| 摘要 |
FIELD: firearms. ^ SUBSTANCE: device comprises barrel with gas-discharge port, breechblock, and locking lever provided with roller that overlaps the gas-discharge port. According to the first version, the roller abuts against the projection on the barrel, and the axle of the locking lever is mounted on the breechblock. According to the second version, the roller abuts against the projection on the breechblock, and the axle of the locking lever is mounted on the barrel. ^ EFFECT: simplified structure and enhanced reliability. ^ 2 cl, 6 dwg |
