This is the KRISS Vector bolt assembly and is compatible with all KRISS Vector models regardless of generation, including the SDP, CRB, SBR, and SMG.
Includes the firing pin and extractor; the Vector bolt assembly is an assembled, ready-to-use, drop-in replacement.
.40S&W, and 10mm Bolt Assembly utilize the same components. Select 10mm from the drop down menu.
.22LR bolt is only for use with the Vector 22 and is not compatible with centerfire Vector receivers.
Centerfire caliber bolts are not compatible with the Vector 22 receiver.