The CMMG Ejection Port Cover Kit allows builders to when completing stripped uppers.  Additionally, this kit can be used to repair lost or damaged parts.

 
Includes
  • Ejection Port Cover made from cold-roll steel per ASTM-A684-12
  • 300-series stainless steel, not 4140, hinge pin/rod featuring a Nitride finish (will not bend)
  • Mil-Spec Cover Spring
  • Hinge Pin Snap Ring featuring a black oxide finish
More Information
ColorBlack
Thread PitchMultiple Thread Pitchs Available
  • Ejection Port Cover made from cold-roll steel per ASTM-A684-12
  • 300-series stainless steel, not 4140, hinge pin/rod featuring a Nitride finish (will not bend)
  • Mil-Spec Cover Spring
  • Hinge Pin Snap Ring featuring a black oxide finish
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