Chrono results: Power Pistol and Sig P226 Enhanced Elite

[DarkSkyx]

+/- .1gr on loads
Bullet: Campro 115gr RN copper plated
I didn't bother letting the barrel cool completely between strings. I'd like to say it's because it will simulate real shooting since my barrel will rarely be warm except for when I first start shooting, but really it's because I'm just impatient and didn't care to.

I'd like to Avg above the 1200fps mark but 6.4gr is about as much as a 9mm case will hold, and as you can see, there's not much FPS difference between 6gr and 6.4gr

5.6 grains:
1088
1116
1099
1081
1104
1129
1098
1068
1105
1101
Avg: 1098.9
StdDev: 17.19
Min: 1068 / Max: 1129
Spread: 61

5.8 grains:
1102
1120
1121
1149
1055
1105
1142
1137
1135
1123
Avg: 1118.9
StdDev: 27.10
Min: 1055 / Max: 1149
Spread: 94

6.0 grains:
1080
1169
1127
1184
1155
1195
1188
1188
1113
1163
Avg: 1156.2
StdDev: 38.06
Min: 1080 / Max: 1195
Spread: 115

6.2 grains:
1134
1135
1163
1106
1116
1146
1114
1189
1167
1110
Avg: 1138
StdDev: 27.94
Min: 1106 / Max: 1189
Spread: 83

6.4 grains:
1196
1185
1164
1113
1197
1142
1174
1145
(chrono errors on 2)
Avg: 1164.5
StdDev: 29.52
Min: 1113 / Max: 1197
Spread: 84

 

[Kryogen]

I use 5.7 power pistol in 9mm