Aim, hold gun tight, hold breath, shoot.
Also probably some strong arms.
That's only a few fundamentals.
You're forgetting to squeeze the trigger, you're forgetting sight / picture, sight / alignment, you're forgetting follow through and target acquisition. Is your form correct? Feet shoulder width and on line? Neck and head erect? Rifle pointed down range and placed into the shoulder at a high point? What about your girly stand? Strong arms don't mean anything if your form isn't correct. Not to mention all of this has to be done within 5 seconds lifting the rifle from the stand or your going to start wobbling / losing required oxygen to brain.
harder than you think
