Lightly used flat top upper receiver with forward assist, M4 feedramps. Either Anderson or Aero, I dont remember.
9310 MPI (5.56) Black Nitride bolt, cam pin, and pin. New, never used. I believe it is a RTB.
$50 for both shipped.
9310 MPI (5.56) Black Nitride bolt, cam pin, and pin. New, never used. I believe it is a RTB.
$50 for both shipped.
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