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Load data for .357 Auto Magnum + .356 | 123gr | LOS FP

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Recommended Powder(s): Rottweil P 806, SNPE Vectan BA7 1/2

.357 Auto Magnum + .356 | 123gr | LOS FP

Load Specifications

Bullet:
.356 | 123gr | LOS FP
Bullet Weight:
123gr | 8.0g
Bullet Diameter:
0.356" | 9.04mm
Bullet Length:
0.567" | 14.4mm
Caliber:
.357 Auto Magnum
Case Length (l3):
1.299" | 33.0mm
Cartridge Length (C.O.L.):
1.576" | 40.0mm
Seated Depth:
0.290" | 7.4mm
Shank Seated Depth:
0.290" | 7.4mm
Case Capacity:
35.0 Grains of Water | 2.27 cm³
Primer Size:
Small Pistol Magnum (SPM)
Max. allowed Pressure:
36985 psi | 2550 bar
LID:
LID_B3509_C511

>> Use the Personalized Load Calculator further below to adjust input parameters. 

Load data for 84 loads in caliber .357 Auto Magnum with .356 | 123gr | LOS FP bullet and 42 powders such as Rottweil P 806, SNPE Vectan BA7 1/2. The key underlying parameters are shown in the table above.

  • Important Notice: DO NOT go below Minimum Charge or above Maximum Charge unless there are reasons. Since xxlreloading.com has no control over the equipment and components used by the customer and the data used in connection with the website, any responsibility and liability for the results achieved is rejected. Also see our Terms of Service

    Questions regarding the load data: Please read the information in the next tab "Explanations".

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    Use the Personalized Load Calculator to customize loads to your own specific requirements. Find more details in the help section.

    Our default view only displays powders/loads that fulfill certain criteria: Max pressure of a load <=90% of Max. Standardized Pressure. Fill Rate (Min FR): >80% and <100% for rife loads,  >60% and <100% for pistol loads. Min. Propellant Combustion (Min z): >90% for rifle loads , >80% for pistol/revolver loads. Relax these criteria at your own risk to potentially get more powders shown in the load tables.

Click on the desired row in the tables below to add a specific load / powder to your Diary and manage there.

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AP 100
<<locked>>
81%
32198
87%
**94
99%
ADI APS 350
<<locked>>
63%
32648
88%
**02
100%
ADI APS 450
<<locked>>
64%
32024
87%
**22
100%
ADI AS 30
<<locked>>
63%
31633
86%
**55
100%
Accurate No. 2
<<locked>>
63%
32735
89%
**09
100%
Accurate No. 7
<<locked>>
63%
32808
89%
**57
92%
[Accurate No. 9]*
<<locked>>
71%
32866
89%
**34
86%
Accurate Solo 1000
<<locked>>
63%
32140
87%
**94
100%
Accurate Solo 1250
<<locked>>
67%
31966
86%
**60
100%
[Accurate TCM]*
<<locked>>
71%
33156
90%
**37
87%
[Alliant 2400]*
<<locked>>
80%
32880
89%
**67
83%
Alliant BLUE DOT
<<locked>>
82%
32372
88%
**24
90%
Alliant POWER PISTOL
<<locked>>
67%
33243
90%
**44
98%
Alliant UNIQUE
<<locked>>
67%
32692
88%
**42
100%
Baschieri & Pellagri 100
<<locked>>
65%
32895
89%
**17
100%
[Hodgdon LilGun]*
<<locked>>
92%
33040
89%
**22
82%
Hodgdon TrailBoss
<<locked>>
97%
20175
55%
**52
100%
Lovex D037.1
<<locked>>
63%
32808
89%
**57
92%
[Lovex D037.2]*
<<locked>>
70%
32097
87%
**24
85%
Maxam CSB 1
<<locked>>
69%
32126
87%
**53
100%
Maxam CSB 2
<<locked>>
66%
33286
90%
**60
100%
Maxam CSB 3
<<locked>>
65%
31879
86%
**21
100%
Maxam CSB 4
<<locked>>
63%
32097
87%
**04
100%
[Ramshot Enforcer]*
<<locked>>
81%
32851
89%
**77
84%
ReloadSwiss RS 14
<<locked>>
97%
19014
51%
**61
100%
ReloadSwiss RS 20
<<locked>>
67%
31720
86%
**12
100%
ReloadSwiss RS 24
<<locked>>
68%
31952
86%
**21
94%
Rottweil P 806 👍
<<locked>>
72%
33228
90%
**37
100%
SNPE Vectan A0
<<locked>>
69%
31792
86%
**90
100%
SNPE Vectan BA 9
<<locked>>
63%
31923
86%
**63
100%
SNPE Vectan BA7 1/2 👍
<<locked>>
74%
32735
89%
**65
100%
SNPE Vectan BA9 1/2
<<locked>>
64%
33069
89%
**73
100%
[Shooters World Heavy Pistol]*
<<locked>>
70%
32097
87%
**24
85%
Shooters World Major Pistol
<<locked>>
63%
32808
89%
**57
92%
Somchem MS200
<<locked>>
65%
31836
86%
**93
100%
Vihtavuori 3N37
<<locked>>
67%
32372
88%
**68
100%
Vihtavuori 3N38
<<locked>>
79%
33083
89%
**37
95%
Vihtavuori N105
<<locked>>
84%
33040
89%
**70
98%
Vihtavuori N32C Tin Star
<<locked>>
85%
33199
90%
**42
100%
Vihtavuori N330
<<locked>>
63%
33170
90%
**86
100%
Vihtavuori N340
<<locked>>
67%
33054
89%
**12
100%
Vihtavuori N350
<<locked>>
71%
33272
90%
**88
100%

Max Load - Barrel Length: 5.50''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AP 100
<<locked>>
61%
18855
51%
**80
91%
ADI APS 350
<<locked>>
61%
30734
83%
**73
100%
ADI APS 450
<<locked>>
61%
30240
82%
**93
100%
ADI AS 30
<<locked>>
61%
29863
81%
**25
100%
Accurate No. 2
<<locked>>
61%
30922
84%
**90
100%
Accurate No. 7
<<locked>>
61%
30037
81%
**88
90%
[Accurate No. 9]*
<<locked>>
63%
24569
66%
**70
80%
Accurate Solo 1000
<<locked>>
61%
30342
82%
**71
100%
Accurate Solo 1250
<<locked>>
61%
27021
73%
**71
100%
[Accurate TCM]*
<<locked>>
61%
22858
62%
**17
80%
[Alliant 2400]*
<<locked>>
76%
29066
79%
**78
80%
[Alliant BLUE DOT]*
<<locked>>
64%
19348
52%
**22
80%
Alliant POWER PISTOL
<<locked>>
61%
27659
75%
**42
96%
Alliant UNIQUE
<<locked>>
61%
27891
75%
**60
100%
Baschieri & Pellagri 100
<<locked>>
61%
29385
79%
**65
100%
[Hodgdon LilGun]*
<<locked>>
89%
29283
79%
**60
80%
Hodgdon TrailBoss
<<locked>>
61%
10254
28%
**9
100%
Lovex D037.1
<<locked>>
61%
30037
81%
**88
90%
[Lovex D037.2]*
<<locked>>
63%
25222
68%
**86
81%
Maxam CSB 1
<<locked>>
61%
25846
70%
**48
100%
Maxam CSB 2
<<locked>>
61%
28253
76%
**85
100%
Maxam CSB 3
<<locked>>
61%
28631
77%
**68
100%
Maxam CSB 4
<<locked>>
61%
30501
82%
**75
100%
[Ramshot Enforcer]*
<<locked>>
76%
27978
76%
**65
81%
ReloadSwiss RS 14
<<locked>>
62%
9892
27%
**9
100%
ReloadSwiss RS 20
<<locked>>
61%
27006
73%
**30
100%
ReloadSwiss RS 24
<<locked>>
61%
25469
69%
**80
90%
Rottweil P 806
<<locked>>
61%
22771
62%
**34
98%
SNPE Vectan A0
<<locked>>
61%
25947
70%
**88
100%
SNPE Vectan BA 9
<<locked>>
61%
30342
82%
**37
100%
SNPE Vectan BA7 1/2
<<locked>>
61%
22437
61%
**52
98%
SNPE Vectan BA9 1/2
<<locked>>
61%
29805
81%
**27
100%
[Shooters World Heavy Pistol]*
<<locked>>
63%
25222
68%
**86
81%
Shooters World Major Pistol
<<locked>>
61%
30037
81%
**88
90%
Somchem MS200
<<locked>>
61%
28747
78%
**40
100%
Vihtavuori 3N37
<<locked>>
61%
26600
72%
**60
100%
[Vihtavuori 3N38]*
<<locked>>
61%
19116
52%
**06
85%
[Vihtavuori N105]*
<<locked>>
61%
15389
42%
**47
85%
Vihtavuori N32C Tin Star
<<locked>>
61%
19305
52%
**09
100%
Vihtavuori N330
<<locked>>
61%
31343
85%
**53
100%
Vihtavuori N340
<<locked>>
61%
28239
76%
**44
100%
Vihtavuori N350
<<locked>>
61%
24700
67%
**17
100%

Start Load - Barrel Length: 5.50''

Any powder missing? Then click here.

FR ... fill rate of the cartridge in percent

MaxP ... max. pressure of load in psi or bar

% ... max. pressure of load in percent of the maximum allowed pressure for this caliber 

V(0) ... muzzle velocity in feet per second (fps) or  meters per second (m/s)

z ... powder burnt in percent

[...] *... not dangerous but load has suboptimal powder burnt with possible characteristics such as extensive muzzle flash or inaccurate loads.

[...] ²... fill rate low - you might want to consider using a filler to ensure proper ignition.

[...] ᴾ... possible press load - work up slowly to this load while watching for signs of excessive pressure.

👍  ... recommended powder/load for this caliber and bullet combination based on its ballistic performance.

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