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Back to the Future: Reloading Again for the 7x300 Weatherby
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Old 10-11-2018, 12:08 AM
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Default Back to the Future: Reloading Again for the 7x300 Weatherby

Since I have decided to take my 7x300 Weatherby to Colorado next week to hunt mule deer, AND since I MIGHT need to take some shot at or slightly over 300 yds, I thought I might look into loading some bullets other than my "go to" 115-grain Speer HP, with which I have killed a LOT of critters. Trouble is, while it starts out 'smartly' with a MV of over 3300 f/s, it's BC of .250 causes it to shed that velocity (and more importantly, ENERGY), pretty quick. By the time it's out at 300 yd, the energy is down to ~1200 ft-lb. It drops to 1000 ft-lb at 380. Like I said, I've shot lots of critters with this rifle and bullet combination, and I do not want to shoot at big game beyond much over 325.

I was 'talking' with JaDub, sakorick, and Hunterbug here: http://www.thehunterslife.com/forums...741#post151741, and got to thinking about other bullets. (I LOVE the 115-grain HP. It shoots like a laser and they DIE RIGHT THERE! Inside 300. ) As a result, I went out and bought some 140 Accubonds and some Retumbo powder.

I'm going to relay the gory details of working up a load using some "longer range" bullet for this rifle. One I can confidently shoot out to 350 yd and know it will both have the energy I want AND shoot precisely enough to be confident to put it where I want it to go at that range.

First in what will likely be a bit of a "saga" is a picture of all of the 7mm bullets I have in hand. I will follow this with a data table of some of the important specifications of each bullet. From that will follow some comparisons of external ballisitics, and ultimately a final choice. I will get a load worked up and ammo loaded for Colorado. All in less than 7 days. Let's see if my theory and understanding of QuickLOAD will allow me to achieve this goal.



Paul

PS - There is only one bullet among those you can see in the picture that is ABSOLUTELY "out". It's the Hornady 162-grain BTHP. That is a target bullet with a TINY, CLOSED meplat. It is not suitable for use on big game. I WOULD use it on coyotes and smaller game though. Also, I notice that I have used up all of the Hornady 154-grain bullets that I used to have 'plenty' of.

Paul
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