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22-250 75 Grain A-Max

 
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  #8  
Old 12-27-2008, 03:14 PM
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Re: 22-250 75 Grain A-Max

I shoot H414 and 75 Amax's through my 22-250AI. Good combo for me.
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  #9  
Old 01-01-2009, 09:14 PM
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Re: 22-250 75 Grain A-Max

I've been thinking about making up a barrel like yours, let us know how yours works out. I have the latest edition of the Hornaday manual and it shows loads for the 75 and 80 grain A-max's using both the powders you mentioned.

75 Gr. A-max

Max 37.2 H4350
Max 38.1 H414

3,300 fps Max for both powders
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  #10  
Old 01-15-2009, 10:06 PM
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Location: Central Pennsylvania
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Re: 22-250 75 Grain A-Max

Skunc,
What is the barrel length that is being used for the load data? If your barrel is longer than the test barrel, then you are going to gain some extra velocity.
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  #11  
Old 01-16-2009, 09:54 PM
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Join Date: Dec 2002
Location: Central Va.
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Re: 22-250 75 Grain A-Max

I had my 8 twist standard 22-250 27"shilen barrel throated to shoot the 75 grain A-maxes. It shoots very accurately... with H-414, W760 & killer groups with AA 2700 with a Fed 210 primer.
I built it for long range ground hoggin'.... I wanted to buck the wind etc.. blahhh.. I got to where I could hit the hogs a long range with some regularity, but the bullet wouldn't dispatch them... lots of draggers gettin' back in the hole. I've heard everything .. you need a swift you shulda made an 22-250AI or a 22-243 or what ever.. I was bummed. So I found a lot of 68 grain Starkes Red Prairie varmint bullets and it's dispatching the hogs better.

Here is the 22-250 8 twist



To totally remedy the problem I built a 243 Ackley Improved for the long range groundhogs and I don't have many draggers anymore. I have been much happier with it's killing performance.
The 22-250 is so accurate though, I could shoot a varmint for score BR match with it...
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Last edited by Sam In Va; 01-16-2009 at 10:07 PM. Reason: addl info
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  #12  
Old 01-16-2009, 10:36 PM
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Location: Central Pennsylvania
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Re: 22-250 75 Grain A-Max

So what is the performance like with the 243AI over a normal 243? How would that compare to the 220 AI I am asking about?

Quote:
Originally Posted by Sam In Va View Post
I had my 8 twist standard 22-250 27"shilen barrel throated to shoot the 75 grain A-maxes. It shoots very accurately... with H-414, W760 & killer groups with AA 2700 with a Fed 210 primer.
I built it for long range ground hoggin'.... I wanted to buck the wind etc.. blahhh.. I got to where I could hit the hogs a long range with some regularity, but the bullet wouldn't dispatch them... lots of draggers gettin' back in the hole. I've heard everything .. you need a swift you shulda made an 22-250AI or a 22-243 or what ever.. I was bummed. So I found a lot of 68 grain Starkes Red Prairie varmint bullets and it's dispatching the hogs better.

Here is the 22-250 8 twist



To totally remedy the problem I built a 243 Ackley Improved for the long range groundhogs and I don't have many draggers anymore. I have been much happier with it's killing performance.
The 22-250 is so accurate though, I could shoot a varmint for score BR match with it...
__________________
Matthew 7:13-14
"Enter through the narrow gate. For wide is the gate and broad is the road that leads to destruction, and many enter through it. [14] But small is the gate and narrow the road that leads to life, and only a few find it.

If you find your self in a fair fight, your tactics suck!- Marine 1st Sergeant Jim Ryfinger

Friends don't let friends develop canonitis!-chucknbach

arguing over the internet is like the special Olympics....even if you win, you are still...special!
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  #13  
Old 01-16-2009, 11:57 PM
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Join Date: Dec 2002
Location: Central Va.
Posts: 53
Re: 22-250 75 Grain A-Max

Generally speaking Im able to up the standard 243 powder load about 8%. I m getting around 3800~3850fps with sierra 70 grain blitzkings out of a 28" tube. That's a flat shooting laser beam. The BC of the bullet is .299 see the ballistics...go to biggameinfo.com and run a chart...

3800fps
.299 bc
1.5 scope height
4 clicks
altitude 300 ft
80 * temps

= flat shooting hard hittin laying there dead gun....

here are two 3 shot groups @ 325 yards... about .75"

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