The H in 316H stands for heavy barrel. The M4 barrel in echo model and medium barrel {316M model} are both chrome moly vanadium and thin, pencil barrel on the sport model is melonite. I'm assuming heavy barrel is chrome moly also. Correct?

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Steve P. · Answer

Hi Michael, This comes with a Manganese Phosphated CMV heavy barrel with 1×9 twist

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The H in 316H stands for heavy barrel. The M4 barrel in echo model and medium barrel {316M model} are both chrome moly vanadium and thin, pencil barrel on the sport model is melonite. I'm assuming heavy barrel is chrome moly also. Correct?