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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
MCR Howa 308 OCW load test 165 IB
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<blockquote data-quote="zupatun" data-source="post: 420227" data-attributes="member: 3533"><p>I looked at the 46.9 and 46.1 rounds from the test. I could see one ejector mark and slight cratering. Here's a pic:<img src="http://i103.photobucket.com/albums/m149/zupatun/DSC01754.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>The factory rounds I used to sight in were similar--Federal 165gr (power point?). Bolt lift on both the factory and 46.9 grains took a little effort. Here's a pic: <img src="http://i103.photobucket.com/albums/m149/zupatun/DSC01752.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Strange thing is during barrel break-in I was using Winchester 150gr super X rounds and most all of them had much worse cratering, stiff bolt lift and very easily identifiable ejector marks on each round...got less towrd the last few rounds:<img src="http://i103.photobucket.com/albums/m149/zupatun/DSC01757.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Next step is to load some around 44.5 and around (below) 46.9 and see which groups better. I'll do this at the range (100yd) and then follow up with longer tests at 300+ on my piece of land I hunt.</p><p></p><p>On the bipod:</p><p><img src="http://i103.photobucket.com/albums/m149/zupatun/DSC01748.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="zupatun, post: 420227, member: 3533"] I looked at the 46.9 and 46.1 rounds from the test. I could see one ejector mark and slight cratering. Here's a pic:[IMG]http://i103.photobucket.com/albums/m149/zupatun/DSC01754.jpg[/IMG] The factory rounds I used to sight in were similar--Federal 165gr (power point?). Bolt lift on both the factory and 46.9 grains took a little effort. Here's a pic: [IMG]http://i103.photobucket.com/albums/m149/zupatun/DSC01752.jpg[/IMG] Strange thing is during barrel break-in I was using Winchester 150gr super X rounds and most all of them had much worse cratering, stiff bolt lift and very easily identifiable ejector marks on each round...got less towrd the last few rounds:[IMG]http://i103.photobucket.com/albums/m149/zupatun/DSC01757.jpg[/IMG] Next step is to load some around 44.5 and around (below) 46.9 and see which groups better. I'll do this at the range (100yd) and then follow up with longer tests at 300+ on my piece of land I hunt. On the bipod: [IMG]http://i103.photobucket.com/albums/m149/zupatun/DSC01748.jpg[/IMG] [/QUOTE]
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MCR Howa 308 OCW load test 165 IB
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