| 摘要 |
FIELD: weapons and ammunition.SUBSTANCE: invention refers to small arms. Small arms include barrel, breech box, stock, magazine, bolt, trigger, retainer, sighting device. Breech box is designed as a single element combining sight base with sighting device, channel for bolt travel, sections for breech box attachment to stock, and trigger attachment base. Breech box features an orifice for holder attachment and ejection port. Breech box is made of plastic reinforced in the internal cavity. Sighting device consists of sight pillar and foresight. Front pillar can be implemented as breech box sight base component, and foresight includes tensile element and moves along transverse groove of the sight base. In another version, sight pillar includes tensile element and travels along transverse groove of the sight base while the foresight is attached to the barrel. Transverse groove of the sight base is designed as a comb.EFFECT: reduced labour cost of small arms manufacturing.6 cl, 6 dwg |
