Pre-shell extraction mechanism for straight-pull bolt type sporting rifle
A technology for sports rifles and straight-pull bolts, which is applied in the field of firearms and can solve problems such as the inability to design a pre-extraction mechanism, large extraction resistance, etc.
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[0022] In order to make the objects, technical solutions and creative characteristics of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.
[0023] like figure 1 As shown, the straight pull gun mechanism of the present invention, including the barrel 1, the joint 2, the casing 3, the gun, and the opening and closing lock guide post 5, the gun chassis 6. After the assembly is completed figure 2 Indicated.
[0024] like figure 2 As shown, the barrel 1, the joint 2, and the casing 3 are fixed together, and there is no moving between each other, the gun machine 4, the opening and closing lock strip 5, the gun chassis frame 6 is the moving member.
[0025] like image 3 , Figure 4 As shown in the figure, the left is backward, and the right is backward. The rear end surface of the hollow sleeve is provided with a pair of start projections 2-1, and the upper processing has a start surface 2-2, the start surf...
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