Bob, Yes this is rarely seen, but those seen are grouped fairly tight, dou also has an example, but an earlier lot.
General trends for Brno sub-contract barrel use. Note Ruhrstall and JPS
1944 dot 7889 au / avk Ba e/13 (e/63 final & dot small f/p)
1944 dot 8166 au / avk BL
1944 dot 277xx / ce di e/37 x2 (e/63 final- dot assemble) Gunboards 2009 owner reported serial
1944 dot 34442 / ce di e/37 x2 (e/63 final- dot assemble)
1944 dot 38380 / ce di e/37 x2 (e/63 final- dot assemble)
1945 swp 51643 a / avk BL e/WaA13 (e/63 final & dot small f/p)
1945 swp 51974 a / avk Az e/WaA13
1945 swp 55059 a / avk Bg e/13
1945 swp 63836 a / avk Br e/13 (rc)
1944 dou 971 z / avk* (dou finaled receiver)
1944 dou 9262 ff / avk Bd e/13 (dou finaled receiver)
1944 dou 1196 gg / ce ah e/37 x2 (e/WaAA80 on barrel also) e/A80 final
1945 dou 352 a / (av)k Bg e/13 (dou finaled receiver- sportered rifle)
1945 dou 2005 a / avk Bg e/13 (dou finaled receiver- sportered rifle)
In 1943 JPS increasingly supplied others, though Brno was probably the most self-reliant of all the makers, though probably resembled WMO use of others late in the war... WMO relied upon FN and Ruhrstahl very late in the war, L-block & 45.
