I have been reloading the 115gr & 124 Nukes. The bullets are chubby so have to load short to chamber in my old S&W 469. Do a plunk test on the gun to check the OAL.
1st load
Powder #2 4.4 gr
OAL 1.050
Avg 1093 Hi 1097 Lo 1089 Es 8 Sd 3.
No pressure signs, and run well.
2nd load
124 gr Nukes
Powder #2 4.1gr
OAL 1.050
Avg 1032 Hi 1042 Lo 1022 Es 20 Sd 7.