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  1. Aero Precision M4E1 Threaded 10.5" 5.56 Complete Upper Receiver w/ ATLAS S-ONE Handguard
    M4E1 Threaded 10.5" 5.56 Complete Upper Receiver w/ ATLAS S-ONE Handguard
    As low as $449.99 Regular Price $449.99
    Rating:
    92%
  2. M4E1 Threaded 10.5" 5.56 Complete Upper Receiver w/ ATLAS R-ONE Handguard
    M4E1 Threaded 10.5" 5.56 Complete Upper Receiver w/ ATLAS R-ONE Handguard
    As low as $449.99 Regular Price $449.99
  3. new
    M4E1-T Complete Upper, 10.5" 5.56 Government Barrel, 9" ATLAS S-ONE M-LOK HG, VG6 Delta, BCG, Ambi Charging Handle
    M4E1 Threaded Complete Upper, 10.5" 5.56 Government Barrel, 9" ATLAS S-ONE M-LOK HG, VG6 Delta, BCG, Ambi Charging Handle

5 Items

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