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Hunting
Long Range Hunting & Shooting
Just got my 7mm-300 win mag reamer
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<blockquote data-quote="Badgerclaw" data-source="post: 1489972" data-attributes="member: 101780"><p>I hear ya. I know I won't get to the same velocity, but from what I've seen in my other calibers that I've tried both eldm and bergers, it seams like I usually hit pressure about 50-70 fps sooner with the eldm's pretty consistantly. So I guess I figured 3150 was a safe bet. Just shot 3 rounds at 75.5 gr and had slightly stuff case extraction. When I get home I tried to stuff an eldm down a fired case, it was way too tight! So I think part of my problem is a tight neck chamber. I measured the necks at .016. I just turned them down to .013. I figure I could try three more at 75.5gr and see if the neck was the problem. I also double checked my sizing, now that I have fired cases. Turns out I was bumping the shoulder about .010 like BJH mentioned I might be doing. I reset my 7mm sizing die and the shoulders are only being bumped about .003 now..... we'll see what happens now that the brass is just like I want it</p></blockquote><p></p>
[QUOTE="Badgerclaw, post: 1489972, member: 101780"] I hear ya. I know I won't get to the same velocity, but from what I've seen in my other calibers that I've tried both eldm and bergers, it seams like I usually hit pressure about 50-70 fps sooner with the eldm's pretty consistantly. So I guess I figured 3150 was a safe bet. Just shot 3 rounds at 75.5 gr and had slightly stuff case extraction. When I get home I tried to stuff an eldm down a fired case, it was way too tight! So I think part of my problem is a tight neck chamber. I measured the necks at .016. I just turned them down to .013. I figure I could try three more at 75.5gr and see if the neck was the problem. I also double checked my sizing, now that I have fired cases. Turns out I was bumping the shoulder about .010 like BJH mentioned I might be doing. I reset my 7mm sizing die and the shoulders are only being bumped about .003 now..... we'll see what happens now that the brass is just like I want it [/QUOTE]
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Just got my 7mm-300 win mag reamer
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