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Rifles, Reloading, Optics, Equipment
Reloading
lapua brass prep
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<blockquote data-quote="Winchester 69" data-source="post: 366001" data-attributes="member: 8037"><p>Nope. </p><p></p><p>Make sure the neck is round, and then chamfer. Trim to uniform length after firing. Re-chamfer as needed. </p><p></p><p>Neck turning is performed to fit the case neck to a custom chamber. You can check for variance in case neck thickness if you wish using a ball mic. Simply cull any really bad cases, if you find any. </p><p></p><p>Uniforming the primer pocket assures 100% reliability by providing a flat seating surface for the primer's anvil. There is no influence on accuracy. </p><p></p><p>Benchresters will tell that flash hole de-burring has a huge influence on their accuracy. Will your gun realize it? Prepping that area started as a means for removing large flash from around the hole that would obstruct flame propagation. Lapua brass doesn't have any flash of that proportion. If you have the tool, you can A/B some cases and decide for yourself what benefit is to be realized. I use a large twist drill (by hand) on my non-premium brass to knock off any burrs. </p><p></p><p>Just using the premium brass averts many ills.</p></blockquote><p></p>
[QUOTE="Winchester 69, post: 366001, member: 8037"] Nope. Make sure the neck is round, and then chamfer. Trim to uniform length after firing. Re-chamfer as needed. Neck turning is performed to fit the case neck to a custom chamber. You can check for variance in case neck thickness if you wish using a ball mic. Simply cull any really bad cases, if you find any. Uniforming the primer pocket assures 100% reliability by providing a flat seating surface for the primer's anvil. There is no influence on accuracy. Benchresters will tell that flash hole de-burring has a huge influence on their accuracy. Will your gun realize it? Prepping that area started as a means for removing large flash from around the hole that would obstruct flame propagation. Lapua brass doesn't have any flash of that proportion. If you have the tool, you can A/B some cases and decide for yourself what benefit is to be realized. I use a large twist drill (by hand) on my non-premium brass to knock off any burrs. Just using the premium brass averts many ills. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
lapua brass prep
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