Calibers: 6.5 Creedmoor, 308 Win. Common features of the “Executive Order” rifles include Bartlein-blank stainless steel barrels or Proof Research carbon-fiber-wrapped barrels in 16” or 20”. Geissele Super Dynamic Enhanced (SD-E) two-stage trigger. NEMO-patented recoil-reducing bolt carrier. XO Carbon Exclusive is 38.5” long, 8.2 lbs. XO Steel 16 carbine has a 16” barrel, 34.25” long, 8.2 lbs. Values are for the XO Steel 6.5 CM, 22” model. Add 22% for the XO Steel 16 and XO Carbon 308, 20” variants. SEE POLITICAL PANIC PRICING.