Gray Ops CNC 200 Round Reloading Block - .223/.378 Bolt Face Silver. ... The 200 Block Specifications for Gray Ops CNC 200 Round Reloading Block - .223/.378 Bolt Face: Manufacturer: Gray Ops CNC Caliber: .223 Remington Last Chance: Yes Features of Gray Ops CNC 200 Round Reloading Block - .223/.378 Bolt Face Machined from 6061 Aluminum Carry handles machined on both sides for easy moving Deep pockets for holding ammo secure Pass through holes for easy removal of any random kernels that prevent a case from sitting flush Rubber feet to prevent sliding Size is 6.8" x 14.5" x 0.75" Package Contents: Gray Ops CNC 200 Round Reloading Block - .223/.378 Bolt Face Gray Ops CNC GO-200BL223: 200 Round Reloading Block - .223/.378 Bolt Face Silver