(805) 748-7176

John Marrs – CEO/Instructor

firearms-instructionJohn Marrs retired from the San Luis Obispo County Sheriff's Office (California) as a Sergeant  with over twenty five years of service. He served as a Watch Commander/Field Supervisor, and as a Supervisor at two different Patrol Sub-Stations.  Marrs was a firearms instructor for over 15 years. He served on the S.W.A.T. Team for 7 years and was responsible for the formation, training and supervision of the Sniper Team. Sgt. Marrs was the Sniper Team Leader when he left the team.

He has developed and implemented numerous firearms courses and developed policies and training for the Department. Additionally, Marrs has consulted with agencies across his region on the subject of firearms & tactics training. He was also one of the founders of his agencies Patrol Rifle Training and Competitive Marksmanship Programs.

Marrs spent 8 years as a firearms instructor the Allan Hancock Law Enforcement Academy and is a Graduate of the P.O.S.T. Master Instructor Development Program. He has also taught anti-terror training at the California Specialized Training Institute (CSTI) and teaches the International Association of Law Enforcement Firearms Instructors (IALEFI) Master Instructor Program and has been published in several mediums on the topic of firearms and tactics training.

Prior to and concurrent with his service as a law enforcement officer, Marrs had a career in the U.S. Military. He served 6 years in the U.S.Army and 15 years in the California Army National Guard. He retired as an Infantry Captain and served as the State Marksmanship Coordinator for California and Commander of the Small Arms Readiness Training Section. Prior to being commissioned, Marrs was held the rank of Staff Sergeant and had served in numerous positions such as Rifleman, M60 Machine gunner, Sniper, Fire Team Leader, Squad Leader, and Platoon Sergeant.


American Made Man
Adventure Weekend

Spend 3 action-filled days learning skills your father should have taught you.

September 16-18, 2016

Register before
June 17 and receive
a $50 Discount

* Registration fee $550

Join Us

Need a Weapon?

A limited amount of handguns are available to rent for courses. The cost is $50.00 per day. All rentals are for onsite use only.

Call 805.748.7176

for more information

Attention Teachers!

If you are a Primary or Secondary school teacher please call us to learn more about discounts on Handgun Courses.

Call 805.748.7176

for more information

Private Group Courses

If you would like to take an established course privately we will conduct the class if you can get together six or more students.

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Private Customized Training

We will also do customized private training to suit your needs for $ 200.00 per hour (4 hour minimum/ 4 student maximum).

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Upcoming Classes

There are no upcoming events.

From Our Clients

"This was by far the best three days of training I have been exposed to in ten years of law enforcement.  This class will not only help you survive, but to thrive during any critical incident.  Instructors Steve Odom and John Marrs are on point, great job guys."
-Caleb Kemp, San Luis Obispo Police Department Sergeant.


Tactical Handgun Course

This intensive 24-hour course is intended for the law enforcement officer/military member who carries a handgun on duty.

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Basic Handgun Course

Now Available! This is an 8-hour course designed for the new shooter. In this course you will learn firearms safety, nomenclature and gun handling.

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Contact Info

Spartan Training Resources
7343 El Camino Real # 247
Atascadero, California 93422

Tel: 805.748.7176
Contact Us

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