top of page

Load data for .357 Auto Magnum + .356 | 125gr | H&N RN KB

You need to be a member to bookmark a  load !

Bookmark this load
>> My bookmarks

Recommended Powder(s):

.357 Auto Magnum + .356 | 125gr | H&N RN KB

Load Specifications

Bullet:
.356 | 125gr | H&N RN KB
Bullet Weight:
125gr | 8.1g
Bullet Diameter:
0.356" | 9.04mm
Bullet Length:
0.598" | 15.2mm
Caliber:
.357 Auto Magnum load data
Case Length (l3):
1.299" | 33.0mm
Cartridge Length (C.O.L.):
1.576" | 40.0mm
Seated Depth:
0.321" | 8.2mm
Shank Seated Depth:
0.301" | 7.7mm
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_B7453_C511
Last updated:
2025-01-01

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

Load data for 94 loads in caliber .357 Auto Magnum with .356 | 125gr | H&N RN KB bullet and 47 powder(s). 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".

  • No data yet

  • .

    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>>
84%
33228
90%
**94
99%
ADI APS 350
<<locked>>
63%
31778
86%
**76
100%
ADI APS 450
<<locked>>
66%
32982
89%
**32
100%
ADI AS 30
<<locked>>
66%
31937
86%
**55
100%
ADI AS 50N
<<locked>>
63%
33011
89%
**21
100%
Accurate No. 2
<<locked>>
63%
31473
85%
**90
100%
Accurate No. 7
<<locked>>
66%
33069
89%
**50
92%
[Accurate No. 9]*
<<locked>>
73%
32082
87%
**31
86%
Accurate Solo 1000
<<locked>>
66%
32866
89%
**04
100%
Accurate Solo 1250
<<locked>>
69%
32474
88%
**57
100%
[Accurate TCM]*
<<locked>>
73%
32430
88%
**31
88%
[Alliant 2400]*
<<locked>>
83%
33011
89%
**54
83%
Alliant BLUE DOT
<<locked>>
84%
32111
87%
**24
90%
Alliant POWER PISTOL
<<locked>>
68%
31865
86%
**21
98%
Alliant UNIQUE
<<locked>>
69%
32532
88%
**32
100%
Baschieri & Pellagri 100
<<locked>>
65%
31517
85%
**88
100%
Hodgdon Clays
<<locked>>
63%
32285
87%
**99
100%
Hodgdon Universal
<<locked>>
63%
32140
87%
**67
100%
Hodgdon TrailBoss
<<locked>>
97%
18347
50%
**15
100%
Lovex D037.1
<<locked>>
66%
33069
89%
**50
92%
[Lovex D037.2]*
<<locked>>
72%
32663
88%
**37
86%
Lovex S020
<<locked>>
63%
32590
88%
**90
100%
Maxam CSB 1
<<locked>>
72%
32445
88%
**50
100%
Maxam CSB 2
<<locked>>
69%
33011
89%
**53
100%
Maxam CSB 3
<<locked>>
67%
32372
88%
**21
100%
Maxam CSB 4
<<locked>>
65%
32706
88%
**04
100%
[Ramshot Enforcer]*
<<locked>>
84%
33025
89%
**63
84%
ReloadSwiss RS 14
<<locked>>
97%
16737
45%
**22
100%
ReloadSwiss RS 20
<<locked>>
70%
32663
88%
**19
100%
ReloadSwiss RS 24
<<locked>>
71%
32619
88%
**34
94%
Rottweil P 806 👍
<<locked>>
75%
32518
88%
**34
100%
SNPE Vectan A0
<<locked>>
72%
33141
90%
**99
100%
SNPE Vectan BA 9
<<locked>>
65%
32416
88%
**57
100%
SNPE Vectan BA7 1/2 👍
<<locked>>
76%
32953
89%
**55
100%
SNPE Vectan BA9 1/2
<<locked>>
65%
31676
86%
**53
100%
[Shooters World Heavy Pistol]*
<<locked>>
72%
32663
88%
**37
86%
Shooters World Major Pistol
<<locked>>
66%
33069
89%
**50
92%
Somchem MP200
<<locked>>
63%
31792
86%
**09
100%
Somchem MS200
<<locked>>
67%
31981
86%
**99
100%
Vihtavuori 3N37
<<locked>>
70%
33199
90%
**88
100%
Vihtavuori 3N38
<<locked>>
81%
32996
89%
**24
95%
Vihtavuori N105
<<locked>>
86%
31894
86%
**57
98%
Vihtavuori N320
<<locked>>
63%
32358
87%
**04
100%
Vihtavuori N32C Tin Star
<<locked>>
88%
33127
90%
**35
100%
Vihtavuori N330
<<locked>>
63%
31459
85%
**50
100%
Vihtavuori N340
<<locked>>
69%
33272
90%
**22
100%
Vihtavuori N350
<<locked>>
73%
32750
89%
**68
100%

Max Load - Barrel Length: 5.50''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AP 100]*
<<locked>>
61%
16882
46%
**27
89%
ADI APS 350
<<locked>>
61%
29834
81%
**53
100%
ADI APS 450
<<locked>>
61%
29385
79%
**76
100%
ADI AS 30
<<locked>>
61%
28282
76%
**99
100%
ADI AS 50N
<<locked>>
61%
31198
84%
**98
100%
Accurate No. 2
<<locked>>
61%
29646
80%
**53
100%
[Accurate No. 7]*
<<locked>>
61%
27572
75%
**42
89%
[Accurate No. 9]*
<<locked>>
66%
24526
66%
**60
80%
Accurate Solo 1000
<<locked>>
61%
29153
79%
**52
100%
Accurate Solo 1250
<<locked>>
61%
25469
69%
**42
100%
[Accurate TCM]*
<<locked>>
64%
23670
64%
**34
81%
[Alliant 2400]*
<<locked>>
79%
29066
79%
**85
81%
[Alliant BLUE DOT]*
<<locked>>
67%
19290
52%
**25
80%
Alliant POWER PISTOL
<<locked>>
61%
26005
70%
**90
95%
Alliant UNIQUE
<<locked>>
61%
25962
70%
**24
100%
Baschieri & Pellagri 100
<<locked>>
61%
27949
76%
**32
100%
Hodgdon Clays
<<locked>>
61%
30385
82%
**76
100%
Hodgdon Universal
<<locked>>
61%
30400
82%
**44
100%
Hodgdon TrailBoss
<<locked>>
60%
8282
22%
**0
100%
[Lovex D037.1]*
<<locked>>
61%
27572
75%
**42
89%
[Lovex D037.2]*
<<locked>>
66%
25019
68%
**73
80%
Lovex S020
<<locked>>
61%
30864
83%
**70
100%
Maxam CSB 1
<<locked>>
61%
24323
66%
**19
100%
Maxam CSB 2
<<locked>>
61%
26063
70%
**48
100%
Maxam CSB 3
<<locked>>
61%
27180
74%
**45
100%
Maxam CSB 4
<<locked>>
61%
28979
78%
**52
100%
[Ramshot Enforcer]*
<<locked>>
79%
27615
75%
**65
81%
ReloadSwiss RS 14
<<locked>>
61%
7673
21%
**3
100%
ReloadSwiss RS 20
<<locked>>
61%
24584
66%
**81
100%
[ReloadSwiss RS 24]*
<<locked>>
61%
23308
63%
**27
88%
Rottweil P 806
<<locked>>
61%
19392
52%
**48
96%
SNPE Vectan A0
<<locked>>
61%
23888
65%
**45
100%
SNPE Vectan BA 9
<<locked>>
61%
29167
79%
**07
100%
SNPE Vectan BA7 1/2
<<locked>>
61%
20958
57%
**16
98%
SNPE Vectan BA9 1/2
<<locked>>
61%
28311
77%
**01
100%
[Shooters World Heavy Pistol]*
<<locked>>
66%
25019
68%
**73
80%
[Shooters World Major Pistol]*
<<locked>>
61%
27572
75%
**42
89%
Somchem MP200
<<locked>>
61%
30124
81%
**90
100%
Somchem MS200
<<locked>>
61%
27122
73%
**14
100%
Vihtavuori 3N37
<<locked>>
61%
24178
65%
**07
99%
[Vihtavuori 3N38]*
<<locked>>
61%
17114
46%
**57
83%
[Vihtavuori N105]*
<<locked>>
62%
13750
37%
**88
81%
Vihtavuori N320
<<locked>>
61%
30400
82%
**78
100%
Vihtavuori N32C Tin Star
<<locked>>
61%
17245
47%
**76
100%
Vihtavuori N330
<<locked>>
61%
29588
80%
**24
100%
Vihtavuori N340
<<locked>>
61%
26556
72%
**01
100%
Vihtavuori N350
<<locked>>
61%
22321
60%
**71
99%

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.

bottom of page