This is the oring that goes on the tip of the MRT bolts. This is what makes our bolts better than the rest. Fits MRT Bolts, Mini Bolts, AXE Bolts and TechT Kush Bolts
Made from soft rubber so that it break less paint in your barrel. Fits MRT Bolts, BT Bolts, Mini Bolts, AXE Bolts and TechT Kush Bolts
