FIELD: weapons and ammunition.
SUBSTANCE: self-operated gun comprises an upper part (1) and a lower part (2) of the barrel receiver. The upper part (1) the barrel receiver is fixed to the barrel (3) with under-barrel tube (4). On the front side (13) of the lower part (2) of the barrel receiver the stop (12) and the clamping screw (10) are mounted, which interacts with the upper part of the barrel receiver. The stop (12) has a cylindrical shape, it is located in the under-barrel tube (4) and is provided with a guide bevel (14), on the stop the groove (15) is also provided.
EFFECT: increased reliability and accuracy of mounting the barrel receiver in the gun.
2 cl, 4 dwg
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SU720284A1 |
