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Rifles, Reloading, Optics, Equipment
Reloading
300 WSM loose primer pockets - need some help please
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<blockquote data-quote="screamrider" data-source="post: 1064671" data-attributes="member: 52942"><p>Wow, your advice was spot on!</p><p></p><p>I just got back from the range with the first firings of my new norma brass.</p><p></p><p>I went in half grain increments from 61.0 to 63.5 and found some interesting and encouraging results.</p><p></p><p>1. The norma brass gave the same velocities as the federal brass, but with half a grain less charge. So my 63.0 norma load was the same velocity as my 63.5 grain federal load (2886 fps). Possibly due to thicker brass with the norma and less case volume, therefore more pressure?</p><p></p><p>2. The best load from my norma brass occurred at the exact same velocity as the best load from my federal brass (2886 fps). Today it was 0.732 at 200 yards, so approx 0.366 MOA. The federal at the same velocity was 0.299 at 100 yards last week. So looks like that is the velocity I'm after.</p><p></p><p>3. Today I loaded all rounds with WLR instead of WLRM. Overall my groups were MUCH tighter with the WLR primers. Every group (61.0, 61.5, 62.0, 62.5, 63.0) was under 0.75 MOA. It was only my last group at 63.5 grains running 2911 fps that opened up to 1.35 MOA.</p><p></p><p>Bottom line, I really appreciate your help, and I'm now totally hooked on reloading!</p></blockquote><p></p>
[QUOTE="screamrider, post: 1064671, member: 52942"] Wow, your advice was spot on! I just got back from the range with the first firings of my new norma brass. I went in half grain increments from 61.0 to 63.5 and found some interesting and encouraging results. 1. The norma brass gave the same velocities as the federal brass, but with half a grain less charge. So my 63.0 norma load was the same velocity as my 63.5 grain federal load (2886 fps). Possibly due to thicker brass with the norma and less case volume, therefore more pressure? 2. The best load from my norma brass occurred at the exact same velocity as the best load from my federal brass (2886 fps). Today it was 0.732 at 200 yards, so approx 0.366 MOA. The federal at the same velocity was 0.299 at 100 yards last week. So looks like that is the velocity I'm after. 3. Today I loaded all rounds with WLR instead of WLRM. Overall my groups were MUCH tighter with the WLR primers. Every group (61.0, 61.5, 62.0, 62.5, 63.0) was under 0.75 MOA. It was only my last group at 63.5 grains running 2911 fps that opened up to 1.35 MOA. Bottom line, I really appreciate your help, and I'm now totally hooked on reloading! [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
300 WSM loose primer pockets - need some help please
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