Block action, i.e. the main breech opening movement being transverse to the barrel axis

Full Title

Breech mechanisms, e.g. locks > Block action, i.e. the main breech opening movement being transverse to the barrel axis

Child Classifications

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• F41A 3/04 with pivoting breech-block
• F41A 3/10 with sliding breech-block, e.g. vertically