Lucas Botkin of T.REX ARMS explains that 'match grade' is often a marketing term with a nebulous definition in modern firearms, contrasting it with its historical meaning tied to specific competitive shooting standards like the CMP M1 Garand National Matches. He suggests that for most civilian applications, the term lacks objective performance benchmarks.
This video tests the accuracy of Atomic .308 subsonic ammunition (175gr HPBT) from a factory Sig Sauer Cross rifle with a Dead Air Sandman-K suppressor. At 50 yards, the rifle achieved a 0.3-inch group (approx. 0.5 MOA), demonstrating impressive precision. However, at 100 yards, the group expanded to around 2 inches with a significant drop, potentially due to optic limitations like parallax and a fixed reticle not optimized for subsonic .308. The instructor plans a follow-up test with a dedicated precision rifle scope.
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