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Rifles, Reloading, Optics, Equipment
Reloading
best powder for 270WSM 130-140gr
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<blockquote data-quote="winmag" data-source="post: 409842" data-attributes="member: 22166"><p>My pet load is 62 gr RL-19 under a 140gr Accubond, .015 off the lands with a Fed. 215mag primer.</p><p>I started load development with 61gr and loaded all the way up to 64gr, but 62 was the most accurate. Not to mention the velocities far surpassed IMR4831.</p><p> </p><p>I load for 3, 270wsm's and all three like between 61-63gr RL-19 and 140 Accubonds, more than any other load combo Ive tried. All 3 are Model-70's, and all 3 shoot sub moa groups.</p><p>61-64gr of RL-19 should get you around 31-3200fps+ with a 24'' pipe depending on elevation. My rifle will shoot 64gr (89% load density) but it will only group 4 out of 5 shots sub moa, and primers are slightly flattened. With 62gr all 5 are .6'' groups, and smaller (best to date is .3, 5 shot group) and 0 pressure signs even in 96 degree heat. This is handy because I hunt the brakes of the Snake River in August where temps can soar to 115 degrees plus during August bear season. At 5000' and less, 5-600yds equals a dead elk even in temps in the minus teens.</p><p>At 8000ft+ that range extends considerably. Bigngreen has some very helpfull info on velocity, and kinettic energy at that elevation, But remember he's shootin' full throttle loads. Hammer down, and balls out, he's crankin on it(3300+fps!). Not all rifles will handle his loads without serious risk of injury to the shooter and or the firearm. He's nutts, but he knows his rifle intimately, and has worked up to his loads carefully.</p></blockquote><p></p>
[QUOTE="winmag, post: 409842, member: 22166"] My pet load is 62 gr RL-19 under a 140gr Accubond, .015 off the lands with a Fed. 215mag primer. I started load development with 61gr and loaded all the way up to 64gr, but 62 was the most accurate. Not to mention the velocities far surpassed IMR4831. I load for 3, 270wsm's and all three like between 61-63gr RL-19 and 140 Accubonds, more than any other load combo Ive tried. All 3 are Model-70's, and all 3 shoot sub moa groups. 61-64gr of RL-19 should get you around 31-3200fps+ with a 24'' pipe depending on elevation. My rifle will shoot 64gr (89% load density) but it will only group 4 out of 5 shots sub moa, and primers are slightly flattened. With 62gr all 5 are .6'' groups, and smaller (best to date is .3, 5 shot group) and 0 pressure signs even in 96 degree heat. This is handy because I hunt the brakes of the Snake River in August where temps can soar to 115 degrees plus during August bear season. At 5000' and less, 5-600yds equals a dead elk even in temps in the minus teens. At 8000ft+ that range extends considerably. Bigngreen has some very helpfull info on velocity, and kinettic energy at that elevation, But remember he's shootin' full throttle loads. Hammer down, and balls out, he's crankin on it(3300+fps!). Not all rifles will handle his loads without serious risk of injury to the shooter and or the firearm. He's nutts, but he knows his rifle intimately, and has worked up to his loads carefully. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
best powder for 270WSM 130-140gr
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