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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Rumored new 7mm 175 SMK
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<blockquote data-quote="DMCI" data-source="post: 29254" data-attributes="member: 1730"><p>MM:</p><p></p><p>I am currently having built a long range target/varmint rifle in Win 7mm WSM. I will certainly give those rounds a try when they become generally available. My 6.5 rifles really like the SMK bullets at 120 and 140.</p><p></p><p>We contacted Mr. Lilja, and his recommendation for the 176 and 180 7mm both with BC pushing .700, was for his 1/10 twist barrel.</p><p></p><p>Here are some of the specifics for that weapon:</p><p></p><p> <BLOCKQUOTE><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><HR> Model 70 WSM Controlled Feed Action</p><p>7mm WSM - SHORT/FAT case technology</p><p>Barnes or Cartarucio Heavy VLD Bullets</p><p>Lilja Three Groove Rifle Barrel with 1/10 twist</p><p>New McMillan A5 Tactical Stock for M70 Winchester short action.</p><p>Pillar Bedding</p><p>Jewel Match trigger with 1 pound kit.</p><p>Winchester cases w/F215M and WLR Primers and initially at least VV N165 Powder.</p><p></p><p>and for optics:</p><p></p><p>The USO SN-3 ERGO 3.2-17x44/58 with 30mm tube and with the Horus H-25 reticle.</p><p></p><p>Additional equipment includes:</p><p></p><p>PALM w/Atrag Software, Weather station, and Leica 1000 yard Range finder.</p><p></p><p>Performance:</p><p></p><p>The 7mm WSM is capable of hurling the 176 Cartarucio VLD or the 180 Barnes VLD bullet (both with BC. roughly .700) at velocities approaching (or possibly exceeding) 2900fps.</p><p></p><p>My PC based ATRAG1S5 software predicts that when sighted in at 100 yards, this round at 2850fps 176 Cartarucio VLD ) should reach 1000 yards with 25.3 moa of come up or 7.4 MILS. This would be line 7.4 on the Horus reticle.</p><p></p><p>Interestingly, a 10mph cross wind would require a in-wind hold of 1.5 mils at this range or a total of 5.2moa.</p><p></p><p>Switching to 600 yard range, these holds would be at line 3.3 with .8 mils of wind hold. This translates into 11.3 and 2.9 moa respectively. This last result means that the rifle can get to 600 yards in just under 1 turn of the .25 moa knob. With these parameters, line 14 gets us to 1460 yards with a wind hold of just 2.5 mils.</p><p></p><p> <HR></BLOCKQUOTE></p><p></p><p><a href="http://www.westcoasttactical.com/dmci/index.htm" target="_blank">http://www.westcoasttactical.com/dmci/index.htm</a></p><p></p><p>[ 11-07-2003: Message edited by: DMCI ]</p></blockquote><p></p>
[QUOTE="DMCI, post: 29254, member: 1730"] MM: I am currently having built a long range target/varmint rifle in Win 7mm WSM. I will certainly give those rounds a try when they become generally available. My 6.5 rifles really like the SMK bullets at 120 and 140. We contacted Mr. Lilja, and his recommendation for the 176 and 180 7mm both with BC pushing .700, was for his 1/10 twist barrel. Here are some of the specifics for that weapon: <BLOCKQUOTE><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><HR> Model 70 WSM Controlled Feed Action 7mm WSM - SHORT/FAT case technology Barnes or Cartarucio Heavy VLD Bullets Lilja Three Groove Rifle Barrel with 1/10 twist New McMillan A5 Tactical Stock for M70 Winchester short action. Pillar Bedding Jewel Match trigger with 1 pound kit. Winchester cases w/F215M and WLR Primers and initially at least VV N165 Powder. and for optics: The USO SN-3 ERGO 3.2-17x44/58 with 30mm tube and with the Horus H-25 reticle. Additional equipment includes: PALM w/Atrag Software, Weather station, and Leica 1000 yard Range finder. Performance: The 7mm WSM is capable of hurling the 176 Cartarucio VLD or the 180 Barnes VLD bullet (both with BC. roughly .700) at velocities approaching (or possibly exceeding) 2900fps. My PC based ATRAG1S5 software predicts that when sighted in at 100 yards, this round at 2850fps 176 Cartarucio VLD ) should reach 1000 yards with 25.3 moa of come up or 7.4 MILS. This would be line 7.4 on the Horus reticle. Interestingly, a 10mph cross wind would require a in-wind hold of 1.5 mils at this range or a total of 5.2moa. Switching to 600 yard range, these holds would be at line 3.3 with .8 mils of wind hold. This translates into 11.3 and 2.9 moa respectively. This last result means that the rifle can get to 600 yards in just under 1 turn of the .25 moa knob. With these parameters, line 14 gets us to 1460 yards with a wind hold of just 2.5 mils. <HR></BLOCKQUOTE> [url="http://www.westcoasttactical.com/dmci/index.htm"]http://www.westcoasttactical.com/dmci/index.htm[/url] [ 11-07-2003: Message edited by: DMCI ] [/QUOTE]
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Rumored new 7mm 175 SMK
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