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Reloading
First Hammers
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<blockquote data-quote="antelopedundee" data-source="post: 2188501" data-attributes="member: 107384"><p>Since most [if not all] of the Hammer bullets contain a substantial number of "grooves" as it were, wouldn't it be just as expedient to use the crimp feature that's built into your seat die? Seat your bullet until the case mouth is approximately halfway up the width of one of the grooves and then just run that case back up into your seat die after it's been readjusted to give full or partial crimp. This might require having a second seat die. You can adjust the amount of crimp by either using a spacer [assuming that you can find a set of variable thicknesses] or one of the Redding shellholders that are of variable thickness. The Lee FCD would be best used if your bullet has no cannelure or if the cannelure it does have is way off from where you want your bullet to be seated.</p><p></p><p>Regarding item 12 it seems that Hammer advises caution when working up a load [esp. for the absolutes] because it is easy for pressures to get away on you if you're not careful. It seems to me that if the bullets were releasing at lower pressures that they would just tell you to use the same weight of powder as you would for a lead core based bullet of identical weight. The same advice pertains when loading other monolithic bullets.</p><p></p><p>Seems to me that one way to "increase" pressure is to do like they suggest for the Absolutes and drop back to a "faster" powder. Maybe something like IMR4955. I was out the other day and had 5 different powders with Barnes 100 grain TTSX in my .25-06. 53 grains of IMR 4955, 54 grains of Reloder 19, 55 grains of Reloder 22 and 56 grains of Reloder 23 and IMR7977. Based subjectively on bolt lift and primer [Federal 210 match] appearance, pressures weren't excessive. Best results on the target were with the IMR4955 and Reloder 19.</p><p></p><p>I don't have any .25 cal Hammers, but I'm going to try something similar with the 6.5mm 123 grain Absolutes one of these days.</p></blockquote><p></p>
[QUOTE="antelopedundee, post: 2188501, member: 107384"] Since most [if not all] of the Hammer bullets contain a substantial number of "grooves" as it were, wouldn't it be just as expedient to use the crimp feature that's built into your seat die? Seat your bullet until the case mouth is approximately halfway up the width of one of the grooves and then just run that case back up into your seat die after it's been readjusted to give full or partial crimp. This might require having a second seat die. You can adjust the amount of crimp by either using a spacer [assuming that you can find a set of variable thicknesses] or one of the Redding shellholders that are of variable thickness. The Lee FCD would be best used if your bullet has no cannelure or if the cannelure it does have is way off from where you want your bullet to be seated. Regarding item 12 it seems that Hammer advises caution when working up a load [esp. for the absolutes] because it is easy for pressures to get away on you if you're not careful. It seems to me that if the bullets were releasing at lower pressures that they would just tell you to use the same weight of powder as you would for a lead core based bullet of identical weight. The same advice pertains when loading other monolithic bullets. Seems to me that one way to "increase" pressure is to do like they suggest for the Absolutes and drop back to a "faster" powder. Maybe something like IMR4955. I was out the other day and had 5 different powders with Barnes 100 grain TTSX in my .25-06. 53 grains of IMR 4955, 54 grains of Reloder 19, 55 grains of Reloder 22 and 56 grains of Reloder 23 and IMR7977. Based subjectively on bolt lift and primer [Federal 210 match] appearance, pressures weren't excessive. Best results on the target were with the IMR4955 and Reloder 19. I don't have any .25 cal Hammers, but I'm going to try something similar with the 6.5mm 123 grain Absolutes one of these days. [/QUOTE]
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