CPC Subgroup
F41A 3/06 about a horizontal axis transverse to the barrel axis at the rear of the block (F41A3/08 takes precedence)
Full Title
Breech mechanisms, e.g. locks > Block action, i.e. the main breech opening movement being transverse to the barrel axis > with pivoting breech-block > about a horizontal axis transverse to the barrel axis at the rear of the block (F41A3/08 takes precedence)