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Long Range Hunting & Shooting
30 378 weatherby
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<blockquote data-quote="J E Custom" data-source="post: 1847421" data-attributes="member: 2736"><p>Yes, The numbers were measured On out recoil test machine (The accuracy is within less than 1 ft/lb) and not calculated, On my website, we have a Video of a test of a 338/378 that Is heavier than my 30/378 and it will give you a comparison of sorts, the efficiency is not as good because of the heavier bullet and less powder. also the brake was tuned for a different cartridge (A 338 Lapua) and not for the 338/378. The rifle owner would not let me take it off and tune it to his rifle after he shot it even though I told him I could get 3 or 4 more ft/lbs of reduction by tuning it to his rifle. but you can see the test machine used. I did not video the test with the 30/378 but It was less than 1 ft/lb difference than the calculated recoil.</p><p></p><p>The highest percentage of recoil reduction we ever got with a tuned brake was using a Weatherby Accumark in 30/378 and 180 grain bullets and 119 grains of 50 BMG.</p><p></p><p>Here is the Video of the 338/378.</p><p></p><p>[MEDIA=youtube]327beJrl5vU[/MEDIA]</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1847421, member: 2736"] Yes, The numbers were measured On out recoil test machine (The accuracy is within less than 1 ft/lb) and not calculated, On my website, we have a Video of a test of a 338/378 that Is heavier than my 30/378 and it will give you a comparison of sorts, the efficiency is not as good because of the heavier bullet and less powder. also the brake was tuned for a different cartridge (A 338 Lapua) and not for the 338/378. The rifle owner would not let me take it off and tune it to his rifle after he shot it even though I told him I could get 3 or 4 more ft/lbs of reduction by tuning it to his rifle. but you can see the test machine used. I did not video the test with the 30/378 but It was less than 1 ft/lb difference than the calculated recoil. The highest percentage of recoil reduction we ever got with a tuned brake was using a Weatherby Accumark in 30/378 and 180 grain bullets and 119 grains of 50 BMG. Here is the Video of the 338/378. [MEDIA=youtube]327beJrl5vU[/MEDIA] J E CUSTOM [/QUOTE]
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