The Accurate Reloading Forums
208gr AMAX in 30.06
23 April 2011, 17:33
Ghubert208gr AMAX in 30.06
quote:
Originally posted by rcamuglia:
Check out the 155 Lapua Scenars. They are blowing away anything shot in a .308 and in the 06 would be awesome!
No good mate, a 308 with a 30" barrel can easily match if not exceed a 22" 30.06 with 155gr bullets and quite probably match it with 175-190 grain bullets.
The only advantages over those guys I will have is a scope, a bipod and heavy bullets.
I'm putting an incline base on it for this, normally to shoot the tikka at 1000 I need to aim at the top of the range-in-use flags behind the stop butts and several along if the wind is up.
I believe it's called Kentucky windage and Arkansas elevation where you're from....
I've got to admit, I was sort of inspired in issuing the challenge by you and Larry's little bet.
25 April 2011, 18:14
GhubertFirst observations are that this is a bloody accurate bullet in my rifle.
The wind was quartering at between 5 and 19mph but the total horizontal dispersion at 600 yards was under four minutes.
The total vertical dispersion for 54-57.5gr of H4831 was about 13 minutes.
I will not be bothering with the lower node and load up a few around the 57.5 grain mark to see which chronos out at less velocity variation.
The nodes seemed around a grain and a half wide, if you know what I mean, should I try .3gr increments around 57.5 to +-1.5 gr?
25 April 2011, 20:42
rcamugliaI really hope you didn't mean "Minutes" of dispersion at 600 yards.
Less than 1/2 a MOA would be good.
25 April 2011, 21:01
Ghubertquote:
Originally posted by rcamuglia:
I really hope you didn't mean "Minutes" of dispersion at 600 yards.
Less than 1/2 a MOA would be good.
Sorry, I've changed it in the post, 13 minutes of vertical dispersion.
It wasn't unexpected as by calculations the difference inn drop between a projectile at minimum load velocity and max should be around 11 minutes.
The 4 minutes horizontal was not great of course but in the blustery wind that ranged between barely perceptible and about 20mp gust from 7 oclock, it was much as expected given I wasn't dialling in ( sporting scope remember ) and trying to shoot at calm wind.
I was under the impression it was mainly the vertical dispersion we were concerned with in this method?
25 April 2011, 22:01
rcamugliaI still think you're confused a touch
13 Minutes of vertical dispersion at 600 yards is equal to about 78".
25 April 2011, 22:16
Antelope Sniper13 minutes at 600 yards.
13 x 6 = 78 inch group.
That's a big target board.
25 April 2011, 23:11
Ghubertquote:
Originally posted by rcamuglia:
I still think you're confused a touch
13 Minutes of vertical dispersion at 600 yards is equal to about 78".
I appear to have a slight issue with writing numbers in the wrong boxes and not checking before saying something stupid...Sorry 13 and 4 were my comeups and windage from a 200 yard zero from the morning session....
The ladder was about two and a half minutes high by a minute and bit wide.
Hope that makes more sense.
25 April 2011, 23:34
Antelope SniperThat sounds more like what I would expect.
SOP is to zero at 100 yards, and have all come up from 100, assuming you are dialing in the comeups.
Ghubert,
The 208 A-Max shoots real well out of my 22 inch barrel. I have been using 59 grains of RL22 and getting groups that measure from .3 inches to a little under .5 at 100 yards. The only problem is that out of my rifle this load only produces 2560 FPS. Where I shoot 800 yards is the max distance and it does very well at this yardage.
I have been up to 61 grains of powder but the accuracy fell off very badly.
Regards, Keith
03 June 2011, 04:56
Ghubertquote:
Originally posted by Keith1:
Ghubert,
The 208 A-Max shoots real well out of my 22 inch barrel. I have been using 59 grains of RL22 and getting groups that measure from .3 inches to a little under .5 at 100 yards. The only problem is that out of my rifle this load only produces 2560 FPS. Where I shoot 800 yards is the max distance and it does very well at this yardage.
I have been up to 61 grains of powder but the accuracy fell off very badly.
Regards, Keith
Great Load Keith, shot better than my H4831 load.
03 June 2011, 04:58
GhubertI lost......
Kept up for 2 shots, misread the wind somehow and put one in the white at 2 o'clock, then bull for next shot, 3 for the last one at 9 o'clock.
Could have bloody done it if I'd shot straight.......
Thanks for all your help chaps.