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mikld · September 21, 2018, 10:59 AM

My information was from a gunsmith/forum owner that I misquoted. The 140 gr. bullet is the "optimum weight" for the 357 Magnum, as per Remington's testing to "re-engineer" 357 ammo. Given the +/- 15% "rule" for optimum bullet performance and the availability (and the bullet's designer) 158 bullets were used/loaded in the beginning. Given the popularity of a 158 gr. bullet for 38 Special, and the progression to 38/44 to 357 Mag, the 158 gr bullet was retained. This is just gleaned from my research and I admit to not being a "357 Magnum" historian...

September 21, 2018, 10:59 AM	#32
mikld Senior Member Join Date: February 7, 2009 Location: Southern Oregon! Posts: 2,891	My information was from a gunsmith/forum owner that I misquoted. The 140 gr. bullet is the "optimum weight" for the 357 Magnum, as per Remington's testing to "re-engineer" 357 ammo. Given the +/- 15% "rule" for optimum bullet performance and the availability (and the bullet's designer) 158 bullets were used/loaded in the beginning. Given the popularity of a 158 gr. bullet for 38 Special, and the progression to 38/44 to 357 Mag, the 158 gr bullet was retained. This is just gleaned from my research and I admit to not being a "357 Magnum" historian... __________________ My Anchor is holding fast! I've learned how to stand on my own two knees...