR-15 uppers
  • Includes rod, retaining clip, and spring

Yankee Hill Machine stands by their products and meticulously inspect each product before they ship it out. Their quality assurance program adheres to strict military standards and use the most modern equipment. Not only are is the inspection equipment state of the art, but they manufacture their own tools to make sure that each part is machined precisely the way it needs to be. They have a highly skilled and diverse workforce that is committed to insure your satisfaction 100%. 
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BrandYankee Hill Machine
Engraving.300 Blackout

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