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.338 MAI Range Report
Old 08-06-2017, 10:39 PM
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Default .338 MAI Range Report

There was a chance I was going to be going out with some friends from Texas, (the fellow with whom I went turkey hunting last spring and his friend), to go caribou hunting next week. Didn't turn out. (I'm not disappointed.) In prep for that possibility, I decided I was going to take the .338 MAI of Ol' John's creation. (Use the search engine for the many threads on John and my rifle work-ups. Just put in "range report" and search for all threads started by "gitano".)

The best-shooting bullet out of my rifle so far was the 225-grain Hornady ahead of 56.2 grains of Ramshot Hunter powder. Average MV is 2563 f/s. That's about exactly 100 f/s slower than my loads in the .338 Win Mag with the Nosler 210-grain Partition. (Look here for last range report on this bullet: http://thehunterslife.com/forums/showthread.php?t=11767 .) I loaded 10 up and took the rifle (with MagnetoSpeed) 'out back', and shot the following target at 35 yd.

Normally, if I was working up a load, I wouldn't even consider 35 yard target except to get 'on paper'. However, since I already knew how this load shot, I only needed to verify that the scope was still 'on'.

Here's the Excel spreadsheet for those three shots:

As you can see in cell B23, the group is 1.21 MoA. That's about 'right' based on earlier work. This rifle is "good to go".

Considerably more recoil than the .22 Hornet shooting subsonic loads.

Then you will know the truth, and the truth will set you free. John 8:32

"We make men without chests and expect of them virtue and enterprise. We laugh at honor and are shocked to find traitors in our midst. We castrate and bid the geldings be fruitful." ~ C.S. Lewis.

Do not confuse technical skill for wisdom and do not confuse strength for skill. Paul Skvorc

Last edited by gitano; 08-11-2017 at 04:41 PM..
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.338, .338 caliber, .338 mai, .338 mauser ackley imp, 180 accubond, 225 accubond, 225 hornady, range report

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