Stuck on Quick Drop

Like long range lead said there is almost always a good gun/ bad gun factor.. if you post or send your ballistic profile we can help you with that. My .223 is a “bad” gun and has a correction factor of +.3..
So essentially range -2, +/- .3 (either 1.7 or 2.3) depending which side of bad your gun is on, for your .223? This holds true and is linear out to say 700 yards?
 
With faster cartridges I have found running a 200 yard zero and memorizing the holds for 300,400,500 is easier. Then use your QD for ranges 600-800 where the bullet has slowed down enough that its trajectory lines up for a QD solution.
 
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