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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Stuck on caliber decision - input appreciated
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<blockquote data-quote="elkaholic" data-source="post: 1278165" data-attributes="member: 13833"><p>First of all, you would have an issue in the Savage with the Sherman coal. You would need 3.5" range for most of the Sherman long action rounds.</p><p>The first Sherman WAS a 6.5 and was built after killing some 25 bull elk with an A.I. in 6.5. After burning out the 2nd barrel, I decided to build a Gibbs to get even more oomph. By taking one look at the case and finding the neck looked like Shreks, NONE, I decided to build my own design. The Sherman is a combination of the two which includes the best of both; the capacity of the Gibbs with a lot of Ackleys case design with less body taper. The result was an operating range of 3200' with the 140's and 3000 with 160's.</p><p>I will use the 300 Sherman as a comparison because I am familiar with them. You could make the same comparison between the 6.5 and 300 WM if you want. Here is some data using top useable velocity in both. I will use the 143 eldx compared to the 212 eldx. The 212 has a little edge in b.c. so it will be favored a little in comparison.</p><p></p><p> 1000 yard data</p><p>6.5 mv=3200 19.8 moa @1000 4.5 moa Wind@10mph 1941 vel.@1000 1196 lbs.</p><p>300 mv=2950 23.6 moa @1000 4.9 moa wind@10mph 1782 vel@1000 1495 lbs.</p><p></p><p>As you can see, the 6.5 shines in every area except ft. lbs. and the frontal area of the 300 bullet is also some advantage.</p><p>As a side note, you can run the 215 Berger at 2950 and gain some of the advantage back to the 300.</p><p>Hope this helps!........Rich</p><p></p><p>As Rhian mentioned, if it's a hammer you like, the 338 at over 2800 with a 250 Berger should really open some eyes!</p><p>Untested, but pretty sure of velocity.</p></blockquote><p></p>
[QUOTE="elkaholic, post: 1278165, member: 13833"] First of all, you would have an issue in the Savage with the Sherman coal. You would need 3.5" range for most of the Sherman long action rounds. The first Sherman WAS a 6.5 and was built after killing some 25 bull elk with an A.I. in 6.5. After burning out the 2nd barrel, I decided to build a Gibbs to get even more oomph. By taking one look at the case and finding the neck looked like Shreks, NONE, I decided to build my own design. The Sherman is a combination of the two which includes the best of both; the capacity of the Gibbs with a lot of Ackleys case design with less body taper. The result was an operating range of 3200' with the 140's and 3000 with 160's. I will use the 300 Sherman as a comparison because I am familiar with them. You could make the same comparison between the 6.5 and 300 WM if you want. Here is some data using top useable velocity in both. I will use the 143 eldx compared to the 212 eldx. The 212 has a little edge in b.c. so it will be favored a little in comparison. 1000 yard data 6.5 mv=3200 19.8 moa @1000 4.5 moa Wind@10mph 1941 vel.@1000 1196 lbs. 300 mv=2950 23.6 moa @1000 4.9 moa wind@10mph 1782 vel@1000 1495 lbs. As you can see, the 6.5 shines in every area except ft. lbs. and the frontal area of the 300 bullet is also some advantage. As a side note, you can run the 215 Berger at 2950 and gain some of the advantage back to the 300. Hope this helps!........Rich As Rhian mentioned, if it's a hammer you like, the 338 at over 2800 with a 250 Berger should really open some eyes! Untested, but pretty sure of velocity. [/QUOTE]
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Stuck on caliber decision - input appreciated
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