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Load data for .350 Mag. Rigby + .358 | 250gr | Barnes X S

Recommended Powder(s): Alliant Reloder-17, ReloadSwiss RS 60, Somchem S365

.350 Mag. Rigby + .358 | 250gr | Barnes X S

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.358 | 250gr | Barnes X S
Manufacturer SKU:
35835
Bullet Weight:
250gr | 16.2g
Bullet Diameter:
0.358" | 9.09mm
Bullet Length:
1.380" | 35.1mm
Caliber:
.350 Mag. Rigby load data
Case Length (l3):
2.750" | 69.8mm
Cartridge Length (C.O.L.):
3.521" | 89.4mm
Seated Depth:
0.609" | 15.5mm
Shank Seated Depth:
0.609" | 15.5mm
Case Capacity:
91.1 Grains of Water | 5.92 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
44962 psi | 3100 bar
LID:
LID_B712_C501
Last updated:
2025-01-01

Load data for 70 loads in caliber .350 Mag. Rigby with .358 | 250gr | Barnes X S bullet and 35 powders such as Alliant Reloder-17, ReloadSwiss RS 60, Somchem S365. 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
[Accurate 3100]*
<<locked>>
97%
38058
85%
**52
94%
Accurate 4350
<<locked>>
89%
40176
89%
**11
97%
Alliant Reloder-16
<<locked>>
90%
40408
90%
**25
97%
Alliant Reloder-17 👍
<<locked>>
86%
40364
90%
**57
99%
Alliant Reloder-23
<<locked>>
97%
36579
81%
**75
97%
Alliant Reloder-26
<<locked>>
97%
40089
89%
**00
96%
[Hodgdon H414]*
<<locked>>
85%
40422
90%
**11
94%
[Hodgdon H4350]*
<<locked>>
90%
40451
90%
**49
93%
Hodgdon Hybrid 100V
<<locked>>
92%
40422
90%
**88
98%
Hodgdon LVR
<<locked>>
86%
40045
89%
**92
96%
[Hodgdon Superperformance]*
<<locked>>
87%
40074
89%
**15
92%
[IMR 4350]*
<<locked>>
89%
40321
90%
**43
93%
[IMR 4451 Enduron]*
<<locked>>
83%
40205
89%
**20
93%
IMR 4831
<<locked>>
94%
40451
90%
**08
97%
Lovex S065
<<locked>>
85%
40059
89%
**26
95%
[Lovex S070]*
<<locked>>
87%
40393
90%
**56
94%
[Lovex S071]*
<<locked>>
97%
32314
72%
**34
92%
[Norma MRP]*
<<locked>>
97%
40190
89%
**67
93%
Norma URP
<<locked>>
89%
40277
90%
**11
97%
Ramshot Hunter
<<locked>>
90%
40335
90%
**15
95%
ReloadSwiss RS 60 👍
<<locked>>
87%
40292
90%
**67
99%
ReloadSwiss RS 62
<<locked>>
89%
39987
89%
**31
96%
ReloadSwiss RS 70
<<locked>>
89%
40393
90%
**38
95%
[Rottweil R 907]*
<<locked>>
84%
40045
89%
**16
93%
[SNPE Vectan Tubal 7000]*
<<locked>>
86%
40074
89%
**93
94%
Shooters World Long Rifle
<<locked>>
85%
40059
89%
**26
95%
Somchem S365 👍
<<locked>>
93%
40306
90%
**57
100%
[Somchem S385]*
<<locked>>
95%
40103
89%
**82
93%
Vihtavuori N150
<<locked>>
87%
40379
90%
**33
99%
Vihtavuori N160
<<locked>>
86%
40147
89%
**75
97%
Vihtavuori N550
<<locked>>
86%
40364
90%
**11
97%
Vihtavuori N555
<<locked>>
97%
39508
88%
**54
97%
Winchester 6.5 StaBALL
<<locked>>
88%
40422
90%
**59
99%
[Winchester 760]*
<<locked>>
85%
40422
90%
**11
94%
Winchester StaBALL HD
<<locked>>
97%
33185
74%
**65
97%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[Accurate 3100]*
<<locked>>
88%
29370
65%
**59
90%
[Accurate 4350]*
<<locked>>
81%
31734
71%
**31
94%
[Alliant Reloder-16]*
<<locked>>
81%
31691
70%
**21
93%
Alliant Reloder-17
<<locked>>
81%
35128
78%
**43
97%
[Alliant Reloder-23]*
<<locked>>
81%
24453
54%
**28
90%
[Alliant Reloder-26]*
<<locked>>
87%
29834
66%
**34
90%
[Hodgdon H414]*
<<locked>>
81%
36158
80%
**16
92%
[Hodgdon H4350]*
<<locked>>
85%
34722
77%
**28
90%
Hodgdon Hybrid 100V
<<locked>>
81%
29544
66%
**46
95%
[Hodgdon LVR]*
<<locked>>
81%
34374
76%
**70
94%
[Hodgdon Superperformance]*
<<locked>>
84%
36129
80%
**23
90%
[IMR 4350]*
<<locked>>
83%
34200
76%
**11
90%
[IMR 4451 Enduron]*
<<locked>>
81%
37826
84%
**74
92%
[IMR 4831]*
<<locked>>
81%
28239
63%
**19
92%
[Lovex S065]*
<<locked>>
81%
35795
80%
**34
94%
[Lovex S070]*
<<locked>>
81%
34026
76%
**08
91%
[Lovex S071]*
<<locked>>
93%
29370
65%
**59
90%
[Norma MRP]*
<<locked>>
92%
34882
78%
**43
90%
[Norma URP]*
<<locked>>
81%
31836
71%
**21
94%
[Ramshot Hunter]*
<<locked>>
81%
31256
70%
**98
90%
ReloadSwiss RS 60
<<locked>>
81%
34214
76%
**26
98%
[ReloadSwiss RS 62]*
<<locked>>
81%
31241
69%
**34
93%
[ReloadSwiss RS 70]*
<<locked>>
81%
31343
70%
**21
91%
[Rottweil R 907]*
<<locked>>
81%
36753
82%
**44
91%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
34563
77%
**82
92%
[Shooters World Long Rifle]*
<<locked>>
81%
35795
80%
**34
94%
Somchem S365
<<locked>>
81%
29051
65%
**88
96%
[Somchem S385]*
<<locked>>
89%
34519
77%
**64
90%
Vihtavuori N150
<<locked>>
81%
33489
74%
**92
98%
Vihtavuori N160
<<locked>>
81%
34418
77%
**47
95%
Vihtavuori N550
<<locked>>
81%
34838
77%
**93
95%
[Vihtavuori N555]*
<<locked>>
81%
25585
57%
**96
91%
Winchester 6.5 StaBALL
<<locked>>
81%
32996
73%
**98
96%
[Winchester 760]*
<<locked>>
81%
36158
80%
**16
92%
[Winchester StaBALL HD]*
<<locked>>
88%
25991
58%
**26
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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