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Most "Inherently Accurate" Cartridges
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<blockquote data-quote="Mysticplayer" data-source="post: 84311" data-attributes="member: 8947"><p><strong>Re: Most \"Inherently Accurate\" Cartridges</strong></p><p></p><p>I knew there would be some discussion on that. No problem at all. Has anyone developed a 30-06 recently? I bet it would be every bit as accurate as a 308 IF the same CHAMBER TOLERANCES and THROAT specs were utilised. You would get a whole lot faster too.</p><p></p><p>Or are we really comparing the shooting attributes of service rifles (Garand vs M1A)???? Now that would have nothing to do with cartridge accuracy.</p><p></p><p>Remember that this is about 1000yd shooting, no short range stuff. At longer ranges, the limiting factor is still the ability to dope the conditions. There has been little issue getting a match winning accuracy with a whole host of cartridges in bolt rifles. </p><p></p><p>Just look at the success of the 260, 260AI, 6.5X55 reg and AI versions, then the 6.5-284, 6.5 X 57, 6.5WSSM and so forth (I would add the 6.5 Mystic but not officially campaigned yet). All different cases yet ALL can be equally accurate when all the proper tweaks are applied. In fact, the 260 vs 6.5-284 is basically the same difference in case capacity as the 308 and -06.</p><p></p><p>Any worries about the 260 being accurate enough? Maybe not fast enough but that hinders wind bucking NOT accuracy.</p><p></p><p>Do some research into the many 6mm wildcats. Even more diverse. </p><p></p><p>As to the 30-30 case, personally, the big issue would be the lack of brass strength. It will not handle the pressures associated with modern cartridges. Case would simple 'fail' / distort.</p><p></p><p>However, take the rim off, reduce taper and guess what, you are within spitting distance of the 'superb' 6XC that seems to be the new winning design. Just remember that the web area would have to be reinforced as done in the XC case.</p><p></p><p>Hey, come to think of it. Why not we just go make some rimmed XC/30-30 brass and have a lever action class? That would make for an interesting afternoon on the range. Oops, we already have that - 225 Win. I bet if this case was used instead of the 30-30, that shooter would have had much more success.</p><p></p><p>So there you go, a quick look at why case capacity only limits the bullet velocity, NOT it's ability to be launched accurately. Barrel quality, chamber concentricity, throat design etc, etc. play a much more important role.</p><p></p><p>Jerry</p></blockquote><p></p>
[QUOTE="Mysticplayer, post: 84311, member: 8947"] [b]Re: Most \"Inherently Accurate\" Cartridges[/b] I knew there would be some discussion on that. No problem at all. Has anyone developed a 30-06 recently? I bet it would be every bit as accurate as a 308 IF the same CHAMBER TOLERANCES and THROAT specs were utilised. You would get a whole lot faster too. Or are we really comparing the shooting attributes of service rifles (Garand vs M1A)???? Now that would have nothing to do with cartridge accuracy. Remember that this is about 1000yd shooting, no short range stuff. At longer ranges, the limiting factor is still the ability to dope the conditions. There has been little issue getting a match winning accuracy with a whole host of cartridges in bolt rifles. Just look at the success of the 260, 260AI, 6.5X55 reg and AI versions, then the 6.5-284, 6.5 X 57, 6.5WSSM and so forth (I would add the 6.5 Mystic but not officially campaigned yet). All different cases yet ALL can be equally accurate when all the proper tweaks are applied. In fact, the 260 vs 6.5-284 is basically the same difference in case capacity as the 308 and -06. Any worries about the 260 being accurate enough? Maybe not fast enough but that hinders wind bucking NOT accuracy. Do some research into the many 6mm wildcats. Even more diverse. As to the 30-30 case, personally, the big issue would be the lack of brass strength. It will not handle the pressures associated with modern cartridges. Case would simple 'fail' / distort. However, take the rim off, reduce taper and guess what, you are within spitting distance of the 'superb' 6XC that seems to be the new winning design. Just remember that the web area would have to be reinforced as done in the XC case. Hey, come to think of it. Why not we just go make some rimmed XC/30-30 brass and have a lever action class? That would make for an interesting afternoon on the range. Oops, we already have that - 225 Win. I bet if this case was used instead of the 30-30, that shooter would have had much more success. So there you go, a quick look at why case capacity only limits the bullet velocity, NOT it's ability to be launched accurately. Barrel quality, chamber concentricity, throat design etc, etc. play a much more important role. Jerry [/QUOTE]
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