I have been doing a bit of reading on the Ulster Defence Regiment and am getting a bit confused. In "A Testimony of Courage" the author talks about the army issuing some UDR soldiers .22LR Walther pistols, in "An Encyclopedia of the Modern british Army" it shows the XL47E1 walther PP in 7.65mm (.32ACP). In another source on line from the republican side its says a 9mm walther. and on a List of the L designations there is L66A1 5.6 x 16mmR (.22RF) Pistol Automatic, Walther, target. By Manuhrin, France. And wikipedia says walther PPK. I know they were preceeded by the .38 Webley and the 9mmx19 walther P5 compact was issued later. And Brownings were made available and guys bought their own. But can anyone tell me which walther was the ISSUE PPW was it PP or PPK and what calibre was it in?