♦ FOR VIPER Steel Bolt Carrier of ZPARTS
♦ Full CNC machining
♦ Coated with hard anodizing in MIL-STD
♦ Piston bore diameter: 19mm
♦ Recommended to use gas magazine
♦ Taiwan Invention Patent No. I894641
♦ Japan Invention Patent No. 7610298
♦ (M3 Screw) Recommended fastening torque 1.96 N.m
♦ Please use torque wrench and threadlocker
♦ Can be used with universal screwdriver (Z-TOOL-002)
♦ The position of negative pressure part is adjusted too far forward or too far back will result in poor function.
♦ Adjustable initial speed and clear positioning
♦ Taiwan Invention Patent No. I894641
♦ Japan Invention Patent No. 7610298