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I do like the Thunderbeast can even though it's a dated model. One interesting fact I found with the 30-P1 is that I lost about 20 fps in speed with the can, which is converse of the SDN-6 that I have mounted on a .308. Just differences in designs I'm guessing.
Best 5 shot group with the CTR so far has been .13″ @ 100 yds with a 139 gr Scenar, 44.6 gr H4350 and LaPua brass (going about 2742fps).
