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CMMG Mutant-K (SBR) Muzzle Velocity & Accuracy Testing



Muzzle Velocity and Basic Accuracy Testing with the awesome CMMG Mutant MK47-K, SBR. We even tested the MV of the 16" carbine so we would know the difference between the two models.

• Original "World Premiere CMMG Mutant K Video" Here: •Website: •FaceBook: •Bigshooterist Challange Coins: •Caldwell Chronograph from