i've heard someone say some longer bullets take a while to "go to sleep" meaning settle into their rotational stability. is this true? i regularly shoot out to 660 yds (my furthest premanent target) she shoots 1/3rd MOA, 0.303 @ 100yds and 3" @ 660yds
sleeping bullets?
- Thread starter albertaguide
- Start date
- Location
- Fort St John BC
it all depends on caliber and twist but as a general rule i would probably agree. sounds like your shooting nice groups
Yes, it is true. Bullets are usually settled down by 100 yards. Look at the hole. If it is egg shaped, bullet still has some yaw.
A bullet gains stability as it moves down range, so once it is stable, it stays that way.
A bullet gains stability as it moves down range, so once it is stable, it stays that way.
vagrantviking
CGN Ultra frequent flyer
- Location
- Southern Alberta
I know that some BPCR shooters swear that it can be an issue. They do load development by shooting groups at 200 yards to be sure that the bullet has settled down.
Northman999
CGN Ultra frequent flyer
- Location
- Southern Yukon
Sounds crazy, but my P17 in 30-06 shoots the about same sized groups at 200 yards as at 100 yards, when shooting Berger 210gr VLD's. From what I have been able to gather, this is the reason.
There is an interesting little video floating around out there that shows this sort of thing; I can't remember where I found it, but I remember that it seemed to show the bullet having a much larger "wobble circle" (I'm sure this is the scientifically correct term
) at 70 yards or so than at 200 yards.
There is an interesting little video floating around out there that shows this sort of thing; I can't remember where I found it, but I remember that it seemed to show the bullet having a much larger "wobble circle" (I'm sure this is the scientifically correct term
) at 70 yards or so than at 200 yards.
