KaiserUS “Blackbird” Aluminum Ejection Port Cover



Product Description

Package includes:

  • BlackBird Aluminium Eject Port Cover Black  (EPC)
  • Detent set screw  already assemble
  • Spring metal
  • Rod metal
  • Stop screw metal with Allen Key

Product Spec:

  • Weight .5oz Eject Port Cover Black (EPC) Only
  • weight .7oz assemble
  • Color  Black Anodize
  • Materials Aluminium 
  • X-7 Compatible Only


  • Constructed with Aluminium material weighing in at only .5oz
  •  Will never corrode rust
  • Will never deform or get bent out of shape.
  • Built-in adjustable detent set screw.
  • To adjust detent: use small flathead driver and depress the ball detent and adjust as necessary.
  • Modified version of the original mil-spec receivers to fit your X-7 Upper receiver ONLY

Additional information

Weight 2 lbs
Dimensions 10 x 5 x 5 in


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