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Load data for .356 Win. + .357 | 158gr | MAGTECH FMJ FLAT

Recommended Powder(s): ADI AR 2207, IMR 4227, Lovex S053, ReloadSwiss RS 36

.356 Win. + .357 | 158gr | MAGTECH FMJ FLAT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.357 | 158gr | MAGTECH FMJ FLAT
Manufacturer SKU:
BU357D
Bullet Weight:
158gr | 10.2g
Bullet Diameter:
0.357" | 9.07mm
Bullet Length:
<<locked>>
Caliber:
.356 Win. load data
Case Length (l3):
2.014" | 51.2mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
55.0 Grains of Water | 3.57 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
52000 psi | 3585 bar
LID:
LID_B12276_C485
Last updated:
2026-03-05

Load data for 44 loads in caliber .356 Win. with .357 | 158gr | MAGTECH FMJ FLAT bullet and 22 powders such as ADI AR 2207, IMR 4227, Lovex S053, ReloadSwiss RS 36. 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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  • We recommend you limit powder range to relevant brands to speed up re-calculation of results

    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.

    .

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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 AR 2205
<<locked>>
86%
46441
89%
**16
100%
ADI AR 2207 👍
<<locked>>
96%
39871
77%
**98
99%
Accurate 1680
<<locked>>
90%
45847
88%
**15
95%
Accurate 5744
<<locked>>
83%
45934
88%
**08
98%
Accurate No. 11 FS
<<locked>>
83%
46470
89%
**95
100%
[Alliant Reloder-10x]*
<<locked>>
96%
32184
62%
**51
93%
Alliant Reloder-7
<<locked>>
97%
42728
82%
**95
97%
[Baschieri & Pellagri 106]*
<<locked>>
97%
38711
74%
**57
91%
[Hodgdon H4198]*
<<locked>>
96%
41974
81%
**10
91%
Hodgdon TrailBoss
<<locked>>
97%
27470
53%
**72
100%
IMR 4198
<<locked>>
96%
36506
70%
**67
95%
IMR 4227 👍
<<locked>>
93%
45803
88%
**95
99%
Lovex D060
<<locked>>
86%
46238
89%
**21
98%
Lovex S053 👍
<<locked>>
95%
46151
89%
**05
100%
Norma 200
<<locked>>
97%
36941
71%
**49
96%
ReloadSwiss RS 14
<<locked>>
95%
26150
50%
**94
100%
ReloadSwiss RS 36 👍
<<locked>>
94%
46485
89%
**51
99%
SNPE Vectan BA6 1/2
<<locked>>
97%
45368
87%
**61
100%
Shooters World Buffalo Rifle
<<locked>>
86%
46238
89%
**21
98%
Vihtavuori N110
<<locked>>
88%
45803
88%
**43
100%
Vihtavuori N120
<<locked>>
96%
36825
71%
**03
99%
[Vihtavuori N130]*
<<locked>>
96%
31401
60%
**59
92%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2205
<<locked>>
81%
40292
77%
**15
100%
[ADI AR 2207]*
<<locked>>
81%
24685
47%
**38
94%
[Accurate 1680]*
<<locked>>
81%
33243
64%
**69
90%
Accurate 5744
<<locked>>
81%
42714
82%
**49
97%
Accurate No. 11 FS
<<locked>>
81%
43062
83%
**46
99%
[Alliant Reloder-10x]*
<<locked>>
91%
27122
52%
**16
90%
[Alliant Reloder-7]*
<<locked>>
81%
26411
51%
**28
91%
[Baschieri & Pellagri 106]*
<<locked>>
94%
35462
68%
**92
90%
[Hodgdon H4198]*
<<locked>>
93%
38261
74%
**38
90%
Hodgdon TrailBoss
<<locked>>
88%
23859
46%
**96
100%
[IMR 4198]*
<<locked>>
84%
26165
50%
**98
90%
IMR 4227
<<locked>>
81%
32300
62%
**29
96%
Lovex D060
<<locked>>
81%
39972
77%
**00
96%
Lovex S053
<<locked>>
81%
31009
60%
**13
99%
[Norma 200]*
<<locked>>
84%
24976
48%
**51
90%
ReloadSwiss RS 14
<<locked>>
84%
21915
42%
**93
100%
ReloadSwiss RS 36
<<locked>>
81%
30661
59%
**36
95%
SNPE Vectan BA6 1/2
<<locked>>
81%
29559
57%
**88
100%
Shooters World Buffalo Rifle
<<locked>>
81%
39972
77%
**00
96%
Vihtavuori N110
<<locked>>
81%
37246
72%
**05
100%
Vihtavuori N120
<<locked>>
81%
23786
46%
**72
95%
[Vihtavuori N130]*
<<locked>>
92%
27920
54%
**74
90%

Start Load - Barrel Length: 23.60''

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.

<<locked>>... you need to buy an access license to unlock the data

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