Originally Posted by ReimuHakurei
It's not pressing clicking while the scoping animation is on. What it is is ze is just auto-aim, jump (fast), scope, fire. That's all it takes ze. It's pretty easy after you do it the first 1-20 times.
To clarify, you need sniper skill, or else the zoom takes a bit longer, hence it isn't 'instant'. This was something mentioned on another forum, so thought this point might be a bit more helpful. There's a reason it's mentioned mostly with AR duel.