
- This event has passed.
OPTICS 101 1/24/21
January 24 @ 11:00 am - 1:00 pm

OPTICS 101
Sunday,
January 24th, 2021
Time: 11am – 1pm (classroom)
Location: 7030 E. Broadway Tucson, AZ 85710
Phone: 520-886-8338
Course Fee:
$25.00
Note: Please bring your receipt, whether paper copy from in store, or electronic PayPal copy, with you to class.
Course Cancellation Policy Reminder:
- If a student notifies us at least 72 hours prior to the start of their course, the student may cancel for a full refund or reschedule to an alternate available course date with no rescheduling fee.
- If a student notifies us between 24 and 72 hours prior to the start of their course, no refund will be issued, but the student may reschedule to an alternate available course date by paying a $15 rescheduling fee.
- If a student notifies us less than 24 hours prior to the start of their course, or fails to attend their course, no refund will be issued, and the student may not reschedule to an alternate available course date without paying the full registration fee again.
Course Information
The pre-requisite for our long range rifle course, OPTICS 101 is a two hour classroom presentation covering different aspects of optics, and the correlation of optics, rifle caliber, and action type of the rifle. We cover far more than just the basics, with an introduction into DOPE cards, reticle patterns, mil v moa adjustments, and ballistics.
Students may attend with a rifle, or before making a purchase.
COST:
$25.00
PREREQUISITES:
None
NOTES:
Must be lawfully allowed to train with firearms.
What this course covers
- Parallax versus parallax free optics, first focal plane versus second focal plane magnification assemblies, reticle types
- Difference between MIL and MOA
- Hold-off techniques for wind-age and elevation
- Range estimation
- DOPE (Description of personal equipment/Description of previous engagements)
- Fundamentals of marksmanship
- Specific caliber selection, trajectory, bullet coefficient, and types of cartridges
- Body positions
- Cycle of function for specific long rifles
- Dry-fire drills for rifles
Required gear:
Chamber flag -Range-
Eye and ear protection
Note taking material for D.O.P.E. cards
Range appropriate clothing (closed toe shoes, regular neck cut t-shirt) -Range-
Water and snacks
Our Instructors

A US Army 82nd Airborne Reconnaissance Infantryman, and Operation Iraqi Freedom veteran (2008-2009), I also spend as much time as possible outside hunting and fishing. Having countless hours training with multiple weapon platforms from crew served weapons to pistols, and having trained military, law enforcement, and civilians. I organized Diamondback Training Center’s teaching methodology following Murphy’s law, and taking equal portions of military, law enforcement, and civilian training environments to give our students the best experience possible.
-NRA Certifications: Refuse to be A Victim Instructor, Range Safety Officer, Pistol Instructor, Rifle Instructor, Inside and Outside the Home Personal Protection Instructor
-Arizona Department of Public Safety, Unarmed and Armed Security Guard Instructor
-Arizona Game and Fish Hunter Education Volunteer Instructor
-Sabre Red OC Spray Instructor
-ASP Baton, Handcuffing, and Flashlight Tactics Instructor
-CPR Certified

A Former US Marine, Roan Grimm has dedicated his life to the study of the grim realities of violent close combat. With 35+ years of martial arts, the past 27 of which have been focused on the weapon intensive Filipino martial arts (arnis/eskrima/kali) and WWII era American combatives (scientific dirty fighting). With over 125 real contact stick fights with the world renown Dog Brothers, Grimm has tested the theories of actual fighting with impact weapons at a level few can approach.
Email: Roan.Grimm@grimmrealitiesacademy.com
-Guro (black belt equivalent) in Nitullama silat
-Guro in Dog Brothers Martial Arts
-Ma’a Guro in Sub3 American Kali
-Full Dog Brother – “Poi Dog”
-Creator of ADEPT personal security program