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Rifles, Reloading, Optics, Equipment
Reloading
Pistol powder to fireform 300 rum??
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<blockquote data-quote="azsugarbear" data-source="post: 1797141" data-attributes="member: 4809"><p>You are absolutely right regarding the possibility of a squib..... if you are planning to top off the powder/cow case with a bullet. But if there is no bullet, then there can be no 'squib'. Neither I nor the OP suggested a bullet with the cow method. Perhaps you were addressing another poster that suggested such?</p><p></p><p>Doubling-charging a rifle case with a rifle powder is difficult to do. But double-charging a rifle case with a pistol/shotgun powder is very easy to do - and as you suggest, quite dangerous. But I submit it is no more likely than the possibility of double-charging a pistol case with a pistol powder. Both rifle and pistol cases have the extra capacity to take a double charge of a pistol powder. Either way, precautions must be taken. A good rule for reloading in general.</p><p></p><p>You could be right with TP and additional oxygen, but I can't see how the burning powder even gets close to the TP. To be clear, we are talking about 10 to 15 grains of a fast burning powder. This fills up the bottom 10% to 20% of the rifle case such as the 30-06 or 338 Lapua (smaller cases require less powder). Then the balance of the case is packed with cow - all the way up into the neck. The cow plus the pressure from the burning powder is used to blow out the walls and move the shoulder forward. TP is just used to keep the cow/cornmeal in place. I estimate I have fire-formed over a thousand cases this way between my various wildcats. If you move forward several yards from the barrel after doing a hundred cases, you will begin to see some of the unburnt cow or cornmeal on the ground. A guy at the rifle range brought this to my attention.</p><p></p><p>Again, lots of good ideas and alternatives on this thread. But to the OP's original question: yes, any fast-burning powder will work fine and give you a nicely formed case - provided you load the case safely as described in previous threads posted over the years on LRH.</p></blockquote><p></p>
[QUOTE="azsugarbear, post: 1797141, member: 4809"] You are absolutely right regarding the possibility of a squib..... if you are planning to top off the powder/cow case with a bullet. But if there is no bullet, then there can be no 'squib'. Neither I nor the OP suggested a bullet with the cow method. Perhaps you were addressing another poster that suggested such? Doubling-charging a rifle case with a rifle powder is difficult to do. But double-charging a rifle case with a pistol/shotgun powder is very easy to do - and as you suggest, quite dangerous. But I submit it is no more likely than the possibility of double-charging a pistol case with a pistol powder. Both rifle and pistol cases have the extra capacity to take a double charge of a pistol powder. Either way, precautions must be taken. A good rule for reloading in general. You could be right with TP and additional oxygen, but I can't see how the burning powder even gets close to the TP. To be clear, we are talking about 10 to 15 grains of a fast burning powder. This fills up the bottom 10% to 20% of the rifle case such as the 30-06 or 338 Lapua (smaller cases require less powder). Then the balance of the case is packed with cow - all the way up into the neck. The cow plus the pressure from the burning powder is used to blow out the walls and move the shoulder forward. TP is just used to keep the cow/cornmeal in place. I estimate I have fire-formed over a thousand cases this way between my various wildcats. If you move forward several yards from the barrel after doing a hundred cases, you will begin to see some of the unburnt cow or cornmeal on the ground. A guy at the rifle range brought this to my attention. Again, lots of good ideas and alternatives on this thread. But to the OP's original question: yes, any fast-burning powder will work fine and give you a nicely formed case - provided you load the case safely as described in previous threads posted over the years on LRH. [/QUOTE]
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Pistol powder to fireform 300 rum??
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