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AR-15 A3 Flat Top Upper Solid Model

$9.99

This download includes a mil-spec "A3 Flat Top Upper" compatible with multi-calibers such as 5.56, .223, 9mm, and many more. Dimensioned to mil-spec standards and includes a picatinny rail on the top, dust cover, and forward assist hole. Available in Solidworks, Parasolid, and Step files for compatibility with most software and 3d printers.


  • Model: 556FlatTopUpper3D
  • 10000 Units in Stock

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This product was added to our catalog on Sunday 12 February, 2017.