jgt said:
Are you sure the primer pockets were not crimped and needed to be swaged or cut to open them up to take a standard large pistol primer? Most military brass has to have that done to the primer pocket to be reloaded.
I am 100 percent totally sure that the early primers for the .45 ACP were of an oddball size. Let me quote the following from the book, PRINCIPLES AND PRACTICE OF LOADING AMMUNTION by Earl Naramore circa 1954.
"What is written here applies mainly to the Cal.45 A.C.P, primer pocket but the same principles could be applied tp any other cartridge case in which a change of primer size my be necessary as, for example in adapting European cases to use American primers. There are three diameters of primers in current use (consider the time frame this was written) here in the U.S. The nominal diameters of these primers is .210 inch, which represents the large size commercial primers for the larger rifle and pistol cartridges, .175 inch, which is the small size of commercial primers, and .204 inch, which is the odd size of primer MADE ONLY FOR THE MILITARY CAL. .45 PISTOL AMMUNITION BY THR GOVERNMENT AN ALSO FOR SOME GOVERNMENT CONTRACTS. (emphasis mine) Consequently these cases made only for the .204 inch primer can only be reloaded with primers obtained from the Ordnance Department, through the Director of Civilian Marksmanship. As these primers are not always available for sale and obtaining them involves delays and more or less red tape. many shooters prefer to enlarge the pockets of their .45 A.C.P. cases so that they can use commercial pistol primers of .210 inch diameter.
Thus endeth the lesson. :mrgreen:
Needless to say, that size prime has been obsolete for many years. Probably any brass one might have on had, especially from early on WW2 should just consider them interesting collector itims.
Paul B.