FIELD: small arms.
SUBSTANCE: invention relates to small arms to fire both underwater and overland. Proposed carbine comprises barrel with gas chamber and breech frame with butt. It accommodates also lock frame with breech lock and counterrecoil mechanism, magazine-opening cover with handle, gas tube, trigger and feed mechanisms, feed mechanism catch and shutter. Feed mechanism catch base is made integral with aforesaid shutter to move lengthwise along flanges of breech frame receiving opening and to be locked by spring-loaded retainers in two positions. Note that that barrel length makes (55…75)d, where d is bore diametre, mm.
EFFECT: attachment of magazines with various cartridges, higher reliability.
2 cl, 4 dwg
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