Date: June 15, 2022
Place: Douglas County NV
Handgun: Ruger Blackhawk 357 Magnum 4 5/8”
10 shot strings (had no readings avg about 7 rds recorded per load)
357 Magnum Reloads:
Lyman 358477 (155 gr)
6.5 grs Unique
MV 1,051 fps
ES 45
Lyman 358429 (170 gr)
6.0 grs Unique
MV 958 fps
ES 71
Note: 1.553” OAL
Lyman 358439 HP (160gr)
11.0 grs Alliant 2400
MV 1,176 fps
ES 84
Note: 1.553” OAL
Speer 158 gr LSWCHP
6.0 grs Unique
MV 942 fps
ES 62
38-44 Reload:
Lyman 358429 (170 gr)
11.0 grs 2400
MV 1,171 fps
ES 42
1.532” OAL
Remington 38 Special +P 158 gr LHP (2018 manufacture)
MV 904 fps
ES 50
Double Tap 38 Special + P 158 gr Cast SWC (2020 manufacture)
MV 906 fps
ES 42
Was expecting more from both Remington and Double Tap 158 gr 38 Spl +P loads but then again they were tested out of a 357 magnum with its longer chambers…actual fps in a 38 Special chambered revolver may likely be 25 fps faster.