Centerline Tactical
HAVOC: Special Forces Self Defense System
47,000+ Students Trained
4.8/5 Rating
60-Day Money-Back Guarantee
Lifetime Access

What Happens When 220 Pounds Of Rage Pins You Against A Wall With Your Family Watching In Horror?

Adam Seegmiller, a special forces and close protection operator who spent 5 years in combat zones and survived hundreds of real street fights, boiled everything down to a system you can learn in a single weekend. No belt required. No gym required. Just the raw, field-tested techniques that kept him and the people he protected alive.

The Ugly Truth About What Happens In 15 Seconds

Street confrontation scene

Here's what nobody in the self-defense industry wants you to think about. The average violent attack is over in 15 seconds. Not the choreographed movie version. The real version. The one where a stranger closes the distance before you even process what's happening.

Your heart rate rockets past 145 BPM. Your vision collapses to a narrow tunnel. Your fingers go numb. You can't dial 911, let alone remember that six-step armbar transition from Tuesday's class.

And the cops? Average response time is 7 to 10 minutes. Your encounter will be a memory before they get the call.

The ATM Walk

The guy who blindsides you walking to your car at 9 PM. You never saw him. He picked you 30 seconds ago.

The Parking Lot

The road rage psycho who followed you into the lot. Your kids are in the back seat. He's already out of his truck.

The Restaurant

The drunk who won't stop staring at your wife. You try to de-escalate. He doesn't want to de-escalate.

2 AM

Glass breaks downstairs. Your family is asleep down the hall. You have seconds, not minutes.

So what are you going to do in those 15 seconds?

Why Everything You've Tried Falls Apart When It Matters

Martial Arts

Here's what Adam learned after 25 years of training and hundreds of real fights: the complex stuff doesn't work on the street. Not once. Not ever. High kicks on gravel in dress shoes. Wrist locks with hands that won't stop shaking. BJJ on concrete with broken glass... while his buddy kicks your head in from behind. Your instructor won't tell you this because he needs you paying monthly fees for the next three years. If the technique has more than three movements, it's not self-defense. It's choreography.

I was a brown belt in taekwondo. I tried a round kick in a real fight and ended up on my ass. Then I tried it again years later against tough guys in the army. Same result.

Firearms

The 21-foot rule exists for a reason. Trained police officers need 21 feet of distance just to draw and fire accurately before an attacker reaches them. Most attacks happen inside 5 feet. Your weekend CCW class didn't prepare you for what happens when someone grabs you at arm's length, your heart rate is through the roof, and your fine motor skills have completely collapsed. Adam watched trained soldiers in combat zones fumble their weapons under stress. Your concealed carry is not a self-defense plan. It's one piece of a plan with a massive gap in the middle.

I've seen it over and over with trained soldiers in combat. Don't be foolhardy and think that pistol is the be-all and end-all.

Hoping For The Best

You tell yourself it won't happen to you. The streets are getting more dangerous every single day. Crime is up. Violent attacks are up. You don't need the news to tell you that. Talk to your neighbors. But late at night, when that voice gets quiet enough to hear... you know you're not ready. And you know exactly how that would feel standing in front of your family, frozen, with nothing.

You can pretend otherwise until it's too late for you.

The Guy Who Spent 30 Years Finding Out What Actually Works

Adam Seegmiller in combat zone

When Adam was a young man, his girlfriend's ex cornered him outside a trailer on a gravel driveway. The guy was the local tough guy... lifted Jeep, reputation for beating everybody in town. Adam had years of taekwondo. Brown belt. Competed at state level.

None of it mattered. He was pinned against the stairs with no room to kick, standing on gravel where any technique with footwork meant falling on his face. His girlfriend called 911 because she knew he was about to get destroyed.

That fear never left him.

So he spent the next 25 years making sure it would never happen again. He worked the door at the roughest bar in town on purpose... a place called Kokomos, full of drug dealers and criminals. Two to three fights a night, Thursday through Saturday, for two years straight. Hundreds of real fights.

His first night, a woman's boyfriend was beating her with a closed fist in the bar. Adam stepped in. She smashed a beer bottle on his face and broke his tooth. The boyfriend ripped his shirt off and beat the shit out of him. His girlfriend asked how long he was going to keep doing this. He said, "Until my knees stop shaking."

He joined the military. Made it to a Tier 1 special operations unit where he ran the fight team. He was flown around the world and trained in what they call "black skills." He spent time at Blackwater where he met a legendary special forces fighter who had been shot multiple times with AKs and 9mms... his rule: If it's complex, you're not going to do it. He sparred with UFC champions including Michael Bisping. Spent 5 cumulative years in active combat zones. Did close protection work, often without a weapon.

Every step was the same filter: does it work when you're terrified, exhausted, and surprised? If not, it got cut.

What survived became HAVOC.

Built For The Moment Your Body Betrays You

Adrenaline-Proof By Design

Adrenaline-Proof By Design

Your body has a natural startle response. It squares up, hands come up, weight drops. Every other system tries to override that. HAVOC builds on it. Military testing proved it: officers trained in the Weaver stance abandoned it every time under real stress. Every single one squared up naturally. So HAVOC uses that platform as the foundation for every technique. Gross motor movements that work when fine motor skills are gone.

If you're trying to train your body to do something different than it's going to do under stress... it's not going to work.

Devastating Simplicity

Devastating Simplicity

Not 200 techniques. Not years of practice. A handful of core principles that work standing, seated, in a car, in a hallway, pinned against a wall, or in total darkness. Hick's Law proves it: the more options you give someone under stress, the slower they react. Your martial arts instructor teaches 12-step combinations because he needs content for class. Watch him when he actually spars... he uses two or three movements and he's out. HAVOC gives you five responses, not a hundred. And every one of them works in under 15 seconds.

I'd watch my instructor sparring. He wasn't doing any of that fancy stuff. Two, three movements and then he's out. So why were they teaching it? Because they need content for a class.

Battle-Tested In Real Violence

Battle-Tested In Real Violence

Not tested on a mat. Not tested in a tournament with rules. Tested in bars full of drug dealers. Tested in combat zones. Tested against trained operators who thought they were too tough for it. Every technique comes from real close protection work, real bar fights, and multiple combat deployments spanning 5 years. If it didn't work under genuine threat, it got cut. What's left is the system that kept people alive.

Inside HAVOC: 30 HD Video Lessons

Taught by Adam alongside Andrew MacDonald, 3rd Degree BJJ Black Belt who has medaled at the AGP Rome Grand Slam and IBJJF Asia Open, so you see every technique against a skilled, resisting opponent.

Course material preview

1) Omni-Awareness

Not situational awareness. Omni-awareness. Ever-present awareness. The right-to-left scanning technique your brain processes faster because it runs opposite to your reading direction. Standard in special operations. Plus the pre-attack indicators violent criminals display every single time... if you know what to look for.

2) Threat Identification

The pre-attack cues that violent criminals display every single time before they strike. Target glancing, closing distance, the verbal "interview" ("Got a light?" "What time is it?"), body positioning shifts, and hand movements. Adam breaks down exactly what to watch for so you see the storm before it breaks. Most victims say "it came out of nowhere." It didn't. They just didn't know what to look for.

3) The Predator's Playbook

How criminals actually select their victims, and the five things they look for before they ever approach you. This isn't paranoia. It's understanding how the other side thinks. Once you see the selection process, you'll never walk through a parking lot the same way again.

4) Ghost Stance

The deceptive pre-fight posture that makes you look like you're pleading for peace. Hands open. Body language screaming I don't want trouble. But you're coiled and ready to explode. Open hands can mean a lot of things. A fist means one thing only. Witnesses see a peaceful man. Your attacker sees a victim. He's wrong.

5) Spontaneous Reaction Defense

What happens when you DON'T see it coming. Your body flinches. That's not failure, that's your foundation. HAVOC turns your natural flinch response into the first move of an effective counter-attack.

6) Defensive Caging

Why traditional blocking gets you knocked out... and the one-move cage that protects your entire head from hooks, straights, and uppercuts simultaneously. Adam asked Andrew, with 30+ years of martial arts, how many times he's seen someone use a traditional block in a real fight. The answer: Never. Not once.

7) The Blitz

The devastating forward assault that hijacks your attacker's decision-making loop. Speed and aggression. If they can't think and they can't keep up with what's coming, they start making catastrophic mistakes.

8) Ocular Control

The technique from a classified 5-day course at a Tier 1 special operations unit. One hand. One anchor point under the jaw. Pressure on the eye that bypasses pain tolerance, drugs, alcohol, size, and sheer willpower.

9) The Ear Shot

The open-hand strike to the ear that disrupts equilibrium like flipping a switch. One cupped strike creates a pressure wave that staggers any attacker regardless of size.

10) The Crush and Twist

The escalation technique Adam almost didn't include because pain compliance fails against someone on fentanyl or other drugs. So he added the joint manipulation component that works even when they can't feel pain.

11) Standing Neck Cranks and Arm Locks

Control techniques that keep the fight standing, where you want it. Where the head goes, the body follows. Take someone down without going to the ground yourself.

12) The Operator Grab

From real close protection work. When someone needs to be controlled and please come with me isn't working. Feed shots, control movement, dominate the situation.

13) The Knee Destroyer

The ONLY kick in the entire system. Below the waist. Targeting the kneecap. Adam tried high kicks in real fights twice and ended up on his ass both times. This kick removes your attacker's ability to stand, chase, or fight.

14) Confined Space Combat

Pinned in a corner, one hand free, not enough room to strike. What do you do? That one hand is still enough. The system for hallways, cars, bathroom stalls, and the tight spaces where most real attacks actually happen.

47,000+
Students Trained Worldwide
Trusted By
Law Enforcement and Special Operations
60-Day
Money-Back Guarantee
Proven
Effective Regardless Of Size, Strength, or Age

Created by a Tier 1 special operations veteran. Refined with a 3rd Degree BJJ Black Belt. Proven in combat zones, bars, and streets around the world.

What Students Are Saying

Military & Law Enforcement

Just completed the course. Great product. I'm a retired CSM and spent 15 years with Tampa PD teaching defense tactics before going back on active duty to finish my 34-year career. Thanks for some great reminders and a nice refresh in these crazy times.

Mike

Disabled Veteran

Very impressed with the videos so far. As a disabled vet they could really come in handy. I could never go toe to toe with anyone in a long fight but if I can end it quick I could still be effective enough to do what needs to be done. This just might give me the edge if I'm ever in a situation where I need to protect my family or loved ones.

Roger H.

Martial Artist & Military Family

I'm a woman and I've studied martial arts for years before getting horribly unwell and having to give up. I grew up in the military, so my situational awareness was trained in by a soldier. I am very excited by your simple, effective, direct approach, and I'm especially pleased to see you cover psychology and the mental dimensions of interpersonal situational engagement.

Ms. A.G.

BJJ Practitioner

I am a BJJ student and love it. But it takes a good while to become proficient at BJJ. The simple, gross motor methods HAVOC teaches were easily learned and upped my confidence for real-life violence greatly in a short period of time. I highly recommend this program.

Joel L.

Self-Defense School Owner

As an emerging self-defense school, this was informative as to what special forces would deem as essential. I have been doing martial arts 16 years and it has given me a more focused direction for a quick self-defense class for my customers.

Alonzo F.

Sensei, 19 Years Training

HAVOC is a very worthwhile course. It prepares you for tackling bad stuff and really makes you think! As a martial artist of 19 years training I can highly recommend it!

Tim H.

HAVOC vs. Everything Else

FeatureHAVOCMartial ArtsFirearms / Concealed Carry
Time to effectiveDays2-5 yearsWeeks (CCW class)
Works under adrenaline
Battle-testedPartial (range only)
Created byTier 1 Spec Ops VeteranCivilianVaries
Ongoing cost$0 after purchase$100-200/mo$200+ ammo/training
Lifetime accessN/A
60-Day guarantee

Your Instructors

Adam Seegmiller

Adam Seegmiller

Creator of HAVOC, Tier 1 Special Operations Veteran

  • • 24 years military service, retired Sergeant Major
  • • Tier 1 special operations fight team
  • • Close protection operator in active combat zones (often unarmed)
  • • Hundreds of real fights as a bar doorman
  • • Trained alongside Navy SEALs, Delta Force, SAS, SASR
  • • Blackwater-certified close protection operator
  • • Sparred with UFC champions including Michael Bisping
  • • iPREP Performance Resilience Instructor, University of Toronto

"The genius is in the simplicity. If it's complex, it's not going to work."

Andrew MacDonald

Andrew MacDonald

HAVOC Co-Instructor, BJJ Expert

  • • 3rd Degree Black Belt in Brazilian Jiu-Jitsu
  • • 20+ years of training and competition
  • • Medaled at AGP Rome Grand Slam and IBJJF Asia Open
  • • Refined every HAVOC technique against skilled resistance

"Would you say the ground is where you want to go all the time? Absolutely not."

Everything You Get Today

Complete HAVOC System, 30 HD Video Lessons
$997
Complete HAVOC System, 30 HD Video Lessons

30 lessons built from Adam's 22 years in special operations and combat zones. This isn't martial arts... it's the violence survival system taught to operators. You'll learn: How to read a room in under 3 seconds using spec ops scanning techniques... The pre-attack indicators that predict violence BEFORE it happens, giving you seconds most people never get... Why your training fails when adrenaline hits 145 BPM and the gross motor techniques that actually work under stress... How to protect your family in any public space using positioning and awareness most people never think about... and the mindset framework Adam used to stay calm in firefights, adapted for any civilian. Real demonstrations, not theory. The same material that's kept operators alive.

BONUS: Anatomy of Violence... The 122-Page Field Manual
$97
BONUS: Anatomy of Violence... The 122-Page Field Manual

The complete written companion to HAVOC. 16 chapters that take you inside the mind of a predator so you never become his target. You'll learn: How criminals select their victims (the 5 signals you're broadcasting right now that scream "easy target")... The pre-attack threat cues that violent criminals display EVERY time before they strike, and how to spot them with seconds to spare... Why the "out of nowhere" attack is a myth, and the 7 specific body language tells that telegraph violence before the first punch is thrown... The right-to-left scanning technique used in special operations that your brain processes faster than normal observation... How your body's adrenaline response destroys fine motor skills at 145 BPM, and why that means 90% of what you learned in martial arts class is useless when it counts... The OODA Loop, developed by military strategist John Boyd, that lets you stay two steps ahead of any attacker... and how to take control of any environment in seconds using Adam's Four R's for mental focus under pressure. This isn't theory. It's the same material Adam taught to operators.

BONUS: Residential and Personal Security Handbook
$149
BONUS: Residential and Personal Security Handbook

Your home is not as safe as you think. This handbook covers everything from hardening your front door to creating layered security zones around your property. You'll discover: The three entry points burglars check first (and the $15 fix that stops 80% of break-ins)... How to set up a safe room with items you already own... The lighting, landscaping, and lock configurations that make criminals skip your house entirely... Travel security protocols used by close protection operators... and the vehicle security procedures Adam used overseas that work just as well in a grocery store parking lot.

BONUS: Building Mental Resilience... The Spec Ops Mindset Guide
$97
BONUS: Building Mental Resilience... The Spec Ops Mindset Guide

The biggest weapon in any fight is between your ears. This guide takes the mental conditioning techniques Adam learned in special operations and makes them accessible to civilians. Covers: How to control the freeze response so your body moves when your brain wants to lock up... The breathing technique that drops your heart rate 20 BPM in under 10 seconds (used by snipers and bomb techs)... Why visualization isn't just for athletes, and how operators use it to rehearse violence before it happens... How to stay calm when everyone around you is panicking... Post-violence recovery, because nobody talks about the psychological aftermath of surviving a real fight.

Lifetime Access Plus All Future Updates
$468/yr
Lifetime Access Plus All Future Updates

This isn't a subscription. Buy once, it's yours forever. Every lesson, every bonus, every update Adam adds down the road... included at no extra cost.

Total Value: $2,000+

$2,000+

$97

One-Time Payment. Lifetime Access.

No subscriptions. No recurring fees. No hidden charges. You pay once. You own it forever. Every lesson. Every bonus. Every future update.

"Adam's daily rate for private protection work is more than ten times what you'll pay for this entire program. He priced it this way on purpose: I want to get this system out to people. The ones buying this aren't criminals. They're people like you and me who just want to protect the ones we love."

Get Instant Access... $97

One-time payment. Lifetime access. No subscriptions.

Secure 256-bit SSL Encryption Visa, Mastercard, Amex, PayPal 60-Day Guarantee

60-Day Iron-Clad Money-Back Guarantee

Go through the entire program. Practice the techniques. Take a full 60 days. If HAVOC doesn't make you feel more confident, more capable, and more prepared than anything you've ever tried... email us and get every penny back. No questions. No hoops. No games.

"Adam puts it simply: I feel so confident about this program making you safer that I'll offer it to you with a no-questions-asked money-back guarantee. There's no risk to you for checking it out."

47,000+ students. We stand behind this completely. The risk is ours. The decision is yours.

Common Questions

This Is The Decision.

A year from now, you'll either be the same guy lying in bed wondering what you'd do if you heard glass break downstairs...

Or you'll be the guy who invested a weekend and $97 in the skills that protect everyone he loves. For the rest of his life.

Get Instant Access

One-time payment. Lifetime access. 60-day guarantee. Join 47,000+ students who made the decision.

© 2026 Centerline Tactical. All rights reserved.

Disclaimer: Results may vary. This course teaches self-defense skills for lawful self-defense situations. Centerline Tactical does not encourage or condone illegal violence.