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Rifles, Reloading, Optics, Equipment
Reloading
Suggestions on which powder/bullet combo to try?
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<blockquote data-quote="esshup" data-source="post: 218200" data-attributes="member: 11101"><p>I had a bit of free time on Saturday, so I was able to shoot the 168g VLD's w/H-1000 powder. Powder charge started @ 78.5 grains. Berger said to go to 83.0 max, but with no pressure signs I increased the powder to 85 in two steps, monitoring for any signs of excessive pressure, but the groups kept getting bigger, so I quit (the case was pretty full too!) At 85.0 g, there were no pressure signs.</p><p> </p><p>I was seating the bullets .250" into the brass, to try and get them closer to the lands. They still had a considerable jump even at that shallow seating depth. I shot one round @ 78.3 to condition the bore, then shot one more to confirm zero @ 100 Yds. All the testing was done @ 200 Yds. 90* temps, wind from 3 to 4 o'clock @ 6 to 8 mph. Elevation is 712, RH was 43% Baro was 29 something. No effort was made to compensate for wind.</p><p> </p><p>I started @ 78.5g, loaded 3 rounds, increased the powder by 1% loaded 3, etc., until I hit 83.0 grains. I then shot 1 round if 78.5g, 1 round @ 79.3g, etc. until I couldn't hold my hand on the barrel. After cooling I resumed the test and continued that procedure until all the bullets were gone. It took over 2 hours to shoot the test groups, but that's one of the advantages of shooting in your backyard.<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite2" alt=";)" title="Wink ;)" loading="lazy" data-shortname=";)" /></p><p> </p><p>Group size stayed pretty consistent 3/4 to 1 moa until I hit 82.5g. Then it shrunk to .512" wide by .212" high. It opened up after that to 3/4 to 1 moa and slowly got bigger as the powder charge increased.</p><p> </p><p>Pics will be posted tomorrow. I still have 2 different powders to test with the VLD's, then 3 different powders to test with the Accubonds. My buddy wanted the gun back to shoot it next weekend, so the testing will be on hold for 2 weeks.</p><p> </p><p>I didn't chrono any of the loads, and that load will be checked for speed, and re-shot to make sure that it wasn't a fluke. I'll vary the powder a bit to see how it affects the load.</p><p> </p><p>Who knows what the other combo's will show??</p><p> </p><p>Does anybody have a couple of 210g .308 Berger VLD's that they would part with? I'd like to check them in the magazine and see if it would be worthwile to buy a box to test in this gun. I'll gladly pay for them and shipping costs.</p></blockquote><p></p>
[QUOTE="esshup, post: 218200, member: 11101"] I had a bit of free time on Saturday, so I was able to shoot the 168g VLD's w/H-1000 powder. Powder charge started @ 78.5 grains. Berger said to go to 83.0 max, but with no pressure signs I increased the powder to 85 in two steps, monitoring for any signs of excessive pressure, but the groups kept getting bigger, so I quit (the case was pretty full too!) At 85.0 g, there were no pressure signs. I was seating the bullets .250" into the brass, to try and get them closer to the lands. They still had a considerable jump even at that shallow seating depth. I shot one round @ 78.3 to condition the bore, then shot one more to confirm zero @ 100 Yds. All the testing was done @ 200 Yds. 90* temps, wind from 3 to 4 o'clock @ 6 to 8 mph. Elevation is 712, RH was 43% Baro was 29 something. No effort was made to compensate for wind. I started @ 78.5g, loaded 3 rounds, increased the powder by 1% loaded 3, etc., until I hit 83.0 grains. I then shot 1 round if 78.5g, 1 round @ 79.3g, etc. until I couldn't hold my hand on the barrel. After cooling I resumed the test and continued that procedure until all the bullets were gone. It took over 2 hours to shoot the test groups, but that's one of the advantages of shooting in your backyard.;) Group size stayed pretty consistent 3/4 to 1 moa until I hit 82.5g. Then it shrunk to .512" wide by .212" high. It opened up after that to 3/4 to 1 moa and slowly got bigger as the powder charge increased. Pics will be posted tomorrow. I still have 2 different powders to test with the VLD's, then 3 different powders to test with the Accubonds. My buddy wanted the gun back to shoot it next weekend, so the testing will be on hold for 2 weeks. I didn't chrono any of the loads, and that load will be checked for speed, and re-shot to make sure that it wasn't a fluke. I'll vary the powder a bit to see how it affects the load. Who knows what the other combo's will show?? Does anybody have a couple of 210g .308 Berger VLD's that they would part with? I'd like to check them in the magazine and see if it would be worthwile to buy a box to test in this gun. I'll gladly pay for them and shipping costs. [/QUOTE]
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Suggestions on which powder/bullet combo to try?
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