Thread: Grouping

I nearly always zero and load test at 200. Some projectiles in certain loads will settle/shoot at 200 and beyond.

I don't think I have ever missed an animal in the bush due to an inch or so in elevation either.😆

Originally Posted by R93

I nearly always zero and load test at 200. Some projectiles in certain loads will settle/shoot at 200 and beyond.

I don't think I have ever missed an animal in the bush due to an inch or so in elevation either.��

I have heard this before...

Eliminating all shooter and rifle error, theoretically how can a bullet shoot more accurately at range?? If you are shooting 4" groups at 100 then they will be 20" at 500.... Can someone describe the "science" behind a bullet shooting better at range?

Originally Posted by PerazziSC3

I have heard this before...

Eliminating all shooter and rifle error, theoretically how can a bullet shoot more accurately at range?? If you are shooting 4" groups at 100 then they will be 20" at 500.... Can someone describe the "science" behind a bullet shooting better at range?

Can't really describe the science accurately but I experience this with the 150 LRAB's out of my 270wsm. They shoot consistently to about 1moa at 100m but have done .5moa at 1000m. I would have done more load development if I had only tried them at 100m but shot them at 1000m the same day to see what they would do...I decided I'd stick with that load after that!

Also once tried a plastic and alloy air rifle pellet from an air rifle (pneumatic with no recoil and I could watch the pellets all the way to the target), it had a bright green plastic rear end to it and I watched it spiral through the air as it was sent down range. The spirals became smaller further out until it seemed to come right and fly true past about 20 meters.
I have since made the assumption that some bullets shot at the lower edge of the stability window may start off with a bit of a wobble, but that this is somehow corrected as they get further down range.




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Originally Posted by PerazziSC3

I have heard this before...

Eliminating all shooter and rifle error, theoretically how can a bullet shoot more accurately at range?? If you are shooting 4" groups at 100 then they will be 20" at 500.... Can someone describe the "science" behind a bullet shooting better at range?

I reckon it's a parallax error thing up close. If you botch it up close at 100m it seems to throw me off worse than if I have error at say 500m. The closer your scope is to the infinity setting on the focus wheel the less a shitty eye position can effect your groups. I don't reckon it's got anything to do with ammo or the rifle. That makes no sense to me