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Load data for .350 Mag. Rigby + .358 | 250gr | Hornady InterLock RN

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

.350 Mag. Rigby + .358 | 250gr | Hornady InterLock RN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.358 | 250gr | Hornady InterLock RN
Manufacturer SKU:
3525
Bullet Weight:
250gr | 16.2g
Bullet Diameter:
0.358" | 9.09mm
Bullet Length:
1.100" | 27.9mm
Caliber:
.350 Mag. Rigby load data
Case Length (l3):
2.750" | 69.8mm
Cartridge Length (C.O.L.):
3.521" | 89.4mm
Seated Depth:
0.329" | 8.3mm
Shank Seated Depth:
0.329" | 8.3mm
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_B2798_C501
Last updated:
2025-01-01

Load data for 84 loads in caliber .350 Mag. Rigby with .358 | 250gr | Hornady InterLock RN bullet and 42 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
[ADI AR 2209]*
<<locked>>
94%
40089
89%
**48
92%
[Accurate 3100]*
<<locked>>
97%
36695
82%
**85
94%
Accurate 4350
<<locked>>
89%
39972
89%
**70
97%
Alliant Reloder-16
<<locked>>
90%
40132
89%
**90
98%
Alliant Reloder-17 👍
<<locked>>
86%
40364
90%
**20
99%
[Alliant Reloder-19]*
<<locked>>
94%
40147
89%
**54
92%
Alliant Reloder-23
<<locked>>
97%
35636
79%
**21
98%
Alliant Reloder-26
<<locked>>
97%
38986
87%
**49
97%
Hodgdon H414
<<locked>>
85%
40379
90%
**74
95%
[Hodgdon H4350]*
<<locked>>
91%
39914
89%
**05
93%
Hodgdon Hybrid 100V
<<locked>>
92%
39958
89%
**44
99%
Hodgdon LVR
<<locked>>
87%
40408
90%
**61
97%
[Hodgdon Superperformance]*
<<locked>>
88%
39827
89%
**74
93%
[IMR 4350]*
<<locked>>
89%
40321
90%
**11
94%
[IMR 4451 Enduron]*
<<locked>>
84%
40379
90%
**85
94%
IMR 4831
<<locked>>
94%
40451
90%
**61
98%
Lovex S065
<<locked>>
86%
40408
90%
**02
96%
Lovex S070
<<locked>>
88%
40176
89%
**15
95%
[Lovex S071]*
<<locked>>
97%
30806
69%
**54
92%
[Norma 204]*
<<locked>>
90%
40379
90%
**41
92%
[Norma MRP]*
<<locked>>
97%
39552
88%
**16
94%
Norma URP
<<locked>>
90%
40379
90%
**70
97%
Ramshot Hunter
<<locked>>
90%
40219
89%
**74
95%
ReloadSwiss RS 60 👍
<<locked>>
87%
40248
90%
**26
100%
ReloadSwiss RS 62
<<locked>>
90%
40364
90%
**03
97%
ReloadSwiss RS 70
<<locked>>
90%
40306
90%
**07
97%
Rottweil R 903
<<locked>>
84%
40306
90%
**31
99%
[Rottweil R 905]*
<<locked>>
96%
40364
90%
**70
92%
[Rottweil R 907]*
<<locked>>
85%
40364
90%
**82
94%
[SNPE Vectan Tubal 7000]*
<<locked>>
87%
40074
89%
**56
94%
Shooters World Long Rifle
<<locked>>
86%
40408
90%
**02
96%
Somchem S355
<<locked>>
83%
40219
89%
**18
99%
Somchem S365 👍
<<locked>>
93%
39871
89%
**07
100%
[Somchem S385]*
<<locked>>
95%
40118
89%
**44
94%
Vihtavuori N135
<<locked>>
84%
40408
90%
**69
100%
Vihtavuori N150
<<locked>>
88%
40321
90%
**95
100%
Vihtavuori N160
<<locked>>
87%
39914
89%
**31
97%
Vihtavuori N550
<<locked>>
87%
40147
89%
**61
97%
Vihtavuori N555
<<locked>>
97%
38682
86%
**93
98%
Winchester 6.5 StaBALL
<<locked>>
88%
40277
90%
**21
99%
Winchester 760
<<locked>>
85%
40379
90%
**74
95%
Winchester StaBALL HD
<<locked>>
97%
31981
71%
**15
97%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2209]*
<<locked>>
91%
37101
83%
**79
90%
[Accurate 3100]*
<<locked>>
89%
27847
62%
**82
90%
[Accurate 4350]*
<<locked>>
81%
29791
66%
**41
94%
[Alliant Reloder-16]*
<<locked>>
81%
30632
68%
**57
94%
Alliant Reloder-17
<<locked>>
81%
34098
76%
**79
97%
[Alliant Reloder-19]*
<<locked>>
91%
36434
81%
**75
90%
[Alliant Reloder-23]*
<<locked>>
82%
23018
51%
**47
90%
[Alliant Reloder-26]*
<<locked>>
87%
27702
62%
**44
90%
[Hodgdon H414]*
<<locked>>
81%
35056
78%
**56
92%
[Hodgdon H4350]*
<<locked>>
84%
32706
73%
**44
90%
Hodgdon Hybrid 100V
<<locked>>
81%
27949
62%
**65
95%
[Hodgdon LVR]*
<<locked>>
81%
33112
74%
**06
94%
[Hodgdon Superperformance]*
<<locked>>
82%
33431
74%
**29
90%
[IMR 4350]*
<<locked>>
82%
32474
72%
**34
90%
[IMR 4451 Enduron]*
<<locked>>
81%
36912
82%
**16
93%
[IMR 4831]*
<<locked>>
81%
26498
59%
**36
92%
[Lovex S065]*
<<locked>>
81%
34258
76%
**67
94%
[Lovex S070]*
<<locked>>
81%
32387
72%
**44
92%
[Lovex S071]*
<<locked>>
94%
27978
62%
**85
90%
[Norma 204]*
<<locked>>
86%
36506
81%
**59
90%
[Norma MRP]*
<<locked>>
91%
32706
73%
**52
90%
[Norma URP]*
<<locked>>
81%
30501
68%
**54
94%
[Ramshot Hunter]*
<<locked>>
81%
29805
66%
**24
91%
ReloadSwiss RS 60
<<locked>>
81%
33040
73%
**65
98%
[ReloadSwiss RS 62]*
<<locked>>
81%
29849
66%
**60
93%
[ReloadSwiss RS 70]*
<<locked>>
81%
30110
67%
**54
91%
Rottweil R 903
<<locked>>
81%
36767
82%
**52
98%
[Rottweil R 905]*
<<locked>>
92%
35462
79%
**65
90%
[Rottweil R 907]*
<<locked>>
81%
35389
79%
**77
92%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
33243
74%
**11
92%
[Shooters World Long Rifle]*
<<locked>>
81%
34258
76%
**67
94%
Somchem S355
<<locked>>
81%
37637
84%
**62
98%
Somchem S365
<<locked>>
81%
27238
61%
**05
96%
[Somchem S385]*
<<locked>>
88%
32155
72%
**70
90%
Vihtavuori N135
<<locked>>
81%
36724
82%
**03
100%
Vihtavuori N150
<<locked>>
81%
32198
72%
**28
98%
Vihtavuori N160
<<locked>>
81%
33228
74%
**87
95%
Vihtavuori N550
<<locked>>
81%
33475
74%
**23
95%
[Vihtavuori N555]*
<<locked>>
82%
23670
53%
**00
90%
Winchester 6.5 StaBALL
<<locked>>
81%
31720
71%
**34
97%
[Winchester 760]*
<<locked>>
81%
35056
78%
**56
92%
[Winchester StaBALL HD]*
<<locked>>
88%
24120
54%
**36
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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