Devices, systems, and methods are provided for ligament repair procedures, andcanbe used to establish a location and trajectory for forming a bone tunnel inbone. Oneexemplary embodiment of a surgical guide for using in a ligament repairprocedure includesa guide arm and a carriage that can be selectively locked along the guide armto define anangle of the bone tunnel. The guide arm also defines a location of a distalend of the bonetunnel. In some embodiments the carriage is configured to have a bullet side-loaded into it,and the bullet can be used to define a location of a proximal end of the bonetunnel. Thepresent disclosure also provides for a gage that limits the distance a drillpin that drills thebone tunnel can travel. A variety of other, devices, systems, and methods arealso provided.