read this if you haven’t already. It explains it since these guys won't.
I didn't want to go on a pointless monolog since the link to one example was posted.
I don’t understand why someone would change the load or barrel length to align with some system. Why not just keep your dope on your rifle? What am I missing here?
The whole point of QD is QUICK, EASY math when you dont have time to do all the things like pull out a phone or maybe even check a range card. range, math in your head as you reach for the dial, dial it, shoot.
If you have all day then QD isn't necessary but it still saves effort in a lot of cases.
It really shines in a time crunch but it's not less useful with more time.
Another major benefit is its universal. it works across platforms and calibers. If my partner and I are shooting the same QD gun, I know his drop data and he knows mine when calling corrections.
Or if I have to use his gun, I know his data just from him telling me his QD factor.
higher BC bullets can start slower and carry that efficiency out far enough to be effective further than most people can or should shoot.
If the bullet doesn't need to start at 3300 fps, you can down load the cartridge or use a shorter barrel to start with less velocity.
I choose short barrel so I can add a suppressor and not have to carry a 4 foot long rifle, did that for too long.
If FAST and high BC is your thing, QD isn't for you and that's fine.
We really need a high quality video detailing QD with maybe some shooting to illustrate how it's used and when it is most beneficial.
Q and anyone else that's curious, If you true your data, QD is no more an estimation than truing your data and making a drop card for the purpose of hitting a relatively large target, 10"-16" kill zone.
This is the data for the short 243 I'll be starting with and truing.
as you can see, from 400-700, range minus 2 is within .1 Mil of a whole number like 700yds -2 = 5Mil come up.
even at 300yds, .29 is still well within the intended target of 10" on the small side.
Yes, this is technically an "estimation", but .1 Mil is within the acceptable margin for error given the target size. A bad wind call is far more likely to cause a miss than a .1 Mil error inside 700 yds. and the dispersion of the rifle will still put you on either side of that.
If the discrepancy is linear, you can add a correction factor, say +.2 or -.2
The argument can be made for "precision" or bad data, error stacking etc, but it flat works. If it didn't, I wouldn't use it. Like anything, you have to understand the limitations.
It REALLY needs to be taught and done in person to fully grasp it. Typing it out and reading it are vastly different than having it explained, then demonstrated, then experienced first hand.
