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Rifles, Reloading, Optics, Equipment
Reloading
6.5X55 95 VMAX/RL-17 LOAD DEV
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<blockquote data-quote="benchracer" data-source="post: 1413710" data-attributes="member: 22069"><p>[ATTACH=full]92619[/ATTACH]</p><p>[ATTACH=full]92620[/ATTACH]</p><p></p><p>49.5 grains produced a group that looks pretty stable. It was interesting to me to note the waterline that appears @ 50.4 grains. The best group of the bunch appeared @ 51.0 grains. It measured .554 inches. The last group, @ 51.3 opened up to just under one inch.</p><p></p><p>NONE of my test loads showed pressure signs, though QL estimates my last two powder charges to be slightly above 65k psi. Here, again, I believe the strength of Lapua brass may well be the reason for this. I am not inclined to test any higher powder charges, despite the lack of pressure signs.</p><p></p><p>It is interesting to me that the best group of the load workup appeared right at what I consider to be my working max. This is consistent with how I have known RL-17 to behave.</p><p></p><p>NOTE: The upper left "impact" in the 51.3 group is just a drawn circle. During my testing, I placed one of the shots on a third target, adjacent to this one. Following testing, I located the errant shot in the group by overlaying the two targets and tracing the impact with a sharpie, to transfer it into the 51.3 group on the second target.</p></blockquote><p></p>
[QUOTE="benchracer, post: 1413710, member: 22069"] [ATTACH=full]92619[/ATTACH] [ATTACH=full]92620[/ATTACH] 49.5 grains produced a group that looks pretty stable. It was interesting to me to note the waterline that appears @ 50.4 grains. The best group of the bunch appeared @ 51.0 grains. It measured .554 inches. The last group, @ 51.3 opened up to just under one inch. NONE of my test loads showed pressure signs, though QL estimates my last two powder charges to be slightly above 65k psi. Here, again, I believe the strength of Lapua brass may well be the reason for this. I am not inclined to test any higher powder charges, despite the lack of pressure signs. It is interesting to me that the best group of the load workup appeared right at what I consider to be my working max. This is consistent with how I have known RL-17 to behave. NOTE: The upper left "impact" in the 51.3 group is just a drawn circle. During my testing, I placed one of the shots on a third target, adjacent to this one. Following testing, I located the errant shot in the group by overlaying the two targets and tracing the impact with a sharpie, to transfer it into the 51.3 group on the second target. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
6.5X55 95 VMAX/RL-17 LOAD DEV
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