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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
INTRODUCING Accubond Long Range
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<blockquote data-quote="Michael Courtney" data-source="post: 713732" data-attributes="member: 28191"><p>We've learned that Trail Boss, Sr4759, and H4895 are useful for testing a wide range of impact velocities in gelatin for .308 bullets in either a .308 or 30-06 test platform. The longer bullets need the faster twist of 1 in 10" in the 30-06 to be stable at the lower velocities. For example, the chart below shows the muzzle velocities of a 200 grain bullet in our 30-06 test rifle for various loads across a wide range of desired impact velocities:</p><p></p><p><span style="color: #000000">Trail Boss (gr)</span> <span style="color: #000000">V (fps)</span></p><p><span style="color: #000000"></span><span style="color: #000000">15</span> <span style="color: #000000">999</span> </p><p><span style="color: #000000">16</span> <span style="color: #000000">1137</span> <span style="color: #000000"></span></p><p><span style="color: #000000">17</span> <span style="color: #000000">1169</span> </p><p><span style="color: #000000">18</span> <span style="color: #000000">1210</span> </p><p><span style="color: #000000">19</span> <span style="color: #000000">1146</span> </p><p></p><p><span style="color: #000000">Sr4759</span> </p><p><span style="color: #000000">18</span> <span style="color: #000000">1150</span> </p><p><span style="color: #000000">19</span> <span style="color: #000000">1236</span> </p><p><span style="color: #000000">20</span> <span style="color: #000000">1307</span> </p><p><span style="color: #000000">21</span> <span style="color: #000000">1401</span> </p><p><span style="color: #000000">22</span> <span style="color: #000000">1436</span> </p><p></p><p><span style="color: #000000">H4895</span> </p><p><span style="color: #000000">29</span> <span style="color: #000000">1465</span> </p><p><span style="color: #000000">31</span> <span style="color: #000000">1540</span> <span style="color: #000000"></span></p><p><span style="color: #000000">33</span> <span style="color: #000000">1644</span> <span style="color: #000000"></span></p><p><span style="color: #000000">35</span> <span style="color: #000000">1747</span> <span style="color: #000000"></span></p><p><span style="color: #000000">37</span> <span style="color: #000000">1890</span></p></blockquote><p></p>
[QUOTE="Michael Courtney, post: 713732, member: 28191"] We've learned that Trail Boss, Sr4759, and H4895 are useful for testing a wide range of impact velocities in gelatin for .308 bullets in either a .308 or 30-06 test platform. The longer bullets need the faster twist of 1 in 10" in the 30-06 to be stable at the lower velocities. For example, the chart below shows the muzzle velocities of a 200 grain bullet in our 30-06 test rifle for various loads across a wide range of desired impact velocities: [COLOR=#000000]Trail Boss (gr)[/COLOR] [COLOR=#000000]V (fps) [/COLOR][COLOR=#000000]15[/COLOR] [COLOR=#000000]999[/COLOR] [COLOR=#000000]16[/COLOR] [COLOR=#000000]1137[/COLOR] [COLOR=#000000] 17[/COLOR] [COLOR=#000000]1169[/COLOR] [COLOR=#000000]18[/COLOR] [COLOR=#000000]1210[/COLOR] [COLOR=#000000]19[/COLOR] [COLOR=#000000]1146[/COLOR] [COLOR=#000000]Sr4759[/COLOR] [COLOR=#000000]18[/COLOR] [COLOR=#000000]1150[/COLOR] [COLOR=#000000]19[/COLOR] [COLOR=#000000]1236[/COLOR] [COLOR=#000000]20[/COLOR] [COLOR=#000000]1307[/COLOR] [COLOR=#000000]21[/COLOR] [COLOR=#000000]1401[/COLOR] [COLOR=#000000]22[/COLOR] [COLOR=#000000]1436[/COLOR] [COLOR=#000000]H4895[/COLOR] [COLOR=#000000]29[/COLOR] [COLOR=#000000]1465[/COLOR] [COLOR=#000000]31[/COLOR] [COLOR=#000000]1540[/COLOR] [COLOR=#000000] 33[/COLOR] [COLOR=#000000]1644[/COLOR] [COLOR=#000000] 35[/COLOR] [COLOR=#000000]1747[/COLOR] [COLOR=#000000] 37[/COLOR] [COLOR=#000000]1890[/COLOR] [/QUOTE]
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INTRODUCING Accubond Long Range
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