Tactical accessory mounting bracket

The utility model relates to the field of firearm expansion systems, in particular to a tactical accessory mounting bracket. Comprising a support body and a connecting assembly. The support body is provided with a closed end and an open end in a surrounding mode in the circumferential direction. The closed end is provided with at least two mounting points, and the open end is used for putting in or taking out weapons; the connecting assemblies are arranged corresponding to the mounting points and used for carrying tactical accessories. One end of the closed end is provided with a quick release assembly, the quick release assembly comprises a movably arranged first part and a fixedly arranged second part, the first part and the second part are provided with buckling parts, and the first part moves in the direction towards or away from the second part under the action of a locking piece and is correspondingly provided with a buckling station and a separating station; and the buckling part is buckled with or sep