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Rifles, Reloading, Optics, Equipment
Reloading
IMR 7828 and Berger 168 VLDs
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<blockquote data-quote="Ruger338" data-source="post: 910950" data-attributes="member: 64985"><p>I have a 7mm Remington Magnum with a 24 inch barrrel. I am loading 65 grains of IMR 7828 in Federal cases with federal 210m primers. </p><p> </p><p>I have chronographed this load and the numbers are as follows:</p><p> </p><p>First shot with cold clean barrel was 2892. The next three were 2866, 2867, and 2869.</p><p> </p><p>this load shoots half inch groups at 100 yards.</p><p> </p><p>My first question is this, is it normal for the first shot to be higher in velocity than the rest?</p><p> </p><p>My next question is this, should i try to raise the powder charge to gain more velocity or do i need to try a different powder(which are hard to come by right now), or should i be satisfied with that velocity out of a 24 inch barrel.</p></blockquote><p></p>
[QUOTE="Ruger338, post: 910950, member: 64985"] I have a 7mm Remington Magnum with a 24 inch barrrel. I am loading 65 grains of IMR 7828 in Federal cases with federal 210m primers. I have chronographed this load and the numbers are as follows: First shot with cold clean barrel was 2892. The next three were 2866, 2867, and 2869. this load shoots half inch groups at 100 yards. My first question is this, is it normal for the first shot to be higher in velocity than the rest? My next question is this, should i try to raise the powder charge to gain more velocity or do i need to try a different powder(which are hard to come by right now), or should i be satisfied with that velocity out of a 24 inch barrel. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
IMR 7828 and Berger 168 VLDs
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