marcograms
Member
The local shop is out of IMR 3031 and I am looking for a replacement. I am loading the .45-70 with 405 grain Missouri Bullets. I usually load the IMR at 45grains. Any help is greatly appreciated.
[SIZE="3"]45/70 Martini Henry
26" Shilen Barrel
405 LRN 26.5gr AA5744 R-P cases WLR
29-Apr-04 T = 80 °F
Ave Vel = 1294
Std Dev = 14
ES = 40
Low = 1274
High = 1314
N = 15
405 LRN 27.0gr AA5744 R-P cases WLR
24-Mar-04 T = 70 °F
Ave Vel = 1284
Std Dev = 23
ES = 80
Low = 1263
High = 1343
N = 12
405 LRN 27.5gr AA5744 R-P cases WLR
24-Mar-04 T = 70 °F
Ave Vel = 1323
Std Dev = 14
ES = 38
Low = 1307
High = 1345
N = 5[/SIZE]