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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Range Report: 6.5x47 Lapua, 140 gr bullets and Rel 17
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<blockquote data-quote="Alan Griffith" data-source="post: 390833" data-attributes="member: 4686"><p>Ran a little test today. I'm having a Lt weight hunting rifle built by Chris Matthews of Longshot Rifles <a href="http://www.longshotriflesllc.com/" target="_blank">http://www.longshotriflesllc.com/</a> , possibly in 6.5x47 Lapua or 260 Rem AI and wanted to see what a 140 gr bullet with Rel 17 would do. So, I took my tactical rifle, also built by Chris, and ran a pressure ladder with it. </p><p></p><p>Surgeon 591 short action</p><p>Krieger 26" 1:8.5 twist, SS, MTU contour</p><p>1.5 AICS stock</p><p>NF NXS 5.5-22x50 w/ NP-R1 reticle</p><p>Shilen 2lb trigger</p><p></p><p>6.5x47 Lapua brass w/ 5x firings</p><p>Berger 140 VLD Hunting</p><p>Nosler 140 Accubond</p><p></p><p>37 gr to 43 gr in .5 gr increments (42.5 gr w/ Accubond due to mucho compression)</p><p>CCI 450 primer</p><p>Throat started life @ .105" long but after 700+ rounds is now .161" long.</p><p></p><p>Temp 57 deg F</p><p>Baro 24.6</p><p>Chrono = CED M2 set 15' from muzzle</p><p></p><p>140 VLD's were seated .010" into the lands with OAL being 2.797".</p><p></p><p>140 Accubond's were seated @ the lands with OAL being 2.698". Had to turn down my Redding comp seater about .005" for each successive round after 39.5 gr.</p><p></p><p>37 2521 </p><p>37.5 2533 </p><p>38 2587</p><p>38.5 2614 </p><p>39 2647 </p><p>39.5 2682 </p><p>40 2707 </p><p>40.5 2770 </p><p>41 2814 ? ejector mark</p><p>41.5 2863 Light ejec</p><p>42 2910 Light ejec</p><p>42.5 2922 ejec</p><p>43 2962 ejec/bolt lift</p><p></p><p>Pressure ladder test for Rel 17 </p><p>Nosler 140 Accubond </p><p>37 2513 </p><p>37.5 2537 </p><p>38 2569 </p><p>38.5 2612 </p><p>39 2634 </p><p>39.5 2682 </p><p>40 2716 ?ejec</p><p>40.5 2760 </p><p>41 2770 </p><p>41.5 2834 Lt ejec</p><p>42 2863 ejec</p><p>42.5 2910 ejec</p><p></p><p>I was pleasantly surprised @ the vel obtained in the little x47mm case with Rel 17. I think I'll hunt with it instead of going 260 Rem AI.</p><p></p><p>Enjoy!</p><p></p><p>Alan</p></blockquote><p></p>
[QUOTE="Alan Griffith, post: 390833, member: 4686"] Ran a little test today. I'm having a Lt weight hunting rifle built by Chris Matthews of Longshot Rifles [url]http://www.longshotriflesllc.com/[/url] , possibly in 6.5x47 Lapua or 260 Rem AI and wanted to see what a 140 gr bullet with Rel 17 would do. So, I took my tactical rifle, also built by Chris, and ran a pressure ladder with it. Surgeon 591 short action Krieger 26" 1:8.5 twist, SS, MTU contour 1.5 AICS stock NF NXS 5.5-22x50 w/ NP-R1 reticle Shilen 2lb trigger 6.5x47 Lapua brass w/ 5x firings Berger 140 VLD Hunting Nosler 140 Accubond 37 gr to 43 gr in .5 gr increments (42.5 gr w/ Accubond due to mucho compression) CCI 450 primer Throat started life @ .105" long but after 700+ rounds is now .161" long. Temp 57 deg F Baro 24.6 Chrono = CED M2 set 15' from muzzle 140 VLD's were seated .010" into the lands with OAL being 2.797". 140 Accubond's were seated @ the lands with OAL being 2.698". Had to turn down my Redding comp seater about .005" for each successive round after 39.5 gr. 37 2521 37.5 2533 38 2587 38.5 2614 39 2647 39.5 2682 40 2707 40.5 2770 41 2814 ? ejector mark 41.5 2863 Light ejec 42 2910 Light ejec 42.5 2922 ejec 43 2962 ejec/bolt lift Pressure ladder test for Rel 17 Nosler 140 Accubond 37 2513 37.5 2537 38 2569 38.5 2612 39 2634 39.5 2682 40 2716 ?ejec 40.5 2760 41 2770 41.5 2834 Lt ejec 42 2863 ejec 42.5 2910 ejec I was pleasantly surprised @ the vel obtained in the little x47mm case with Rel 17. I think I'll hunt with it instead of going 260 Rem AI. Enjoy! Alan [/QUOTE]
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Range Report: 6.5x47 Lapua, 140 gr bullets and Rel 17
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