This has been collected from Rex themselves and from some of our italian friends that were kind enough to send me data from their manuals and from their experiences. As always your mileage may vary so work up to anything you see here.
Code:Rex Powder Data Charge in Grains 7.63 Luger Bullet Powder Min Max 93gr FMJ Rex 3 4 4.8 100gr LRN Rex 3 2.6 3 9mm Makarov 98gr Ly (364650) Rex 2 3.9 4.3 9mm Luger 115 gr FMJ Rex 2 4.3 120gr Cast TC Rex 2 4.2 4.8 120gr Cast TC Rex 1 3.6 4 120gr Cast TC Rex 3 4.3 5 124gr Cast TC Rex 2 4.1 4.4 124gr Cast TC Rex 1 3.5 3.9 124gr Cast TC Rex 3 4.3 4.9 125 gr Lead Rex 2 4.3 135gr Cast TC Rex 2 3.9 4.3 135gr Cast TC Rex 1 3 3.5 135gr Cast TC Rex 3 4.1 4.4 9x21 100gr FMJ Rex 1 4.8 5.2 100gr FMJ Rex 2 5 5.4 115gr FMJ Rex 1 4.7 5 115gr FMJ Rex 2 5 5.5 120gr LRN Rex 2 4.6 4.8 120gr LRN Rex 1 3.5 4 120gr LRN Rex 2 4 4.8 120gr LRN Rex 3 4 5 120gr LRN Rex 2 3.7 4.2 120gr LRN Rex 1 4.2 4.5 122 RN BB Rex 2 4.7 122gr RNL Rex 3 4.8 5.5 122 TC BB Rex 3 4.8 5.3 122 TC BB Rex 2 4.6 5.3 123gr FMJ Rex 1 4.5 4.9 123gr FMJ Rex 2 4.6 5 123 FMJ Rex 3 4.8 5.3 124gr TC Rex 1 3.6 4 124gr TC Rex 2 4.2 4.8 124gr TC Rex 3 4.3 5 125gr LRN Rex 3 4.7 5.4 135gr RN Rex 1 3 3.5 135gr RN Rex 2 3.9 4.3 135gr RN Rex 3 4.1 4.4 135gr RN Rex 1 3 3.5 135gr RN Rex 2 3 4.3 135gr RN Rex 3 4 4.4 38 Super 115 gr JHP Rex 2 5.6 115 gr JHP Rex 3 6.3 130 gr FMJ Rex 2 4.6 130 gr FMJ Rex 3 5.6 147 gr JHP Rex 2 4 147 gr JHP Rex 3 4.8 357 Sig 125gr JHP Rex 3 6 8.8 38 Special 115gr SWC-BB Rex 2 5 5.3 115gr SWC-BB Rex 3 5.4 5.7 130gr SWC-BB Rex 2 4.7 5 130gr SWC-BB Rex 3 5.1 5.4 148gr WC Rex 1 2.2 2.5 148gr WC Rex 2 2.6 2.8 148gr WC Rex 3 2.8 3 150gr SWC Rex 2 4.2 4.5 150gr SWC Rex 3 4.6 5.1 158gr SWC Rex 2 4.2 4.5 158gr SWC Rex 3 4.6 5 38 Spl + P 125 gr JHP Rex 2 5 148 gr Lead WC Rex 2 4.1 158 gr Lead SWC Rex 2 4 357 Magnum 148gr WC Rex 1 3.2 5 148gr WC Rex 2 5 6 148gr WC Rex 3 3.5 4 148gr WC Rex 3 5.5 7.5 158gr SWC Rex 1 3.2 5 158gr SWC Rex 2 5 6 158gr SWC Rex 3 5.5 7 158gr SWC Rex 3 4.9 7.5 40 S & W Warning: Some 40S&W Data is from Competition Shooters and May exceed the standard AOL. Approach with Caution. 155 gr JHP Rex 2 5.9 155gr JHP Rex 2 4.8 6 170 FMJ Rex 2 4.7 5.1 170 Cast TC Rex 2 4.2 4.8 170 TC Rex 2 4.7 5.5 170 TC Rex 3 5.2 6.3 170gr Ball Rex 3 6.8 175 gr Lead Rex 2 4.2 175gr JHP Rex 2 4.8 5.5 180 gr LRN Rex 2 5 180 Cast TC Rex 2 4 4.6 180gr Ball Rex 2 4.2 4.6 180gr FMJ Rex 2 5.2 180gr FMJ Rex 2 5.9 180gr FMJ Rex 3 5.8 180gr FMJ Rex 3 5.6 180gr Ball Rex 3 4.4 5.5 180gr Cast TC Rex 3 4.7 5.5 180 gr LRN Rex 3 5.3 200gr Ball Rex 1 4.6 200gr TC Rex 2 4 4.2 200gr Ball Rex 2 3.7 4.4 200gr JHP Rex 2 3.8 4.5 200gr Ball Rex 2 5.3 200gr LRN Rex 3 4.8 200gr Cast RN Rex 3 3.8 4.5 200gr Ball Rex 3 4 4.8 200gr Ball Rex 3 5.2 205gr FMJ Rex 2 4.5 205gr FMJ Rex 3 5 216gr Ball Rex 2 4.1 41 Magnum 170gr LFN Rex 2 9 9.5 210gr JHP Rex 2 8 9.5 220gr JHP Rex 2 8 8.5 44 Rem Mag 200gr SJHP Rex 3 8 12 240gr LSWC Rex 3 7 11 45 ACP 185 gr JHP Rex 2 5.7 200 gr Lead SWC Rex 2 5.3 200gr LRN Rex 2 4.3 200gr Ball Rex 1 3 4.3 200gr Ball Rex 2 4 4.8 200gr Ball Rex 3 4 5.5 200gr Cast TC Rex 1 3.6 4.3 200gr Cast TC Rex 2 4.2 4.8 200gr Cast TC Rex 3 4.8 5.6 200gr FMJ Rex 2 5.2 6 200 LRN Rex 1 3.9 4.2 200 LRN Rex 2 4.5 5.1 200 LRN Rex 3 4.8 5.6 230 gr Lead RN Rex 2 4.8 230gr LRN Rex 3 5.4 5.8 230gr LRN Rex 1 4.2 230gr LRN Rex 2 4.5 230gr Ball Rex 1 3.6 4.7 230gr Ball Rex 2 4.2 6 230gr Ball Rex 3 4 5 230 RNBB Rex 1 3.4 4 230 RNBB Rex 2 3.9 4.5 230 RNBB Rex 3 4.3 5 230 RNFP Rex 3 4.8 5.2