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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Velocity swing in 7mm wsm with IMR 7828ssc
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<blockquote data-quote="Varmint Hunter" data-source="post: 1165740" data-attributes="member: 313"><p>Personally, I found that 7828ssc gave the best accuracy, low SD and good velocity in my rifle so I wouldn't give up on it too quickly.</p><p></p><p>It is important to use brass that is as consistent as possible. That means starting with new fresh brass (no range pick-ups), prepping them to a reasonable degree, and to keep them sorted by the number of firings. Brass work hardens and mixing brass from different or unknown number of firings will lead to problems that may be hard to diagnose. Factory ammo that is from different lots can give you just as much trouble when the brass is used for reloading IMO.</p><p></p><p>You can save yourself a lot of time and money by purchasing a few hundred pieces of quality brass from a single lot (if possible) and working from there. Keep strict records of the number of times reloaded and when brass was trimmed.</p><p></p><p>Annealing is another issue but it is best handled by experienced reloaders. Brass that is properly sized and not loaded too hot can be used many times without annealing.</p></blockquote><p></p>
[QUOTE="Varmint Hunter, post: 1165740, member: 313"] Personally, I found that 7828ssc gave the best accuracy, low SD and good velocity in my rifle so I wouldn't give up on it too quickly. It is important to use brass that is as consistent as possible. That means starting with new fresh brass (no range pick-ups), prepping them to a reasonable degree, and to keep them sorted by the number of firings. Brass work hardens and mixing brass from different or unknown number of firings will lead to problems that may be hard to diagnose. Factory ammo that is from different lots can give you just as much trouble when the brass is used for reloading IMO. You can save yourself a lot of time and money by purchasing a few hundred pieces of quality brass from a single lot (if possible) and working from there. Keep strict records of the number of times reloaded and when brass was trimmed. Annealing is another issue but it is best handled by experienced reloaders. Brass that is properly sized and not loaded too hot can be used many times without annealing. [/QUOTE]
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Velocity swing in 7mm wsm with IMR 7828ssc
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