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I did some more muzzle brake testing yesterday on a 300 win mag

I was pretty impressed with how well the 5 port Beast brake did. I'll probably do a test soon with a 243, 6.5 Creedmoor, and 308 Win without brakes to a 300wm and 338 Lapua with brakes to see how close the magnums compare to calibers without brakes. I might have to scale down the Super Beast for use with "Standard" magnums to see how it does also.
 
Here is the 338 Lapua test. I added weight to the counter weight of the sled so it would scale everything, including the shot without the brake, better but it bunches up the brakes too much. Next time I won't add weight. The Super Beast closed the gap quite well on the 5 port Beast. The test load is only 86gr of R-25 with a 300gr Sierra. The 300wm load was 76grs of H-1000. So with 10grs of extra powder it closes the gap pretty good on the 5 port Beast. I'm sure with a 338 Lapua shooting near 100grs of R-33/N570 or a 338 Lapua Imp on up through 375 Cheytac's and larger the Super Beast would shine. I might dig out my 338 Edge with the 99grs of R-33 load I shoot in it to see how it does.
 
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