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	<title>Daily Bulletin &#187; Cheetah</title>
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		<title>The &#8220;Long Dasher&#8221; Cartridge, Plus a Trick Rangefinder Mount</title>
		<link>https://bulletin.accurateshooter.com/2015/04/the-long-dasher-cartridge-plus-a-trick-rangefinder-mount/</link>
		<comments>https://bulletin.accurateshooter.com/2015/04/the-long-dasher-cartridge-plus-a-trick-rangefinder-mount/#comments</comments>
		<pubDate>Sun, 19 Apr 2015 15:03:03 +0000</pubDate>
		<dc:creator><![CDATA[Editor]]></dc:creator>
				<category><![CDATA[Hunting/Varminting]]></category>
		<category><![CDATA[Optics]]></category>
		<category><![CDATA[Reloading]]></category>
		<category><![CDATA[6.5x47 Lapua]]></category>
		<category><![CDATA[Cheetah]]></category>
		<category><![CDATA[Dave Kiff]]></category>
		<category><![CDATA[Long Dasher]]></category>
		<category><![CDATA[LRF]]></category>
		<category><![CDATA[Rangefinder]]></category>
		<category><![CDATA[varmint hunting]]></category>

		<guid isPermaLink="false">http://bulletin.accurateshooter.com/?p=56294</guid>
		<description><![CDATA[Forum member Scott S. (Sunbuilder) has built a sweet long-range varminter based on the 6.5&#215;47 Lapua cartridge necked down to 6mm and then improved to 40 degrees, with slightly less body taper. Scott tells us that &#8220;improving the case adds about 2.0 grains to the case capacity&#8221;. This allows Scott to run the 103-108gr bullets [&#8230;]]]></description>
				<content:encoded><![CDATA[<p>Forum member Scott S. (Sunbuilder) has built a sweet long-range varminter based on the 6.5&#215;47 Lapua cartridge necked down to 6mm and then improved to 40 degrees, with slightly less body taper. Scott tells us that &#8220;improving the case adds about 2.0 grains to the case capacity&#8221;. This allows Scott to run the 103-108gr bullets at well over 3100 fps, with no pressure issues. Scott calls his Improved case a &#8220;Long Dasher&#8221;, a name suggested by Dave Kiff of <a href="http://www.pacifictoolandgauge.com/" target="new">Pacific Tool &amp; Gauge</a>.</p>
<p><img src="http://accurateshooter.net/Blog/sunbuilder1x350.jpg"></p>
<p><b>6-6.5&#215;47 Improved Works Well with Many Powders</b><br />
Scott&#8217;s 6-6.5&#215;47 Lapua Improved varmint rifle features a Stiller Diamondback action, Lilja 30&#8243; 8-twist barrel, Richard Franklin stock, and a NightForce 8-32&#215;56 NXS. Scott has had excellent success &#8212; his two longest groundhog hits were at 778 and 810 yards. Scott has tested many powders with his 6-6.5&#215;47 wildcat: &#8220;I tried several powders (H4350, N160, N560, H4831sc), and primers (CCI 450, BR4, Rem 7 1/2, Fed 205Ms). I got better velocity with H4350, but my barrel likes the N160. I did find a [high-speed] node with H4350. The increased velocity potential of this cartridge is partially due to the slightly increased case capacity. The load I am shooting now is 40.5gr N160, Berger 105gr Match BT, .010&#8243; jam, CCI BR4, .002&#8243; neck tension at 3115 fps. This has an ES under 15 fps, and it will group under 2&#8243; at 500 yards if conditions hold. This &#8216;Long Dasher&#8217; (6-6.5&#215;47) seems to have a lot of potential (and that&#8217;s an understatement).&#8221;</p>
<p><img src="http://accurateshooter.net/Blog/sunbuild02.jpg"></p>
<p><b>A Better Mount for the Spotter and Rangefinder</b><br />
Scott designed and fabricated a very slick set-up to hold his Zeiss spotting scope and Leica CRF RangeFinder. He&#8217;s built a combo bracket that holds both units rock steady, with a parallel line of sight (same axis and elevation). Smart. Very smart. Scott explains: &#8220;I built a mount to connect my rangefinder to my spotting scope. The mount can be adjusted, so the spotting scope and rangefinder are both centered on the same object. The only way I have found to get repeatable long-range readings is to make them from a stable base.&#8221; Scott, we think you&#8217;ve got a winner here with your innovative and clever design.</p>
<p><img src="http://accurateshooter.net/pix/sunbuilder1501.jpg" alt="sunbuilder spotting scope rangefinder mount"></p>
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