Does anyone know the origins or meaning of the letters A, O, Q, L, P, N, Z, V, U, stamped on some 1917 bolts? They are large letters stamped on the upper side of bolt handle.
Does anyone know the origins or meaning of the letters A, O, Q, L, P, N, Z, V, U, stamped on some 1917 bolts? They are large letters stamped on the upper side of bolt handle.
sub inspectors markings
if it aint broke...fix it till it finally is.