ok i have a no 4 mk 1, marked us property, english proof marked on the muzzle end of the bbl.
two questions: one who made it ?? "S" under the ser number(17cxxxx),1942,"flame bomb" ,F R on buttstock, 300/600 peep sight."dmp' or 'bmp" in top of recvr......aluminum butt plate .not much else.
two.....its got a 2 groove bbl......original ?