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looking for load data for 357 mag.
Posted: Sat Jul 17, 2021 2:33 pm
by Galen
I have 158 gr. fmft bullets and using 4 gr. of HP 38 powder. I chrone five out and they ran from 1424 to 1460 fps. the bullets I have said max speed is 1200fps. I am shooting them out of a bb 38/ 357mag
Re: looking for load data for 357 mag.
Posted: Sat Jul 17, 2021 2:57 pm
by fortyshooter
Tell me what the FMFT stands for. Are they powder coated or copper plate?
Re: looking for load data for 357 mag.
Posted: Sat Jul 17, 2021 4:49 pm
by BigAl52
That speed sounds real high for 4 gr of HP-38 which is the same as Winchester 231
Re: looking for load data for 357 mag.
Posted: Sat Jul 17, 2021 5:00 pm
by Galen
Berry's copper-jacketed bullets flat top.
Re: looking for load data for 357 mag.
Posted: Sat Jul 17, 2021 5:02 pm
by Galen
fortyshooter wrote: ↑Sat Jul 17, 2021 2:57 pm
Tell me what the FMFT stands for. Are they powder coated or copper plate?
Berry's copper-jacketed bullets flat top
Re: looking for load data for 357 mag.
Posted: Sat Jul 17, 2021 5:12 pm
by BigAl52
According to Hogdon powder data 5 grains of 231 will yield 1100 fps. I push plated bullets all the time with 8 gr of Unique and Universal Clays. I dont have any issues