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Rifles, Reloading, Optics, Equipment
Reloading
45-70 Bullets Keyholing
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<blockquote data-quote="Trickymissfit" data-source="post: 768764" data-attributes="member: 25383"><p>I used to work with a group of guys that shot BPMC silhouette all the way out to 1000 yards. One of them holds eight world records last ime I heard (Russ Combs). None of them would ever be caught using a jacketed bullet! These guys shoot groups that many centerfire guys would often be envious of.</p><p> </p><p>What the original poster needs to do is to clean the barrel squeaky clean. Then slug it! After slugging it with about four or five lead slugs you will come up with some accurate measurments to base your bullet sizing operation off of. One thousandth of an inch can make a word of difference. Then if the builder simply reworked a factory Siamese Mauser barrel it may not even be to the same spec that a modern blank is machined to. I ran into this with two</p><p>38-55's I own. One has a .3775" bore, and the other is .376". I use a .379" cast lead bullet with one and a .3775" with the other.</p><p> </p><p>I need to learn how to cast bullets and size them</p><p>gary</p></blockquote><p></p>
[QUOTE="Trickymissfit, post: 768764, member: 25383"] I used to work with a group of guys that shot BPMC silhouette all the way out to 1000 yards. One of them holds eight world records last ime I heard (Russ Combs). None of them would ever be caught using a jacketed bullet! These guys shoot groups that many centerfire guys would often be envious of. What the original poster needs to do is to clean the barrel squeaky clean. Then slug it! After slugging it with about four or five lead slugs you will come up with some accurate measurments to base your bullet sizing operation off of. One thousandth of an inch can make a word of difference. Then if the builder simply reworked a factory Siamese Mauser barrel it may not even be to the same spec that a modern blank is machined to. I ran into this with two 38-55's I own. One has a .3775" bore, and the other is .376". I use a .379" cast lead bullet with one and a .3775" with the other. I need to learn how to cast bullets and size them gary [/QUOTE]
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45-70 Bullets Keyholing
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