The TAC408 is designed for the Cheytac line of cartridges and is available in both 1.45 and 1.60 diameters, either repeater or single shot. TAC408 actions have no feed lips and use only center feed box magazines. Bottom metal with magazines are available from many sources. The TAC408 actions use a straight bolt handle. All tactical actions feature a screw-on bolt knob. One piece picatinny rails in 0, 20 and 40 moa off set are available. The bolts have a new proprietary coating that makes them as smooth as glass.