Left is an SMLE expedient safety-Australian? Center for a smoke discharger, stamped "NO SAFETY" on the enlarged thumb piece. No clue on the right one-a No.4 safety with the shaft pushed in, rotated almost 180 degrees and repinned.
Left is an SMLE expedient safety-Australian? Center for a smoke discharger, stamped "NO SAFETY" on the enlarged thumb piece. No clue on the right one-a No.4 safety with the shaft pushed in, rotated almost 180 degrees and repinned.