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  1. M4E1 Threaded 11.5" 5.56 Barrel Complete Upper Receiver w/ ATLAS S-ONE Handguard
    M4E1 Threaded 11.5" 5.56 Barrel Complete Upper Receiver w/ ATLAS S-ONE Handguard
    As low as $454.99 Regular Price $454.99
    Rating:
    100%
  2. M4E1 Threaded 11.5" 5.56 Barrel Complete Upper Receiver w/ ATLAS R-ONE Handguard
    M4E1 Threaded 11.5" 5.56 Barrel Complete Upper Receiver w/ ATLAS R-ONE Handguard
    Rating:
    100%
  3. new
    M4E1 Threaded Complete Upper, 11.5" 5.56 Government Barrel, 9" ATLAS S-ONE M-LOK HG, VG6 Delta, BCG, Ambi Charging Handle
    M4E1 Threaded Complete Upper, 11.5" 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