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Rifles, Reloading, Optics, Equipment
Reloading
0.008" Off versus Into the Lands --> 162 Amax
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<blockquote data-quote="Pdvdh" data-source="post: 383277" data-attributes="member: 4191"><p>280 RCBS Improved 30-Degree Shoulder</p><p>28" pencil-contoured Brux barrel on Rem M700 action</p><p>Lapua 30-06 brass necked down & fireformed to chamber</p><p>Federal 210M Primers</p><p>Hodgdon H1000 Powder</p><p>Hornady <strong>162gr Amax</strong></p><p></p><p><strong>295 Yards</strong>. Note that there was a bit of a gusting crosswind the first 175 yds down the range, reflected in horizontal spread.</p><p></p><p>Never experienced such a dramatic difference in group size by changing seating depths. However this is a very light contoured 28" Brux barrel. I must have caught the harmonically balanced node with the 0.008" Off the lands load. </p><p></p><p>The 4 green-outlined hits were with 62.2 grains H1000. Bullets jammed <u>0.008" <strong>Into</strong> the lands</u>. Vertical spread equals <strong><u>2 1/2</u></strong>".</p><p>Avg MV=2943 fps</p><p>ES= 19</p><p>SD=8</p><p></p><p>The 4 red-outlined hits were with 62.5 grains H1000. Bullets seated <u>0.008" <strong>Off</strong> the lands</u>. Vertical spread equals <strong><u>9/16</u></strong>". </p><p>Avg MV=2948 fps</p><p>ES=22</p><p>SD=9</p><p></p><p>These are the first two loads I've range-tested with the 162 gr Amax in this rifle. Both powder charges are about maximum pressure loads in my rifle. Load development with the 162gr Amax is complete. <strong><span style="font-size: 10px">0.008" Off the Lands!</span></strong></p><p></p><p><img src="http://i712.photobucket.com/albums/ww125/pdhorwath/0008Into_OffLands_162Amax_300yds.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="Pdvdh, post: 383277, member: 4191"] 280 RCBS Improved 30-Degree Shoulder 28" pencil-contoured Brux barrel on Rem M700 action Lapua 30-06 brass necked down & fireformed to chamber Federal 210M Primers Hodgdon H1000 Powder Hornady [B]162gr Amax[/B] [B]295 Yards[/B]. Note that there was a bit of a gusting crosswind the first 175 yds down the range, reflected in horizontal spread. Never experienced such a dramatic difference in group size by changing seating depths. However this is a very light contoured 28" Brux barrel. I must have caught the harmonically balanced node with the 0.008" Off the lands load. The 4 green-outlined hits were with 62.2 grains H1000. Bullets jammed [U]0.008" [B]Into[/B] the lands[/U]. Vertical spread equals [B][U]2 1/2[/U][/B]". Avg MV=2943 fps ES= 19 SD=8 The 4 red-outlined hits were with 62.5 grains H1000. Bullets seated [U]0.008" [B]Off[/B] the lands[/U]. Vertical spread equals [B][U]9/16[/U][/B]". Avg MV=2948 fps ES=22 SD=9 These are the first two loads I've range-tested with the 162 gr Amax in this rifle. Both powder charges are about maximum pressure loads in my rifle. Load development with the 162gr Amax is complete. [B][SIZE="2"]0.008" Off the Lands![/SIZE][/B] [IMG]http://i712.photobucket.com/albums/ww125/pdhorwath/0008Into_OffLands_162Amax_300yds.jpg[/IMG] [/QUOTE]
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Reloading
0.008" Off versus Into the Lands --> 162 Amax
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