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Load data for .350 Mag. Rigby + .358 | 250gr | Impala RNFP KO

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

.350 Mag. Rigby + .358 | 250gr | Impala RNFP KO

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Load data for 78 loads in caliber .350 Mag. Rigby with .358 | 250gr | Impala RNFP KO bullet and 39 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 2700
83%
89%
92%
Accurate 3100
97%
79%
93%
Accurate 4350
90%
89%
97%
Alliant Reloder-16
91%
90%
97%
Alliant Reloder-17
87%
89%
99%
Alliant Reloder-23
97%
78%
97%
Alliant Reloder-26
97%
85%
95%
Hodgdon H414
86%
90%
94%
Hodgdon H4350
92%
90%
93%
Hodgdon Hybrid 100V
93%
89%
98%
Hodgdon LVR
88%
90%
96%
Hodgdon Superperformance
89%
89%
92%
IMR 4350
90%
89%
93%
IMR 4451 Enduron
85%
89%
93%
IMR 4831
95%
89%
97%
Lovex S065
87%
89%
95%
Lovex S070
89%
89%
94%
Norma MRP
97%
84%
92%
Norma URP
90%
89%
97%
Ramshot Hunter
91%
90%
95%
ReloadSwiss RS 60
88%
89%
99%
ReloadSwiss RS 62
91%
90%
97%
ReloadSwiss RS 70
91%
90%
96%
Rottweil R 903
85%
90%
99%
Rottweil R 907
86%
89%
93%
SNPE Vectan SP 11
84%
89%
98%
SNPE Vectan Tubal 7000
87%
89%
94%
Shooters World Long Rifle
87%
89%
95%
Somchem S355
84%
90%
99%
Somchem S365
94%
89%
100%
Somchem S385
96%
90%
93%
Vihtavuori N135
85%
90%
100%
Vihtavuori N150
89%
89%
99%
Vihtavuori N160
88%
89%
97%
Vihtavuori N550
88%
89%
97%
Vihtavuori N555
97%
83%
97%
Winchester 6.5 StaBALL
89%
90%
99%
Winchester 760
86%
90%
94%
Winchester StaBALL HD
97%
69%
95%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
Accurate 2700
81%
83%
91%
Accurate 3100
91%
65%
90%
Accurate 4350
81%
66%
93%
Alliant Reloder-16
81%
67%
93%
Alliant Reloder-17
81%
74%
96%
Alliant Reloder-23
84%
54%
90%
Alliant Reloder-26
89%
65%
90%
Hodgdon H414
81%
76%
91%
Hodgdon H4350
86%
77%
90%
Hodgdon Hybrid 100V
81%
62%
94%
Hodgdon LVR
81%
73%
93%
Hodgdon Superperformance
85%
79%
90%
IMR 4350
85%
76%
90%
IMR 4451 Enduron
81%
80%
92%
IMR 4831
81%
59%
91%
Lovex S065
81%
75%
93%
Lovex S070
81%
71%
90%
Norma MRP
94%
77%
90%
Norma URP
81%
67%
93%
Ramshot Hunter
82%
68%
90%
ReloadSwiss RS 60
81%
72%
97%
ReloadSwiss RS 62
81%
65%
92%
ReloadSwiss RS 70
81%
67%
90%
Rottweil R 903
81%
81%
98%
Rottweil R 907
81%
78%
91%
SNPE Vectan SP 11
81%
82%
97%
SNPE Vectan Tubal 7000
81%
73%
91%
Shooters World Long Rifle
81%
75%
93%
Somchem S355
81%
82%
98%
Somchem S365
81%
60%
95%
Somchem S385
91%
76%
90%
Vihtavuori N135
81%
80%
100%
Vihtavuori N150
81%
71%
98%
Vihtavuori N160
81%
72%
94%
Vihtavuori N550
81%
73%
94%
Vihtavuori N555
83%
55%
90%
Winchester 6.5 StaBALL
81%
70%
96%
Winchester 760
81%
76%
91%
Winchester StaBALL HD
90%
57%
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.

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