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Long Range Hunting & Shooting
Improving the 308 Win performance
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<blockquote data-quote="nralifer" data-source="post: 2831453" data-attributes="member: 94556"><p>This post shows an optimized 3006 load shot from a long 28" barrel, high energy double base powder in a non-standard chamber. It does not represent a standard 3006 load or chambering. Nevertheless the post is analogous to what I was trying to illustrate in the 308 Win. Your data is very nice and illustrates how much additional performance can be squeezed out the 3006 when powder and chambering are optimized along with a high quality bullet. You could further optimize it by using a lighter bullet (205 gr .308 SBD2) shot from tighter 1:8 twist barrel. The 205 gr bullet has significantly higher BC roughly equivalent to the 230 gr Berger. The 308Win loads I was talking about used a barrel 4" shorter and more suitable for hunting because of the more compact rig. The comparison of the 308Win to the 3006 was data from a production rifle using lower energy powders in the 3006 published data from the 2021 Hodgdon Annual Manual. The optimization of the 308 Win was using a 175 gr BD2 (G1=0.605) bullet, Lapua Palma brass that can withstand higher pressure because of the SRP primer, and the high energy Leverevolution powder. Both your data and mine illustrate the same point, that being that a significant amount of additional performance can be unlocked from either cartridge when component selection is optimized.</p></blockquote><p></p>
[QUOTE="nralifer, post: 2831453, member: 94556"] This post shows an optimized 3006 load shot from a long 28” barrel, high energy double base powder in a non-standard chamber. It does not represent a standard 3006 load or chambering. Nevertheless the post is analogous to what I was trying to illustrate in the 308 Win. Your data is very nice and illustrates how much additional performance can be squeezed out the 3006 when powder and chambering are optimized along with a high quality bullet. You could further optimize it by using a lighter bullet (205 gr .308 SBD2) shot from tighter 1:8 twist barrel. The 205 gr bullet has significantly higher BC roughly equivalent to the 230 gr Berger. The 308Win loads I was talking about used a barrel 4” shorter and more suitable for hunting because of the more compact rig. The comparison of the 308Win to the 3006 was data from a production rifle using lower energy powders in the 3006 published data from the 2021 Hodgdon Annual Manual. The optimization of the 308 Win was using a 175 gr BD2 (G1=0.605) bullet, Lapua Palma brass that can withstand higher pressure because of the SRP primer, and the high energy Leverevolution powder. Both your data and mine illustrate the same point, that being that a significant amount of additional performance can be unlocked from either cartridge when component selection is optimized. [/QUOTE]
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Improving the 308 Win performance
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