Patent ID: 8037877
Filing Date: 2011-10-18
Classification: F41A,F41B

Abstract:
1. A barrel for a paintball gun, comprising: a main body, a rear end thereof being formed with a combining portion to combine with a paintball gun, an extension being extended rearward from the combining portion, an outer diameter of the extension is smaller than that of the main body, a bore penetrating through the main body, the combining portion and the extension, around an outer periphery of the extension being radially recessed to be formed with an annular groove, and at least one non-circular slot being formed in the annular groove, the slot communicating the annular groove to the bore proximately; and an elastic ring with a perimeter smaller than a perimeter of the annular groove, the elastic ring being disposed in the annular groove, and a part of the elastic ring sinking into the slot and being received in the bore.