Rigid bolt locks, i.e. having locking elements rigidly mounted on the bolt or bolt handle and on the barrel or breech-housing respectively the bolt being rocked about a notional axis transverse to the barrel axis
Rigid bolt locks, i.e. having locking elements rigidly mounted on the bolt or bolt handle and on the barrel or breech-housing respectively the bolt being rocked about a notional axis transverse to the barrel axis