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Rifles, Reloading, Optics, Equipment
Reloading
.300 WSM help
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<blockquote data-quote="Barrelnut" data-source="post: 945557" data-attributes="member: 74902"><p>Few thoughts:</p><p>H4350 would be a good try. H4350 is not temp sensitive in the range of temps you will be shooting and is very consistent.</p><p></p><p>Try different primers. Maybe Fed 210m and 215M if you can find them. Some use regular primers with the 300 WSM, but with low side of your temp expectations, I would stay away from them.</p><p></p><p>Berger 185 and 210 VLDS work well in the 300 WSM try working up a load seating them until they are just touching the lands. They almost always shoot good that way. Hopefully they will still fit in the mag that way, if not, you could single load for long range shots. </p><p></p><p>Also cutback on the RL-17 load. 66 gr is probably over max for the powder. I just use at most 64 gr of RL-17 with my 300 WSM load with 180 NBT. Try to find a lower node with less powder. Then, if you use a ballistics program, allocate 2 FPS per degree temperature change and see if your ballistics start to line up with the temperature changes. RL-17 is very temp sensitive. I proved that to myself just a few weeks ago.</p><p></p><p>Below are a couple easy 600 yard loads in in my 300 WSM</p><p></p><p>H4350 63 gr.</p><p>180 AB</p><p>fed210M</p><p>Norma brass</p><p>Seated .005 from lands</p><p></p><p>H4350 57 gr.</p><p>210 berger VLD</p><p>Fed 215M</p><p>Norma brass</p><p>seated to touch the lands</p></blockquote><p></p>
[QUOTE="Barrelnut, post: 945557, member: 74902"] Few thoughts: H4350 would be a good try. H4350 is not temp sensitive in the range of temps you will be shooting and is very consistent. Try different primers. Maybe Fed 210m and 215M if you can find them. Some use regular primers with the 300 WSM, but with low side of your temp expectations, I would stay away from them. Berger 185 and 210 VLDS work well in the 300 WSM try working up a load seating them until they are just touching the lands. They almost always shoot good that way. Hopefully they will still fit in the mag that way, if not, you could single load for long range shots. Also cutback on the RL-17 load. 66 gr is probably over max for the powder. I just use at most 64 gr of RL-17 with my 300 WSM load with 180 NBT. Try to find a lower node with less powder. Then, if you use a ballistics program, allocate 2 FPS per degree temperature change and see if your ballistics start to line up with the temperature changes. RL-17 is very temp sensitive. I proved that to myself just a few weeks ago. Below are a couple easy 600 yard loads in in my 300 WSM H4350 63 gr. 180 AB fed210M Norma brass Seated .005 from lands H4350 57 gr. 210 berger VLD Fed 215M Norma brass seated to touch the lands [/QUOTE]
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Reloading
.300 WSM help
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