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Hunting
Long Range Hunting & Shooting
Remington 700 Long Range 7mm Remington Magnum issues I
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<blockquote data-quote="LaHunter" data-source="post: 1077190" data-attributes="member: 54963"><p>You mention in the original post that this is a new rifle. I would recommend doing a break in for the barrel before you try to develop a load. The way I have gone about breaking in a new rifle / barrel is to buy 2 boxes of factory ammo and I used this as my break in ammo. Buy what ever brand ammo that uses the brass that you intend on using for reloading. I have seen velocities increase as the barrel breaks in. With a factory rifle, it could take 3-4 boxes of ammo. I use IMR 7828 in my 7 mm rem mag also. I use 66.5 grains along with 160 grain Accubonds with about .010" jump and I am getting 3100 fps. I also bump the shoulder back to get .002" headspace clearance. You can't really apply load data from one rifle to another, but just included it for reference.</p><p>Also, no crimping.</p><p></p><p>Good Luck</p></blockquote><p></p>
[QUOTE="LaHunter, post: 1077190, member: 54963"] You mention in the original post that this is a new rifle. I would recommend doing a break in for the barrel before you try to develop a load. The way I have gone about breaking in a new rifle / barrel is to buy 2 boxes of factory ammo and I used this as my break in ammo. Buy what ever brand ammo that uses the brass that you intend on using for reloading. I have seen velocities increase as the barrel breaks in. With a factory rifle, it could take 3-4 boxes of ammo. I use IMR 7828 in my 7 mm rem mag also. I use 66.5 grains along with 160 grain Accubonds with about .010" jump and I am getting 3100 fps. I also bump the shoulder back to get .002" headspace clearance. You can't really apply load data from one rifle to another, but just included it for reference. Also, no crimping. Good Luck [/QUOTE]
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Remington 700 Long Range 7mm Remington Magnum issues I
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