Here is the description for that video off youtube.
" 1. Internal Ballistics – and all the possible factors that cause variations in either MV or in Point of Aim as the bullet begins its motion and how to correct for them.
• We will discuss the nature of propellants and how they affect projectile movement / pressures
• We will discuss different factors that can affect the MV of a projectile
o Variations in ammunition / reloading tips / non-uniformities – propellant moisture, primer seating, bullet seating, case dimensions, powder weight, orientation of grains in a case, projectile weight/profile, etc…
o Tolerances in different weapons
o How bore wear affects muzzle velocity
o Propellant Temperatures
o Projectile and Bore Temperatures
o Powder Fowling
o Bore conditioning and barrel memory
• We will talk about how other factors can cause the axis of the bore at the breech to differ slightly from the axis of the bore at the muzzle
o Muzzle Jump variations due to inconsistent rifle deployment – bipods vs sandbags, deployment and marksmanship techniques
o Whip action - harmonics
o Deflections due to muzzle break pull-off.
o Other tips
Intermediate ballistics – we will mention how suppressors effect the transition of the projectile from internal progression to external flight
External Ballistics – is the science of all the factors that affect the flight path of the projectile after its exits the muzzle.
• We will discuss everything you will need to know: how changes in ambient air temperature, humidity and barometric pressure affect the bullet. We will talk about wind, how to set up Microsoft excel to make corrections for coreolis effect, how and why spin drift occurs and much much more.
Terminal Ballistics – is the study of what happens once the projectile arrives at its destination.
After this we will show you how to get through the nightmare of all these constantly changing and varying complexities with TiborasaurusRex’s improved system of field expedient ballistic tables. "