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Rifles, Reloading, Optics, Equipment
Reloading
Magnetospeed V3/ load development.
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<blockquote data-quote="Timber338" data-source="post: 1065617" data-attributes="member: 33822"><p>I purchased a Magnetospeed V3 through the LRH store a while back and it works great. I've got a large 4-port muscle brake on my 338 RUM and zero problems. The brake just floats in the cutout in front of the blast shield. </p><p></p><p>My old crapper pro-chrono would only register shots about 75-80% of the time, and if a cloud came out and blocked the sun I would get a 100+ fps swing in velocity. Can't rely on data like that.</p><p></p><p>For load development I use the magnetospeed to get velocity data while I shoot increasing powder charges to max pressure. Then I do seating depth and powder tuning development without the magnetospeed. Once I've got my tightest groups I mount the magnetospeed again and get velocity/ES data for my dialed in load. That process seems to work great for me.</p></blockquote><p></p>
[QUOTE="Timber338, post: 1065617, member: 33822"] I purchased a Magnetospeed V3 through the LRH store a while back and it works great. I've got a large 4-port muscle brake on my 338 RUM and zero problems. The brake just floats in the cutout in front of the blast shield. My old crapper pro-chrono would only register shots about 75-80% of the time, and if a cloud came out and blocked the sun I would get a 100+ fps swing in velocity. Can't rely on data like that. For load development I use the magnetospeed to get velocity data while I shoot increasing powder charges to max pressure. Then I do seating depth and powder tuning development without the magnetospeed. Once I've got my tightest groups I mount the magnetospeed again and get velocity/ES data for my dialed in load. That process seems to work great for me. [/QUOTE]
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Magnetospeed V3/ load development.
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