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Rifles, Reloading, Optics, Equipment
Reloading
Other powder than H1000 for 7 LRM
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<blockquote data-quote="AZShooter" data-source="post: 1102210" data-attributes="member: 5219"><p>I have the slightly larger case, a 7mm/375 without the shoulder moved back like the LRM. I tried H-1000, US 869, Retumbo and RL-33 with 168 Berger hybrids. Didn't bother with the 180s because the rem 7 mag takeoff I rechambered is a 1 in 9.25 twist. The rifle really came alive with higher velocities and good accuracy with RL-33. With a 26" barrel and 86 gr of RL-33 I am getting 3268 fps.</p><p></p><p>Obviously your LRM will use less RL-33. I would start with a charge weight a few grains below the top load for Retumbo and work up from there. This approach has worked for a 6mm-284, 257 Weatherby, 300 RUM as well. Alliant may have made RL-33 but their load data is very limited.</p></blockquote><p></p>
[QUOTE="AZShooter, post: 1102210, member: 5219"] I have the slightly larger case, a 7mm/375 without the shoulder moved back like the LRM. I tried H-1000, US 869, Retumbo and RL-33 with 168 Berger hybrids. Didn't bother with the 180s because the rem 7 mag takeoff I rechambered is a 1 in 9.25 twist. The rifle really came alive with higher velocities and good accuracy with RL-33. With a 26" barrel and 86 gr of RL-33 I am getting 3268 fps. Obviously your LRM will use less RL-33. I would start with a charge weight a few grains below the top load for Retumbo and work up from there. This approach has worked for a 6mm-284, 257 Weatherby, 300 RUM as well. Alliant may have made RL-33 but their load data is very limited. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Other powder than H1000 for 7 LRM
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