FIELD: weapons and ammunition.
SUBSTANCE: unit for locking firearms contains bolt lugs on rotary bolt and mating projections on barrel. Contact surfaces of the bolt and the barrel are chamfered relative to the perpendicular to the axis of the barrel.
EFFECT: ensuring uniform distribution of loads between bolt lugs irrespective of angle between breechblock axis and barrel axis.
1 cl, 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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