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Rifles, Reloading, Optics, Equipment
Reloading
3 temp stable max loads for modern 7x57mm Mauser
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<blockquote data-quote="thekyrifleman" data-source="post: 1010372" data-attributes="member: 67984"><p>baker city,</p><p></p><p>Maybe it is just a matter of looking for a second node at a slightly higher powder charge. I stopped at 46 grains because of the dramatic group size reduction. As the charges increased to 48 gr the group opened but stayed at or under 3/4". Also, my experience is limited with the Hornaday line of bullets, only to say that I have never had great results. My rifle just did not seem to like them, particularly the 139 gr SST in the light magnum loading. Never could get tight groups with my 7-08, 280, or 7mag. All the 139 gr SST. However, the Sierra 140 Pro Hunter was much better along with the 160 Game King as I have described. Velocity was always impressive with the LM loadings just lousy groups. To be fair, they were certainly good enough for hunting, just not as accurate as I could cobble together myself. I have stuck with the Sierra's ( Pro Hunters ) because of accuracy, performance and price. They have performed flawlessly in my 7 mag, 280, 7-08, and the 7X57. Over a velocity range of 2670 fps - 3100 fps and distances from 30 yds to 350 yds.</p><p></p><p>One last comment, my rifle is throated for the 175 gr bullets. This allows me to seat the 140's and 160's no further than the base of the neck, which reduces jump and also slightly increases powder capacity.</p></blockquote><p></p>
[QUOTE="thekyrifleman, post: 1010372, member: 67984"] baker city, Maybe it is just a matter of looking for a second node at a slightly higher powder charge. I stopped at 46 grains because of the dramatic group size reduction. As the charges increased to 48 gr the group opened but stayed at or under 3/4". Also, my experience is limited with the Hornaday line of bullets, only to say that I have never had great results. My rifle just did not seem to like them, particularly the 139 gr SST in the light magnum loading. Never could get tight groups with my 7-08, 280, or 7mag. All the 139 gr SST. However, the Sierra 140 Pro Hunter was much better along with the 160 Game King as I have described. Velocity was always impressive with the LM loadings just lousy groups. To be fair, they were certainly good enough for hunting, just not as accurate as I could cobble together myself. I have stuck with the Sierra's ( Pro Hunters ) because of accuracy, performance and price. They have performed flawlessly in my 7 mag, 280, 7-08, and the 7X57. Over a velocity range of 2670 fps - 3100 fps and distances from 30 yds to 350 yds. One last comment, my rifle is throated for the 175 gr bullets. This allows me to seat the 140's and 160's no further than the base of the neck, which reduces jump and also slightly increases powder capacity. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
3 temp stable max loads for modern 7x57mm Mauser
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