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  1. Aero Precision M4E1 Threaded Complete Upper, 16" 5.56 Mid Pencil Length Barrel, ATLAS R-ONE 12" M-LOK HG - FDE Cerakote
    M4E1 Threaded 16" 5.56 Pencil Complete Upper Receiver w/ ATLAS R-ONE Handguard
  2. Aero Precision M4E1 Threaded Complete Upper, 16" 5.56 Mid-Length Barrel, ATLAS R-ONE 12" M-LOK HG - FDE Cerakote
    M4E1 Threaded 16" 5.56 Mid-Length Complete Upper Receiver w/ ATLAS R-ONE Handguard
    Rating:
    100%
  3. Aero Precision M4E1 Threaded Complete Upper, 16" .300 Blackout Barrel, ATLAS R-ONE 12" M-LOK HG - FDE Cerakote
    M4E1 Threaded 16" .300 Blackout Complete Upper Receiver w/ ATLAS R-ONE Handguard
  4. Aero Precision M4E1 Threaded Complete Upper, 16" .223 Wylde Fluted Barrel, ATLAS R-ONE 15" M-LOK HG - FDE Cerakote
    M4E1 Threaded 16" .223 Wylde Fluted Complete Upper Receiver w/ ATLAS R-ONE Handguard

4 Items

View as Grid List
per page
Filter by
Sorting Options
  • Position
  • Product Name
  • Price
  • Barrel Length
  • Series
  • With Forward Assist
Low to high