Empower Yourself

Defensive Firearms Training and Personal Safety

Join our expert-led courses designed for all experience levels in personal defense and responsible firearm use.

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Our Mission

Providing the most comprehensive and realistic training environment possible to ensure our students are prepared for a real world attack

Critical Defense Institute (CDI) is dedicated to enhancing community safety with accredited training in conceal carry and defensive firearm use, active shooter threat mitigation, tactical medicine and unarmed self defense for everyone, regardless of experience level.
CDI uses a blended curriculum consisting of classroom, live fire shooting, and reality based force on force training. CDI is a certified Simunition training facility offering a training experience to our civilian students usually restricted to only military and law enforcement agencies.

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Upcoming Courses

January 2026

Pistol Fundamentals 101

Jan 03 2026

From 08:00 am until 5pm

Stop the Bleed

Jan 07 2026

From 5:30 until 8:30

Defensive Pistol 101

Jan 10 2026

From 8am until 5pm

Pistol Fundamentals 102

Jan 11 2026

From 8am until 3pm

Defensive Pistol 102

Jan 17 2026

From 8:00 am until 5:30 pm

CDI AR-15 Armorer

Jan 18 2026

Defensive Pistol 103

Jan 24 2026

From 08:00 until 5:00 pm

CDI Tactical Rifle 101

Jan 25 2026

From 8am until 4pm

View Course Schedule

We are located inside the ZOO Health Club

Contact Us Anytime

Phone

(603) 413-0549

Email

rob@trainingatcdi.com

Address

270 Loudon Rd. Concord, NH 03301 (Inside the ZOO)

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Our Offerings

Explore Our Comprehensive Firearms, Self Defense and Tactical Medicine Courses

Firearms Training

Comprehensive courses for all skill levels.

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Self-Defense Training

Learn effective strategies to protect yourself.

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Tactical Medicine

Learn life saving skills.

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Take the First Step Towards Safety Today

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Why Choose Us

Discover Our Unique Commitment to Your Safety

Expert Instructors

Learn from certified professionals with extensive real-world experience in firearms training and personal defense techniques.

Comprehensive Curriculum

Our courses cover various topics, ensuring that all participants gain the knowledge and skills necessary for effective self-defense.

Student Empowerment

We focus on building confidence and competence in our students, equipping them for real-life situations and challenges.

Our Process

How We Provide Exceptional Training and Support

Step-01

Tailored Instruction

Our courses are designed for all skill levels, ensuring personalized instruction and support.

Step-02

Practical Training

We prioritize hands-on experience to build real-world skills and confidence in our students.

Step-03

Continuous Improvement

We continuously evaluate our curriculum and training methods to provide the best possible learning experience.

What They Say

Hear From Our Satisfied Students

The training I received at CDI changed my perspective on self-defense. The instructors were knowledgeable and supportive.

-John Davis

CDI offers a safe learning environment. I feel prepared and empowered after completing my course.

-Michael Smith

The hands-on training approach at CDI was exceptional. I highly recommend it to anyone interested in improving their skills.

-James Monroe

Thanks to CDI, I now feel confident in my ability to defend myself and my loved ones.

-Robert Brown

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