CMMG MK4 S 5.56MM Assault Rifle - The Mk4 S is the perfect rifle for the tree stand or target range. The Mk4 S utilizes an 18" 416 stainless steel medium taper barrel chambered in 5.56x45mm NATO and CMMG's RKM14 KeyMod hand guard. The rifle's KeyMod hand guard is ready to accept any number of the sling mounts, bi-pods and other KeyMod compatible accessories making the ultimate in versatility and modularity. Each rifle includes a magazine and CMMG's lifetime quality guarantee.
Manufacturer CMMG
SKU GAG_ES-0137940
Condition New in Box
Caliber 5.56
UPC 815835015453
Manufacturer Part Number 55A66E1

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Anyone figure out the twist rate on this? Very little information on the store site.

Edit: I looked it up on the never-buy-from vendor and it's a 1:7

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