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Load data for .350 Mag. Rigby + .358 | 250gr | Nosler Partition SP

Recommended Powder(s): Alliant Reloder-17, Hodgdon Hybrid 100V, ReloadSwiss RS 60, Somchem S365

.350 Mag. Rigby + .358 | 250gr | Nosler Partition SP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.358 | 250gr | Nosler Partition SP
Manufacturer SKU:
44801
Bullet Weight:
250gr | 16.2g
Bullet Diameter:
0.358" | 9.09mm
Bullet Length:
1.270" | 32.3mm
Caliber:
.350 Mag. Rigby load data
Case Length (l3):
2.750" | 69.8mm
Cartridge Length (C.O.L.):
3.521" | 89.4mm
Seated Depth:
0.499" | 12.7mm
Shank Seated Depth:
0.499" | 12.7mm
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_B4172_C501
Last updated:
2025-01-01

Load data for 90 loads in caliber .350 Mag. Rigby with .358 | 250gr | Nosler Partition SP bullet and 45 powders such as Alliant Reloder-17, Hodgdon Hybrid 100V, 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 2700
84%
90%
93%
Accurate 3100
97%
76%
93%
Accurate 4350
91%
89%
97%
Alliant Reloder- TS 15.5
83%
89%
99%
Alliant Reloder-16
92%
90%
97%
Alliant Reloder-17
88%
90%
99%
Alliant Reloder-23
97%
74%
97%
Alliant Reloder-26
97%
82%
95%
Hodgdon H414
87%
89%
94%
Hodgdon H4350
93%
90%
93%
Hodgdon Hybrid 100V
94%
89%
99%
Hodgdon LVR
89%
90%
96%
Hodgdon Superperformance
90%
90%
93%
Hodgdon VARGET
83%
89%
98%
IMR 4064
84%
90%
98%
IMR 4166 Enduron
84%
89%
94%
IMR 4350
91%
89%
93%
IMR 4451 Enduron
85%
89%
94%
IMR 4831
96%
89%
97%
Lovex S065
88%
90%
96%
Lovex S070
90%
89%
94%
Norma MRP
97%
83%
92%
Norma URP
91%
89%
97%
Ramshot Hunter
92%
90%
95%
ReloadSwiss RS 60
89%
90%
99%
ReloadSwiss RS 62
92%
89%
97%
ReloadSwiss RS 70
91%
89%
96%
Rottweil R 903
85%
89%
99%
Rottweil R 905
97%
88%
91%
Rottweil R 907
87%
89%
93%
SNPE Vectan SP 11
85%
90%
98%
SNPE Vectan Tubal 5000
83%
89%
100%
SNPE Vectan Tubal 7000
89%
90%
94%
Shooters World Long Rifle
88%
90%
96%
Somchem S355
85%
90%
99%
Somchem S365
95%
90%
100%
Somchem S385
97%
88%
93%
Vihtavuori N135
86%
89%
100%
Vihtavuori N150
90%
89%
99%
Vihtavuori N160
88%
89%
97%
Vihtavuori N550
88%
89%
97%
Vihtavuori N555
97%
79%
97%
Winchester 6.5 StaBALL
90%
90%
99%
Winchester 760
87%
89%
94%
Winchester StaBALL HD
97%
66%
95%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[Accurate 2700]*
<<locked>>
81%
36230
81%
**41
91%
[Accurate 3100]*
<<locked>>
92%
28747
64%
**92
90%
[Accurate 4350]*
<<locked>>
81%
28021
62%
**82
92%
Alliant Reloder- TS 15.5
<<locked>>
81%
37144
83%
**39
98%
[Alliant Reloder-16]*
<<locked>>
81%
29240
65%
**98
92%
Alliant Reloder-17
<<locked>>
81%
32213
72%
**16
96%
[Alliant Reloder-23]*
<<locked>>
85%
23859
53%
**60
90%
[Alliant Reloder-26]*
<<locked>>
89%
28601
64%
**51
90%
[Hodgdon H414]*
<<locked>>
81%
33127
74%
**90
91%
[Hodgdon H4350]*
<<locked>>
87%
33591
75%
**44
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
26527
59%
**10
93%
[Hodgdon LVR]*
<<locked>>
81%
31401
70%
**41
93%
[Hodgdon Superperformance]*
<<locked>>
85%
34301
76%
**26
90%
Hodgdon VARGET
<<locked>>
81%
37608
84%
**20
97%
IMR 4064
<<locked>>
81%
37072
82%
**00
97%
[IMR 4166 Enduron]*
<<locked>>
81%
37014
82%
**67
93%
[IMR 4350]*
<<locked>>
85%
33344
74%
**41
90%
[IMR 4451 Enduron]*
<<locked>>
81%
35172
78%
**57
92%
[IMR 4831]*
<<locked>>
81%
24961
56%
**73
90%
[Lovex S065]*
<<locked>>
81%
32430
72%
**08
93%
[Lovex S070]*
<<locked>>
81%
31038
69%
**85
90%
[Norma MRP]*
<<locked>>
94%
34084
76%
**65
90%
[Norma URP]*
<<locked>>
81%
28689
64%
**88
92%
[Ramshot Hunter]*
<<locked>>
83%
30182
67%
**18
90%
ReloadSwiss RS 60
<<locked>>
81%
31256
70%
**93
97%
[ReloadSwiss RS 62]*
<<locked>>
81%
28036
62%
**95
91%
[ReloadSwiss RS 70]*
<<locked>>
82%
29196
65%
**05
90%
Rottweil R 903
<<locked>>
81%
34635
77%
**97
98%
[Rottweil R 905]*
<<locked>>
94%
36579
81%
**65
90%
[Rottweil R 907]*
<<locked>>
81%
33576
75%
**18
90%
SNPE Vectan SP 11
<<locked>>
81%
35607
79%
**43
97%
SNPE Vectan Tubal 5000
<<locked>>
81%
37478
83%
**57
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
31270
70%
**56
90%
[Shooters World Long Rifle]*
<<locked>>
81%
32430
72%
**08
93%
Somchem S355
<<locked>>
81%
35534
79%
**03
98%
Somchem S365
<<locked>>
81%
25628
57%
**39
95%
[Somchem S385]*
<<locked>>
92%
33591
75%
**90
90%
Vihtavuori N135
<<locked>>
81%
34722
77%
**51
100%
Vihtavuori N150
<<locked>>
81%
30356
68%
**65
97%
[Vihtavuori N160]*
<<locked>>
81%
31154
69%
**18
94%
[Vihtavuori N550]*
<<locked>>
81%
31647
70%
**64
94%
[Vihtavuori N555]*
<<locked>>
84%
24105
54%
**03
90%
Winchester 6.5 StaBALL
<<locked>>
81%
30081
67%
**75
95%
[Winchester 760]*
<<locked>>
81%
33127
74%
**90
91%
[Winchester StaBALL HD]*
<<locked>>
91%
24976
56%
**42
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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