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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Gunwerks 7 LRM???
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<blockquote data-quote="trophyhunter170" data-source="post: 869445" data-attributes="member: 30392"><p>Hello 308 Norma Magnum,</p><p></p><p>This is my opinion, between the 2 cases you chose I would go with the 7 LRM. Much better case design than the 7 STW and would be much more efficient. I don't know a lot about the 7 LRM but everything I have seen about it looks positive.</p><p></p><p>Another idea to consider is a 7mm Dakota. I designed a 7MM Dakota Imp. reamer that basically uses a 300 Dakota case. Powder capacity is 77.5 to 83.5 Grains of Retumbo and 75.5 to 81.5 of H1000 with velocities from 3060 to 3,260 in my rifle which has a 26 inch tube. I use the 177.5 Caurterucio bullets. The Berger 180's are around 30 fps slower dew to bearing surface. It shoots consistently in the mid 2's at 100 yds. and the groups at 800 yds. are so good I am not going to tell you because I will be accused of lying. LOL</p><p></p><p>The case is very simple to make. I turn the necks on the 300 dakota case and then form the case to the new dimensions. I have Neal Jones custom dies, so once I form the case I am ready to load and shoot. I set the sizing die so I have a little resistance when I close the bolt. For working up loads I do not fire form but for my long range hunting rounds I do use a fire formed case. Pacific Tool and Gauge has this reamer drawing if you are interested. It is print # 38107, 7MM Dakota Improved. </p><p></p><p>Good luck in your decision and good shooting.</p></blockquote><p></p>
[QUOTE="trophyhunter170, post: 869445, member: 30392"] Hello 308 Norma Magnum, This is my opinion, between the 2 cases you chose I would go with the 7 LRM. Much better case design than the 7 STW and would be much more efficient. I don't know a lot about the 7 LRM but everything I have seen about it looks positive. Another idea to consider is a 7mm Dakota. I designed a 7MM Dakota Imp. reamer that basically uses a 300 Dakota case. Powder capacity is 77.5 to 83.5 Grains of Retumbo and 75.5 to 81.5 of H1000 with velocities from 3060 to 3,260 in my rifle which has a 26 inch tube. I use the 177.5 Caurterucio bullets. The Berger 180's are around 30 fps slower dew to bearing surface. It shoots consistently in the mid 2's at 100 yds. and the groups at 800 yds. are so good I am not going to tell you because I will be accused of lying. LOL The case is very simple to make. I turn the necks on the 300 dakota case and then form the case to the new dimensions. I have Neal Jones custom dies, so once I form the case I am ready to load and shoot. I set the sizing die so I have a little resistance when I close the bolt. For working up loads I do not fire form but for my long range hunting rounds I do use a fire formed case. Pacific Tool and Gauge has this reamer drawing if you are interested. It is print # 38107, 7MM Dakota Improved. Good luck in your decision and good shooting. [/QUOTE]
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Gunwerks 7 LRM???
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