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Rifles, Reloading, Optics, Equipment
Reloading
130 vs 150gr bullets for 270wby?
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<blockquote data-quote="Buffalobob" data-source="post: 80217" data-attributes="member: 8"><p>What throat did you get? Is it freebored?</p><p></p><p> To measure twist of the barrel get a really tight patch on your cleaning rod and mark the rod and push until it rotates one full turn and then mark it again. Measure the distance between marks in inches . You have to have an index mark to know when there is one full turn. Do this two of three times until you get consistent measurements.</p><p></p><p>I shot 150 gr Noslers partitions. They gave 1.0 inch 5 shot groups with 65.0 grains of IMR4350 and Fed 215 primers. Of course I was young back then so I added three more grains to that and got 100 fps more and the group size opened up a lot but they were good enough to whack an elk at 350 yds and go all they way through and exit but definitely not any groups size to brag about. Tihs was with a factory barrel Mark V.</p><p></p><p>Sometimes switching to Rem 91/2M primers will calm a Wby down.</p><p></p><p>Sometimes (I guess because of the freebore) a match type bullet will not group well at 100 yds but will deliver unbelievable good groups out a 300 yds and on. Look at your target holes carefully to see if there is still some dynamic yaw in the bullet. I only shot the 270 for that one elk hunt but I shoot the 7mm Wby a lot.</p><p></p><p>It may be just me, but I have always had the best group results with Hornady bullets in 7mm Wbys.</p><p></p><p>Finally, bullets do not like to jump down that long freebore and hit a big ole bunch of hard packed carbon. This really upsets them. Clean and clean and clean the barrel. </p><p></p><p>I would definitely keep working to find a 150 gr class bullet for elk.</p></blockquote><p></p>
[QUOTE="Buffalobob, post: 80217, member: 8"] What throat did you get? Is it freebored? To measure twist of the barrel get a really tight patch on your cleaning rod and mark the rod and push until it rotates one full turn and then mark it again. Measure the distance between marks in inches . You have to have an index mark to know when there is one full turn. Do this two of three times until you get consistent measurements. I shot 150 gr Noslers partitions. They gave 1.0 inch 5 shot groups with 65.0 grains of IMR4350 and Fed 215 primers. Of course I was young back then so I added three more grains to that and got 100 fps more and the group size opened up a lot but they were good enough to whack an elk at 350 yds and go all they way through and exit but definitely not any groups size to brag about. Tihs was with a factory barrel Mark V. Sometimes switching to Rem 91/2M primers will calm a Wby down. Sometimes (I guess because of the freebore) a match type bullet will not group well at 100 yds but will deliver unbelievable good groups out a 300 yds and on. Look at your target holes carefully to see if there is still some dynamic yaw in the bullet. I only shot the 270 for that one elk hunt but I shoot the 7mm Wby a lot. It may be just me, but I have always had the best group results with Hornady bullets in 7mm Wbys. Finally, bullets do not like to jump down that long freebore and hit a big ole bunch of hard packed carbon. This really upsets them. Clean and clean and clean the barrel. I would definitely keep working to find a 150 gr class bullet for elk. [/QUOTE]
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130 vs 150gr bullets for 270wby?
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