I have loaded many calibers before but never for 223/5.56 because in the past it was cheap. Over the years I have purchased a RCBS .223 REM/5.56X45 SB T/C die set and some Rem .223 brass and Hornady 55gn FMJ-BT bullets and I already had some CCI 400 primers and various powders. The powders that I have that may work would be IMR4895. H4895, IMR4064, IMR4198 & Varget. I have Hornady & Speer loading manuals from the early 90s and just purchased the Hornady app. I am trying to determine which powder would work the best for an CAR-15 with 1/7 twist barrel. Also I was comparing the load data between the Old Hornady manual and the new app. There seems to be difference between starting and max loads for each of the powders listed that are in common between the two.
Any advice would appreciated.
Thanks
Any advice would appreciated.
Thanks