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Forum Index > Rifles general discussion > I did not know that.....anyone else seen this?

I did not know that.....anyone else seen this?

05 Aug 2018
@ 08:47 am (GMT)

Paul Leverman

"Do your heavy bullet load testing at 200yds.
It's quite common for long bullets not to group well at 100yds and then to group really well at 200yds.
I have seen guns shoot 1.25" groups at 100yds and then 1/2" groups at 200yds, with the exact same ammo within the few minutes that it took to move the target to 200yds."

Replies

05 Aug 2018
@ 09:09 am (GMT)

Caleb Mayfield

Re: I did not know that.....anyone else seen this?
I could be wrong, but I believe the technical term for this phenomenon is "Bollocks". I have never observed this personally so I hope someone with more knowledge can elaborate. I believe Nathan delves into this in one of the books. I don't have my copies with me to reference at the moment.
05 Aug 2018
@ 09:44 am (GMT)

Andrew Murray

Re: I did not know that.....anyone else seen this?
Ah yes. This old caper. Bullets some how defy physics between 100 and 200 yards. Next you know we will have 'accuracy' loads for 100 yards, 200, 300 and so on. Just send me a monthly subscription fee and I'll tell you how.
05 Aug 2018
@ 10:46 am (GMT)

Chris Murphy

Re: I did not know that.....anyone else seen this?
This is straight out of the movie “Wanted” this theory suggests the bullets are bending. Think of it as a V the bottom of the V being the muzzle and half way up being 100 yard and let’s say 1” apart the top of the V is 200 yard and because bullets don’t bend if the are 1” apart at 100 they will be 2” apart at 200 simply
It is possibly more a fact that people are concentrating more for a 200 yard target cos any little movement looks twice as much at 200 as 100 so either more concentration comes a better group
05 Aug 2018
@ 04:13 pm (GMT)

Mike Davis

Re: I did not know that.....anyone else seen this?
oh yeah...it cause they "go to sleep" dont ya know???? these new fandangled slippery projectiles fired at super hyper velocity from a fast twist barrel are coming out with the y axis off centre from the x axis and they need a bit of time to settle down in flight and go true to where they need to go......the trick is to look at each round before you load it and tilt your rifle accordingly so the ones that have y axis at 3:00 you need to tilt rifle 90 degrees to right and yank trigger really hard so the spin comes out just right. if the y axis is at 6:00 you hold rifle upside down and use little toe of left foot to fire trigger for same effect..... they tell me unicorn hoof stew is really in fashion this year just make sure the pegasus herds dont find out or they will swoop down and sprinkle your home with little green apples.
06 Aug 2018
@ 03:14 am (GMT)

Paul Leverman

Re: I did not know that.....anyone else seen this?
This was an actual quote from a "Long Range" or "Sniper" forum. I should have bookmarked it, but I have very little patience for these people. The gentleman that made this remark, of course, justified it sixteen times from Sunday, with references to barrel harmonics, twist rates, bullet length, etc. There were all sorts of references and quotes, some from noted ballisticians from a major bullet manufacturer. But when you clicked on the supplied link, and read the reference, it had absolutely nothing to do with "bullets going to sleep".

Incredible.

06 Aug 2018
@ 03:20 am (GMT)

Christopher Butler

Re: I did not know that.....anyone else seen this?
Wouldn't that be an example of non-linear convergence?
06 Aug 2018
@ 04:34 am (GMT)

Anders Österberg

Re: I did not know that.....anyone else seen this?
http://forum.accurateshooter.com/threads/applied-ballistics-shoot-thru-target-challenge.3861880/
06 Aug 2018
@ 08:06 am (GMT)

Nathan Foster

Re: I did not know that.....anyone else seen this?
You nailed it Chris. Which also goes to show just how bad some of these so called long range experts are at shooting. This simply speaks of an undeveloped skill set. Or as Caleb said - bollocks.
07 Aug 2018
@ 03:00 am (GMT)

Paul Leverman

Re: I did not know that.....anyone else seen this?
Thanks for the link, Anders. That was an excellent article, well written in basic gun talk, not the mumbo-jumbo that opinionated "experts" hide behind. It pretty well says the same thing that Nathan has been saying all along, you can't change physics. Interesting that not one person has supplied a rifle that is up to the challenge presented. Another urban myth busted.
 

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