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Rifles, Reloading, Optics, Equipment
Reloading
Reloading belted cartridges
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<blockquote data-quote="Innovative" data-source="post: 459791" data-attributes="member: 527"><p>4xforfun .......</p><p> </p><p></p><p> </p><p>You're right about not pushing the FL die too far down on a case. However, there's no benefit at all to having a belt on ANY case except the H&H Magnums. In fact, due to "newbe" reloading techniques they <u>can</u> be more dangerous to reload than non-belted calibers. </p><p> </p><p><span style="font-family: 'Times New Roman'"><span style="font-size: 15px"><strong>Here's why:</strong></span></span></p><p> </p><p>Belted magnum handloads absolutely MUST headspace on the shoulder - <u>never the belt</u>. The fact that belted magnums will always have a belt to rely on is meaningless, because if the shoulder is pushed back too far the fired case expands to fill the chamber, and the case gets stretched. </p><p> </p><p><span style="font-family: 'Times New Roman'"><span style="font-size: 15px"><strong>So what?</strong></span></span></p><p> </p><p> </p><p><span style="font-size: 10px">Case stretching is repeated at every firing, and it soon makes the case paper thin just above the belt. (That's what causes headspace separations.)</span></p><p> </p><p> </p><p><span style="font-family: 'Times New Roman'"><span style="font-size: 15px"><strong>What makes belted calibers different?</strong></span></span></p><p> </p><p> </p><p><span style="font-size: 10px"><u>Factory loads</u> always headspace on the belt. If you compare one of your fired cases to a factory round, you'll see that the shoulder has to stretch -.020" to .030" when it's fired. That's quite a stretch! Especially when you consider that this always happens on the very first firing. Belted cases are already seriously weakened.</span></p><p> </p><p> </p><p><span style="font-family: 'Times New Roman'"><span style="font-size: 15px"><strong>What can you do about that?</strong></span></span></p><p> </p><p> </p><p><span style="font-size: 10px">You can limit future case stretching by accurately measuring the exact clearance "at the shoulder" that YOUR handloads have in YOUR particular chamber. Then bump the shoulder -.001" to -.002" <u>at the most</u>.</span></p><p> </p><p> </p><p><span style="font-family: 'Times New Roman'"><span style="font-size: 15px"><strong>What I recommend ...</strong></span></span></p><p> </p><p> </p><p><span style="font-size: 10px">I recommend using the <span style="color: blue">Digital Headspace Gauge</span>. It works on ALL different calibers, and it needs no special bushings or extra attachments to operate, and it reduces case run-out. Your brass will last longer, and you'll never see a headspace separation.</span></p><p> </p><p> </p><p><span style="font-size: 10px">Good Shooting,</span></p><p><span style="font-size: 10px">Larry Willis</span></p></blockquote><p></p>
[QUOTE="Innovative, post: 459791, member: 527"] 4xforfun ....... You're right about not pushing the FL die too far down on a case. However, there's no benefit at all to having a belt on ANY case except the H&H Magnums. In fact, due to "newbe" reloading techniques they [U]can[/U] be more dangerous to reload than non-belted calibers. [FONT=Times New Roman][SIZE=4][B]Here's why:[/B][/SIZE][/FONT] Belted magnum handloads absolutely MUST headspace on the shoulder - [U]never the belt[/U]. The fact that belted magnums will always have a belt to rely on is meaningless, because if the shoulder is pushed back too far the fired case expands to fill the chamber, and the case gets stretched. [FONT=Times New Roman][SIZE=4][B]So what?[/B][/SIZE][/FONT] [SIZE=2]Case stretching is repeated at every firing, and it soon makes the case paper thin just above the belt. (That's what causes headspace separations.)[/SIZE] [FONT=Times New Roman][SIZE=4][B]What makes belted calibers different?[/B][/SIZE][/FONT] [SIZE=2][U]Factory loads[/U] always headspace on the belt. If you compare one of your fired cases to a factory round, you'll see that the shoulder has to stretch -.020" to .030" when it's fired. That's quite a stretch! Especially when you consider that this always happens on the very first firing. Belted cases are already seriously weakened.[/SIZE] [FONT=Times New Roman][SIZE=4][B]What can you do about that?[/B][/SIZE][/FONT] [SIZE=2]You can limit future case stretching by accurately measuring the exact clearance "at the shoulder" that YOUR handloads have in YOUR particular chamber. Then bump the shoulder -.001" to -.002" [U]at the most[/U].[/SIZE] [FONT=Times New Roman][SIZE=4][B]What I recommend ...[/B][/SIZE][/FONT] [SIZE=2]I recommend using the [COLOR=blue]Digital Headspace Gauge[/COLOR]. It works on ALL different calibers, and it needs no special bushings or extra attachments to operate, and it reduces case run-out. Your brass will last longer, and you'll never see a headspace separation.[/SIZE] [SIZE=2]Good Shooting,[/SIZE] [SIZE=2]Larry Willis[/SIZE] [/QUOTE]
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