Upper Receiver Assembly
Showing 19–22 of 22 results
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UPPER GROUP, RESOLUTE, Mk4, 300BLK, 16.1
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UPPER GROUP, RESOLUTE, Mk4, 5.56X45MM NATO, 16.1
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UPPER GROUP, RESOLUTE, Mk4, 6.5 GRENDEL, 16.1
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Wraithworks Billet Slick Side AR-15 Upper Receiver – Black | No Forward Assist or Brass Deflector
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