Patent ID: 7877917

Claim:
A hunting rifle recoilless buttstock comprising: a stock body provided with a passing hole and a mounting screw; an anti-recoil module comprising a pair of coupling parts, an elastic anti-recoil mechanism, a fixed support with rollers, an upper guide with a first spring and a lower guide with a second spring; the elastic anti-recoil mechanism comprising: a fixed joint plate, which is coupled to ends of a pair of pushing levers by way of a joint pivot having a lock; the other end of the pair of pushing levers being coupled to each end of a pair of elongated levers by a joint spring carrying pivot having a lock; the elongated levers being joined at their centers by a joint rivet, while the other ends of the elongated levers are coupled to screwed spring carrying pivots; and a first absorption spring, a second absorption spring, annulling springs and a blocking-compensation spring; wherein the elastic anti-recoil mechanism has an operation relationship to said fixed support with rollers and upper and lower return springs.