G43 - What's there to know?

Manufacturer Codes

Receivers

"ac" code for Walther Zella-Mehlis (commonly referred to as "Walther")
"duv" code for Berliner-Lubecker Maschinenfabrik (commonly referred to as "Berlin Lubecker" or "BLM")
"qve" code for Berliner-Lubecker Maschinenfabrik (after a change from the previous code "duv" was ordered for 1945)
"bcd" Gustloff-Werke II (made at Buchenwald concentration camp...commonly referred to as "Gustloff")

Barrels - subcontractors

"cp"
"ac"
"N"
"dtk"
"ogy"
"bys"
"cyw"

Magazines

"aye" Olympia Buromaschinenwerke
"acw" Gold-u Silberscheideanstalt Oberstein
"avx" Sudmetall AG
"awj" The Yale and Town Manufacturing Company
"gcb" Grohman u Sohn Ad Metallwarenfabrik
"rqs" Gold-u Silberscheideanstalt Oberstein (after a code change was ordered)
"k" on floorplates, may be a subcontractor code for Luck and Wagner

Stocks and Handguards

"Ac10" Subcontractor code for Carl Ullrich AG, found on small metal parts early, commonly found on stocks and G/K43 handguards
"Durofol" inside a diamond logo, handguards made of resin impregnated with wood chips, Durofol KG
"1" "2" "3" "4" found inside durofol handguards on G/K43 rifles
**Durofol handguards were likely only factory mated with Berliner Lubecker rifles, though I have seen one or two Walthers that supposedly came from Europe to America with Durofol handguards, they were probably wartime switches or replacements...most are post war switches
"PaG" Preswerk AG, G41 resin handguards

Ammunition Pouches

"ros"
"bla" EG Leuner GmbH
"Otto Koberstein"
"qkv"
"fuq" Cottbusser Lederwarenwerk Curt Vogel KG
"cny" C Pose

Waffenamts (number codes or "inspection/acceptance proofs")

"359" Walther
"214" Berliiner Lubecker Maschinenfabrik
"749" Gustloff II
"WaA98" acw and rqs magazines
"WaA204" avx magazines
"WaAB79" awj magazines
"WaAB43" aye magazines
"WaAB92" gcb magazines
"Wa134" Manufacture Nationale d' Armes St. Etienne France, subcontracted receivers, found on Walther and Gustloff rifles
"WaAA44" Merz Werke, on stamped metal action covers
"WaAAC10" Carl Ulrich AG

Serial Numbers