abbreviated data or this will get long
Tight Group
5.6 grains
Lube HiMV 919 ES 35 SD 24 only 2 round Oehler problem
Coat 911 18 6
5.8 grains
Lube 974 44 16
Coat 947 18 7
6.0 grains
Lube 992 32 12
Coat 989 17 8
True Blue
7.4 grains
Lube 947 4 1
Coat 957 32 12
7.5 grains
lube 981 19 7
coat 989 20 7
7.8 grains
lube 1039 27 10
coat 1041 15 5
HS-6
8.8 grains
lube 953 31 13
coat 1010 41 16
9.0 grains
lube 1020 29 14
coat 1019 23 10
9.6 grains
lube 1062 80 35 4 rounds only
coat 1072 119 50
10.1 grains
lube 1115 70 26
coat 1097 63 25
Still pondering this, but I'm not sure I see an advantage to the poly coated bullets. I also believe I detected some loose crimps so I need to investigate that. Excuse the length it may be possible to have too much data

Make smoke,