TAC-41 spring guide stopper tool   This tool has been designed for player who disassembly often the bolt of their TAC-41, typically for storage in a rigid case, but also for technician who enjoy good tools. Stainless steel CNC construction, M4 thread, including a black Vauban bolt knob (SBA-BKB-09). This tool can accept any bolt knob in our catalog as handle.   Compatible with:   – SBA-BKB-01 – Tactical bolt knob – SBA-BKB-02 – Match bolt knob – SBA-BKB-03 – Operator bolt knob – SBA-BKB-04 – Bakelite bolt knob – SBA-BKB-05 – Lightweight bolt knob – SBA-BKB-06 – Carbon bolt knob – SBA-BKB-07 – Grip bolt knob – SBA-BKB-08 – Twisted bolt knob – SBA-BKB-09 – Vauban bolt knob