Calibers: 5.56x45mm, 22 ARC, 6.5 Creedmoor, 308 Win. Longer and heavier (18”, 20”) stainless barrels compared to Resolute line. Platforms: Mk3, Mk4. Lengths start at 37.8” for 18” barrel length, weight 7 lbs. Value listed below if for the 5.56 18” and 22 ARC 20” variants. Add 18% for the MK3 6.5 CM and 308 Win 20” variants. SEE POLITICAL PANIC PRICING.