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William Dalencour

Instructor # 2709676 | Onyx Defense Training

Has Certified Instructors
  • onyxdefensetraining@gmail.com
  • (312) 358-6414

Chicago, IL, 60707

5.0

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See Reviews

My Biography

With over 15 years of experience with safety and security based corporations, Will brings compassion and knowledge to each course he teaches. His job history includes working for a Special Patrol Unit alongside Chicago Police Department, and various other armed positions. Will provides a thorough and patient approach in his education of firearms, and takes an individualized perspective to each student's experience.

Please feel free to reach out via email or phone, if desired dates for courses are not listed in our catalog.

5.0

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12 Reviews

What Students Are Saying

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    Class taken on Sat, Jan. 31, 2026
    |Taught by

    Instructors

    • William Dalencour

      Chicago, IL

      Rating star large5.0
    "Will has a way of explaining really complex things in a very easy to digest way... He did such a wonderful job! Definitely go to him for all the tools! "

    Submitted on Mon, Feb. 2, 2026 by Amanda C.

  • Rating star large
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    Class taken on Sat, Jan. 31, 2026
    |Taught by

    Instructors

    • William Dalencour

      Chicago, IL

      Rating star large5.0
    "Instructor (Will) was a super great guy who made sure you were involved and interacted in the whole class. He made the boring fun and informative. You really felt like he cared that you understood the laws and your rights pertaining to carrying concealed in Illinois. If any other classes in the future needed, I would go nowhere else. Thank you Will! "

    Submitted on Sun, Feb. 1, 2026 by sami a.

  • Rating star large
    Rating star large
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    Class taken on Sat, Nov. 1, 2025
    |Taught by

    Instructors

    • William Dalencour

      Chicago, IL

      Rating star large5.0

    Submitted on Fri, Nov. 7, 2025 by Yves C.

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1 Insurance has been purchased by the USCCA and is one of the benefits of membership in the USCCA. USCCA members are additional insureds under a policy issued to the USCCA by Universal Fire and Casualty Insurance Company, an insurance company with its principal place of business in Hudsonville, MI. Coverage and benefits are subject to the terms, conditions, and exclusions of the insurance policy. Information provided herein is for informational purposes and is not intended to be a representation of coverage that may exist in any particular situation. Contact Delta Defense’s Member Engagement Team at 800-674-9779 with any questions.