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John Downey

Instructor # 3648465 | Critical Home Defense Training and Consulting

Certified with the USCCA since 11/6/2024

Certification Renewal Date 11/6/2026

  • CHD1@criticalhomedefense.com
  • (443) 720-9656

Gambrills , MD, 21054

5.0

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See Reviews

USCCA Certifications

  • Concealed Carry & Home Defense
  • Countering the Mass Shooter
  • Children's Firearms & Safety Fundamentals

My Biography

John, a retired Army Special Forces disabled veteran with multiple combat deployments, transitioned to civilian federal service after 20 years of military service. He worked for nine years as a Security Specialist and Facility Security Manager for the federal government.

John started Critical Home Defense in 2024 to enable others to learn the skills necessary to protect themselves and their loved ones through the sharing of his extensive real-world experience as well as the necessary mindset that one needs to adopt in order to increase one’s defensive security posture. Learn More @ CRITICALHOMEDEFENSE.COM

Current Classes Available

  • Sun, Jun. 14, 2026 8:00 AM

    Maryland Wear and Carry Renewal

    with John Downey
    Rating star small5.0

    Gambrills, MD

    $125

    Sun, Jun. 21, 2026 8:00 AM

    Maryland Wear and Carry Renewal

    with John Downey
    Rating star small5.0

    Gambrills, MD

    $125

    Sun, Jun. 28, 2026 8:00 AM

    Maryland Wear and Carry Renewal

    with John Downey
    Rating star small5.0

    Gambrills, MD

    $125

    Sun, Jul. 12, 2026 8:00 AM

    Maryland Wear and Carry Renewal

    with John Downey
    Rating star small5.0

    Gambrills, MD

    $125

    Sun, Jul. 19, 2026 8:00 AM

    Maryland Wear and Carry Renewal

    with John Downey
    Rating star small5.0

    Gambrills, MD

    $125

    Sun, Jul. 26, 2026 8:00 AM

    Maryland Wear and Carry Renewal

    with John Downey
    Rating star small5.0

    Gambrills, MD

    $125

    Sun, Aug. 2, 2026 8:00 AM

    Maryland Wear and Carry Renewal

    with John Downey
    Rating star small5.0

    Gambrills, MD

    $125

    Sun, Aug. 9, 2026 8:00 AM

    Maryland Wear and Carry Renewal

    with John Downey
    Rating star small5.0

    Gambrills, MD

    $125

    Sun, Aug. 16, 2026 8:00 AM

    Maryland Wear and Carry Renewal

    with John Downey
    Rating star small5.0

    Gambrills, MD

    $125

    Sun, Aug. 23, 2026 8:00 AM

    Maryland Wear and Carry Renewal

    with John Downey
    Rating star small5.0

    Gambrills, MD

    $125

    Sun, Aug. 30, 2026 8:00 AM

    Maryland Wear and Carry Renewal

    with John Downey
    Rating star small5.0

    Gambrills, MD

    $125

  • Sat, Jun. 27, 2026 8:00 AM

    Maryland Wear and Carry Course-Sat-Sun (HQL Included)

    with John Downey
    Rating star small5.0

    Gambrills , MD

    $275

    Sat, Jul. 11, 2026 8:00 AM

    Maryland Wear and Carry Course-Sat-Sun (HQL Included)

    with John Downey
    Rating star small5.0

    Gambrills , MD

    $275

    Sat, Jul. 18, 2026 8:00 AM

    Maryland Wear and Carry Course-Sat-Sun (HQL Included)

    with John Downey
    Rating star small5.0

    Gambrills , MD

    $275

    Sat, Jul. 25, 2026 8:00 AM

    Maryland Wear and Carry Course-Sat-Sun (HQL Included)

    with John Downey
    Rating star small5.0

    Gambrills , MD

    $275

    Sat, Aug. 1, 2026 8:00 AM

    Maryland Wear and Carry Course-Sat-Sun (HQL Included)

    with John Downey
    Rating star small5.0

    Gambrills , MD

    $275

    Sat, Aug. 8, 2026 8:00 AM

    Maryland Wear and Carry Course-Sat-Sun (HQL Included)

    with John Downey
    Rating star small5.0

    Gambrills , MD

    $275

    Sat, Aug. 15, 2026 8:00 AM

    Maryland Wear and Carry Course-Sat-Sun (HQL Included)

    with John Downey
    Rating star small5.0

    Gambrills , MD

    $275

    Sat, Aug. 22, 2026 11:00 AM

    Maryland Wear and Carry Course-Sat-Sun (HQL Included)

    with John Downey
    Rating star small5.0

    Gambrills , MD

    $275

    Sat, Aug. 29, 2026 8:00 AM

    Maryland Wear and Carry Course-Sat-Sun (HQL Included)

    with John Downey
    Rating star small5.0

    Gambrills , MD

    $275

  • Mon, Jun. 15, 2026 9:30 AM

    HQL Maryland Handgun Qualification Course (HQL)

    with John Downey
    Rating star small5.0

    Gambrills, MD

    $100

    Mon, Jun. 22, 2026 9:30 AM

    HQL Maryland Handgun Qualification Course (HQL)

    with John Downey
    Rating star small5.0

    Gambrills, MD

    $100

    Mon, Jun. 29, 2026 9:30 AM

    HQL Maryland Handgun Qualification Course (HQL)

    with John Downey
    Rating star small5.0

    Gambrills, MD

    $100

5.0

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55 Reviews

What Students Are Saying

  • Rating star large
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    Class taken on Sat, May. 23, 2026
    |Taught by

    Instructors

    • John Downey

      Gambrills , MD

      Rating star large5.0
    "Very professional and knowledgeable. Highly recommended. "

    Submitted on Tues, May. 26, 2026 by KENNETH G.

  • Rating star large
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    Class taken on Sun, Apr. 12, 2026
    |Taught by

    Instructors

    • John Downey

      Gambrills , MD

      Rating star large5.0

    Submitted on Fri, May. 22, 2026 by Allen Paul J.

  • Rating star large
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    Class taken on Sat, Apr. 11, 2026
    |Taught by

    Instructors

    • John Downey

      Gambrills , MD

      Rating star large5.0

    Submitted on Fri, May. 22, 2026 by .

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