Another THR member asked me about my .357mag/2400/158grLSWC loads & I decided I might as well paste all the data in one place.
I had to place load comments in a separate
I had to place load comments in a separate
Code:
box, as I couldn't get it to render properly.
COL is not included, as my COL is derived from a dummy cartridge. That will eventually get into my load notes (COL, not cartridge). COL is determined by the crimp groove, so that I get a good, heavy roll crimp in the groove.
There were two iterations:
1. 13.5gr-15.3gr in roughly .5gr increments; loads chronographed
2. 15.2gr & 15.3gr
[code]Index 1 2 3 4 5 6 7
Cartridge .357_Magnum .357_Magnum .357_Magnum .357_Magnum .357_Magnum .357_Magnum .357_Magnum
Date 2005-05-07 2005-05-07 2005-05-07 2005-05-07 2005-05-07 2005-10-04 2005-10-04
Temp 75 75 75 75 75
Wind 10_45 10_45 10_45 10_45 10_45
Wpn_Manuf Smith & Wesson Smith & Wesson Smith & Wesson Smith & Wesson Smith & Wesson Smith & Wesson Smith & Wesson
Wpn_Model 686 686 686 686 686 686 686
Wpn_BBL 4 4 4 4 4 4 4
Wpn_Serial
Bullet_Manuf Rucker Rucker Rucker Rucker Rucker Rucker Rucker
Bullet_Name - - - - - - -
Bullet_Const Cast Cast Cast Cast Cast Cast Cast
Bullet_Alloy Unk Unk Unk Unk Unk Unk Unk
Bullet_Profile SWC SWC SWC SWC SWC SWC SWC
Bullet_Wt 158 158 158 158 158 158 158
Bullet_Base Bevel Bevel Bevel Bevel Bevel Bevel Bevel
Bullet_Diam 0.358 0.358 0.358 0.358 0.358 0.358 0.358
Bullet_Lube Unk Unk Unk Unk Unk Unk Unk
Bullet_BHN Unk Unk Unk Unk Unk Unk Unk
Powder_Manuf Alliant Alliant Alliant Alliant Alliant Alliant Alliant
Powder_Name 2400 2400 2400 2400 2400 2400 2400
Powder_Wt 13.5 14 14.5 15 15.3 15.2 15.3
Powder_Filler None None None None None None None
Primer_Manuf
Primer_Name
Primer_Type SP SP SP SP SP SP SP
Brass_Manuf Mixed Mixed Mixed Mixed Mixed Winchester Winchester
Brass_Trim_Length NA NA NA NA NA NA NA
COL
Crimp Roll_H Roll_H Roll_H Roll_H Roll_H Roll_H Roll_H
Vel_Avg 1195 1242 1282 1344 1438
Vel_SD_Avg 21.93 32.41 38 60.6 125.05
Vel_ES 31.07 78.19 71.43 117.6 228
Group_Size 1.531 3.428 2.034 1.911 1.302 8 10.6
Group_Num_Shots 5 5 5 5 5 16 14
Group_Dist 10 10 10 10 10 25 25
MOA 14.61997307 32.7349887 19.42326925 18.24870577 12.43318415 30.55774907 40.48901752
MOA/Shot 2.923994614 6.546997739 3.884653851 3.649741155 2.486636831 1.909859317 2.89207268
Pressure
Code:
Index Comments
1 Unburnt power in chambers & bbl; Primer strikes rounded; Dry bronze brush chambers & bbl
2 Unburnt power in chambers & bbl; Primer strikes rounded; Leading first 1/5 of bbl; Dry bronze brush chambers & bbl
3 Unburnt power in bbl only; Primer strikes rounded; Leading first 1/3 of bbl; Dry bronze brush chambers & bbl
4 Unburnt power in bbl only; Primer strikes more normal; Leading first 1/3 of bbl; Dry bronze brush chambers & bbl
5 Unburnt power in one chamber only & bbl; Primer strikes more normal; Leading first 1/2 of bbl; Dry bronze brush chambers & bbl
6 Little unburned powder
7 Little unburned powder