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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
7mm 175gr LRAB in 7RUM
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<blockquote data-quote="MMERSS" data-source="post: 900009" data-attributes="member: 63748"><p>Load data for 7RUM with RL-33 and temperature regression</p><p> </p><p> 7 RUM REM 700 action and factory Mag, 28" Lilja, 1-8"</p><p> </p><p> Nosler brass-3 shot group with LRAB 99 gr, one shot 100gr LRAB, 1 shot 101 gr LRAB, 5 shot group with Berger, Oehler 35P Chronograph</p><p> </p><p> 3472 fps, 175 LRAB 101gr RL-33, .1" jump: too hot showing ejector marks, .1" too long for REM 700 Mag </p><p> </p><p> 3428 fps, 175 LRAB 100gr RL-33, .2" jump, no pressure signs, OAL will fit in REM 700 Mag</p><p> </p><p> 3398 fps, 175 LRAB 99gr RL-33, .2" jump no pressure signs, OAL will fit in REM 700 Mag</p><p> </p><p> 3374 fps, 180 Hybrid Target, 42 degrees powder temp, 98.4gr RL-33 .2" jump, ES 34, OAL will fit in REM 700 Mag</p><p> </p><p> 3390 fps, 180 Hybrid Target, 92 degrees powder temp, 98.4gr RL-33, .2" jump, ES 40, OAL will fit in REM 700 Mag</p><p> </p><p> Temperature regression with limited testing shows approximately .3 fps per degree. With a high ES and only 5 samples results indicate no validity but rather potential.</p></blockquote><p></p>
[QUOTE="MMERSS, post: 900009, member: 63748"] Load data for 7RUM with RL-33 and temperature regression 7 RUM REM 700 action and factory Mag, 28” Lilja, 1-8” Nosler brass-3 shot group with LRAB 99 gr, one shot 100gr LRAB, 1 shot 101 gr LRAB, 5 shot group with Berger, Oehler 35P Chronograph 3472 fps, 175 LRAB 101gr RL-33, .1” jump: too hot showing ejector marks, .1” too long for REM 700 Mag 3428 fps, 175 LRAB 100gr RL-33, .2” jump, no pressure signs, OAL will fit in REM 700 Mag 3398 fps, 175 LRAB 99gr RL-33, .2” jump no pressure signs, OAL will fit in REM 700 Mag 3374 fps, 180 Hybrid Target, 42 degrees powder temp, 98.4gr RL-33 .2” jump, ES 34, OAL will fit in REM 700 Mag 3390 fps, 180 Hybrid Target, 92 degrees powder temp, 98.4gr RL-33, .2” jump, ES 40, OAL will fit in REM 700 Mag Temperature regression with limited testing shows approximately .3 fps per degree. With a high ES and only 5 samples results indicate no validity but rather potential. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
7mm 175gr LRAB in 7RUM
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