wasa
Member
- Joined
- Jul 26, 2019
- Messages
- 43
I've been using Alliant Power Pro 300-MP in my Ruger Blackhawk with 125gr and 158gr jacketed bullets and am happy with the loads. I usually load about 1-2 grain below maximum listed with no negative indication on the cases or primers.
However, I would like to use other bullet weights (since I have many hundreds of them), but the only two published sources I have of loads (Alliant PDF/web and Hornady #9 manual) only list select bullet weights (example Alliant 125gr, 158gr, 170gr). There is nothing in my Lyman 48, and I see nothing listed online with Speer or Nosler bullets.
I have lots of 110gr, 140gr, and 150gr jacketed 0.357" projectiles that I would like to use. Does anyone know of a published source for this powder in 357 Mag for these bullets?
Alternatively, does anyone have experience interpolating to these bullets (yes, I know that I am responsible for my loads)?
Alliant lists
125gr - max 22.3gr
158gr - max 18.6gr
170gr - max 17.5gr
So, 22.3gr of 300-MP for 110gr may be reasonable. 18.6gr for 150gr or 140gr projectiles may be reasonable.
Thoughts?
However, I would like to use other bullet weights (since I have many hundreds of them), but the only two published sources I have of loads (Alliant PDF/web and Hornady #9 manual) only list select bullet weights (example Alliant 125gr, 158gr, 170gr). There is nothing in my Lyman 48, and I see nothing listed online with Speer or Nosler bullets.
I have lots of 110gr, 140gr, and 150gr jacketed 0.357" projectiles that I would like to use. Does anyone know of a published source for this powder in 357 Mag for these bullets?
Alternatively, does anyone have experience interpolating to these bullets (yes, I know that I am responsible for my loads)?
Alliant lists
125gr - max 22.3gr
158gr - max 18.6gr
170gr - max 17.5gr
So, 22.3gr of 300-MP for 110gr may be reasonable. 18.6gr for 150gr or 140gr projectiles may be reasonable.
Thoughts?