22-250 loads

sharp shooter

sharp shooter

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I just acquired a new to me minty Sako AII. I have never loaded for a 22-250 before so just I was wondering what bullets and powders you fellows like. This will probably be my coyote gun. I have a lot of H380 to start with and some 50gr blitz kings.

Also, I see many different max charge weights one book says 40.6, the other says 42 with mag primers. Should I just start at 38 grains and work up?
Steve
 
Nice rifle!I have an AII as well in 22-250.I have used H380 and would start at 38.0 gr and work up.I use Varget now with a 55GR softpoint,and that serves me well for coyotes.
GJ
 
The Blitz Kings are accurate bullets but I find they occasionally blow up on coyotes leaving a shallow wound.
Sierra #1365, 55 grain BTSP have not failed for me and 55 Nosler Ballistic Tips work well also.
H380 is an good powder and 38.0 grains is a good starting point.
Myself, I prefer not to use ball powers so use IMR 4064.

Dan
 
My load is 50 gr Blitzkings and RE-15, 36.5 gr of powder. Sub MOA at 200 yds and nailed my first long range groundhog at 450yds this spring. Tried 52 Amax and 50 gr Speers as well - Blitzking and Alliant combo was crazy accurate out of a M700.
 
36.1 grains of h4895 under a 50 grain v max is a really accurate load at 3610 fps in my tikka

38.4 of h4895 and a 30 grain varmint grenade is the same point of impact and just as accurate for me at 100 yards but 4220 fps that dies off quickly

I use win brass and cci 200 primers and with neck sizing its lasted many reloads without issue.
 
just loaded up a bunch of rounds with H380. I started at 38 grains and worked up to 39.5 grains. I loaded 50 grain V-Max and Sierra 55 grain HPBT Gamekings. I loaded 5 of each. Also loaded a dozen 50 grain blitzkings at 38.5 grains to get the scope lined up that I just put on the gun.
 
Been reloading for a pair of Sako Forester 22-250's for decades...One stock heavy barrel, the other rebarreled with a Gaillard sporter weight...41 grains H-414 and 55 grain Nosler Ballistic Tips...Vicious combination for varmints...According to the powder burn rate charts, H-380 is just a tad faster then H-414 so I'm guessing you are going to have good luck with it as well...My loads are clocking in around 3550 fps out of 23 inch barrels...On a calm day I can put three rounds in a half inch off the bipod...Good luck.
 
I just recently bought a mint Sako Varmint Laminate in 22-250. The best load I have found for it is 35.5grs of IMR 8208 XBR and 55gr NBTs in RP brass. This load is shooting .2" 5 shot groups at 100yds. I also tried 43grs of Superformance behind the NBTs in Win brass and it will group .5" at 100yds. I will be playing with a few more loads this fall once the bugs start to go away but for now I'm happy with these two.
 
By cool I'm guessing you mean it meters nice cause it's ball powder...Years back I would record the ambient temperature when shooting various rifles and found there was a significant loss of velocity when the temperature dropped off...Seems to me it was some where around 1.5-2.5 fps/degree F...I was not real scientific about things, just noted the ambient temperature I was shooting in when recording the velocity...After many sessions it was easy to see the temperature/velocity relationship...Was about the same for stick and ball powder of various burn rates...One other thing I noticed was my heavier loads (hotter) tended to be more sensitive to temperature then moderate loads...So to answer your question H-380 is going to be temperature sensitive but no more then any other standard high intensity smokeless powder...Varget and the like being the exception.
 
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