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ATK Hopup - JM M4A1

  • Product Code: ATK Hopup - JM M4A1
  • Availability: In Stock
Tags: atk, hopup, m4a1

The next generation of ATK Hopup. Nylon material instead of 3D printed ensure better product rigidity.

Increase blaster accuracy and range with ATK Hopup.

JM M4A1 Version : Made specially to fit JM M4A1.

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