MIL-SPEC BARREL EXTENSION, 5.56 M4, NITRIDE

  • Mil-Spec
  • M4 feed ramps
  • 86E20 aircraft-grade steel construction
  • Carburized & hardened per mil-spec
  • Nitrided
  • Made in USA

SKU: 7073-0001-1524-2441

Description

Description

Our barrel extensions are made from aircraft-grade 86E20, are precision machined, heat-treated, and ground to mil-spec. This version is nitride treated and has a deep black finish.

Features:

  • Mil-Spec
  • M4 feed ramps
  • 86E20 aircraft-grade steel construction
  • Carburized & hardened per mil-spec
  • Nitrided
  • Made in USA

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