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Rifles, Reloading, Optics, Equipment
Reloading
Hot Load?
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<blockquote data-quote="bgouin" data-source="post: 792680" data-attributes="member: 5625"><p>I have had excellent accuracy with hand loads that were most likely also hand grenades. I am talking really too hot. I also noticed on these loads that as I increased the powder charge the velocity change began to flatten or go negative. For example I would observe a 40-50 fps change for every one additional grain of powder in the normal range followed by a 5-15 fps change per grain of powder, followed by a drop in velocity with the next grain of powder. This happened twice. The first time was with a 340 weatherby and the second with a 7 mm Ultra. in both cases the accruacy was outstanding with the hottest load. As powder charge is increased, accuracy nodes are often observed. I had to back off on my powder charge to the last accuracy node. </p><p></p><p>Also my primers look like yours even from factory ammo. Brass flow is a good indicator of high pressure as is primer condition, bolt lift, and others. Stop when you see any high pressure indicator and back off. You did the right thing.</p></blockquote><p></p>
[QUOTE="bgouin, post: 792680, member: 5625"] I have had excellent accuracy with hand loads that were most likely also hand grenades. I am talking really too hot. I also noticed on these loads that as I increased the powder charge the velocity change began to flatten or go negative. For example I would observe a 40-50 fps change for every one additional grain of powder in the normal range followed by a 5-15 fps change per grain of powder, followed by a drop in velocity with the next grain of powder. This happened twice. The first time was with a 340 weatherby and the second with a 7 mm Ultra. in both cases the accruacy was outstanding with the hottest load. As powder charge is increased, accuracy nodes are often observed. I had to back off on my powder charge to the last accuracy node. Also my primers look like yours even from factory ammo. Brass flow is a good indicator of high pressure as is primer condition, bolt lift, and others. Stop when you see any high pressure indicator and back off. You did the right thing. [/QUOTE]
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Hot Load?
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