From his M39 video he says the black triangle is 3x3x3”, so you can work out a group on that size and the type of target. The ammunition is not factory but handloads of 308 PPU brass, 155rg Nosler CC heads with 44.5 gr 8208 XBR powder. No mention of primer but I would imagine CCI 200 is standard. Mv 2800fps is nato L2A2.
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