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Load data for .350 Mag. Rigby + .358 | 275gr | A-Square DeadTough

Recommended Powder(s): Accurate 4350, Alliant Reloder-16, Alliant Reloder-23, Vihtavuori N555, Winchester StaBALL HD

.350 Mag. Rigby + .358 | 275gr | A-Square DeadTough

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.358 | 275gr | A-Square DeadTough
Bullet Weight:
275gr | 17.8g
Bullet Diameter:
0.358" | 9.09mm
Bullet Length:
1.000" | 25.4mm
Caliber:
.350 Mag. Rigby load data
Case Length (l3):
2.750" | 69.8mm
Cartridge Length (C.O.L.):
3.521" | 89.4mm
Seated Depth:
0.229" | 5.8mm
Shank Seated Depth:
0.229" | 5.8mm
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_B385_C501
Last updated:
2025-01-01

Load data for 80 loads in caliber .350 Mag. Rigby with .358 | 275gr | A-Square DeadTough bullet and 40 powders such as Accurate 4350, Alliant Reloder-16, Alliant Reloder-23, Vihtavuori N555, Winchester StaBALL HD. 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>>
90%
40234
89%
**69
94%
[ADI AR 2213]*
<<locked>>
94%
40132
89%
**79
91%
Accurate 3100
<<locked>>
95%
40089
89%
**59
97%
Accurate 4350 👍
<<locked>>
86%
40379
90%
**72
99%
Alliant Reloder-16 👍
<<locked>>
86%
40147
89%
**92
99%
[Alliant Reloder-19]*
<<locked>>
91%
40364
90%
**72
94%
[Alliant Reloder-22]*
<<locked>>
95%
40161
89%
**11
94%
Alliant Reloder-23 👍
<<locked>>
97%
40161
89%
**25
100%
Alliant Reloder-25
<<locked>>
97%
35346
79%
**33
96%
Alliant Reloder-26
<<locked>>
93%
39943
89%
**77
98%
Hodgdon H4350
<<locked>>
87%
40393
90%
**20
95%
Hodgdon Hybrid 100V
<<locked>>
89%
40306
90%
**49
100%
Hodgdon LVR
<<locked>>
83%
40277
90%
**62
98%
Hodgdon Superperformance
<<locked>>
85%
40321
90%
**02
96%
IMR 4350
<<locked>>
86%
40277
90%
**20
95%
IMR 4831
<<locked>>
90%
40103
89%
**52
99%
[IMR 4955 Enduron]*
<<locked>>
92%
40190
89%
**13
92%
[IMR 7828 SSC]*
<<locked>>
93%
40030
89%
**88
92%
Lovex S070
<<locked>>
85%
40306
90%
**20
96%
Lovex S071
<<locked>>
97%
35491
79%
**67
96%
[Norma 204]*
<<locked>>
86%
40161
89%
**52
94%
Norma MRP
<<locked>>
93%
40118
89%
**44
96%
Norma URP
<<locked>>
86%
40248
90%
**69
99%
Ramshot Hunter
<<locked>>
87%
40132
89%
**82
97%
Ramshot Magnum
<<locked>>
96%
40350
90%
**02
95%
ReloadSwiss RS 60
<<locked>>
83%
39958
89%
**28
100%
ReloadSwiss RS 62
<<locked>>
86%
40074
89%
**95
98%
ReloadSwiss RS 70
<<locked>>
87%
40466
90%
**21
98%
[Rottweil R 904]*
<<locked>>
89%
40422
90%
**29
93%
[Rottweil R 905]*
<<locked>>
92%
40379
90%
**82
94%
SNPE Vectan Tubal 7000
<<locked>>
83%
40321
90%
**67
96%
Somchem S365
<<locked>>
89%
40074
89%
**02
100%
Somchem S385
<<locked>>
91%
39900
89%
**46
95%
Vihtavuori N150
<<locked>>
85%
40248
90%
**90
100%
Vihtavuori N160
<<locked>>
83%
40147
89%
**33
98%
Vihtavuori N165
<<locked>>
97%
40248
90%
**46
95%
Vihtavuori N555 👍
<<locked>>
93%
40321
90%
**15
99%
[Vihtavuori N560]*
<<locked>>
95%
40451
90%
**25
92%
Winchester 6.5 StaBALL
<<locked>>
85%
40248
90%
**23
100%
Winchester StaBALL HD 👍
<<locked>>
97%
36216
81%
**48
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2209]*
<<locked>>
84%
32576
72%
**92
90%
[ADI AR 2213]*
<<locked>>
91%
37159
83%
**16
90%
[Accurate 3100]*
<<locked>>
81%
24918
55%
**11
90%
Accurate 4350
<<locked>>
81%
34345
76%
**51
97%
Alliant Reloder-16
<<locked>>
81%
34084
76%
**60
97%
[Alliant Reloder-19]*
<<locked>>
83%
31966
71%
**88
90%
[Alliant Reloder-22]*
<<locked>>
88%
32242
72%
**34
90%
[Alliant Reloder-23]*
<<locked>>
81%
24758
55%
**41
94%
[Alliant Reloder-25]*
<<locked>>
87%
26556
59%
**90
90%
[Alliant Reloder-26]*
<<locked>>
81%
26107
58%
**23
92%
[Hodgdon H4350]*
<<locked>>
81%
33156
74%
**69
92%
Hodgdon Hybrid 100V
<<locked>>
81%
31415
70%
**69
98%
Hodgdon LVR
<<locked>>
81%
37333
83%
**00
97%
[Hodgdon Superperformance]*
<<locked>>
81%
35563
79%
**97
94%
[IMR 4350]*
<<locked>>
81%
34679
77%
**05
93%
IMR 4831
<<locked>>
81%
30037
67%
**42
96%
[IMR 4955 Enduron]*
<<locked>>
89%
36506
81%
**38
90%
[IMR 7828 SSC]*
<<locked>>
91%
37159
83%
**23
90%
Lovex S070
<<locked>>
81%
36201
81%
**38
95%
[Lovex S071]*
<<locked>>
86%
25063
56%
**14
90%
[Norma 204]*
<<locked>>
81%
33982
76%
**21
91%
[Norma MRP]*
<<locked>>
84%
29138
65%
**78
90%
Norma URP
<<locked>>
81%
34345
76%
**51
97%
Ramshot Hunter
<<locked>>
81%
33460
74%
**34
95%
[Ramshot Magnum]*
<<locked>>
90%
31604
70%
**01
90%
ReloadSwiss RS 60
<<locked>>
81%
37028
82%
**72
100%
ReloadSwiss RS 62
<<locked>>
81%
33881
75%
**64
97%
ReloadSwiss RS 70
<<locked>>
81%
33591
75%
**70
96%
[Rottweil R 904]*
<<locked>>
85%
34867
78%
**11
90%
[Rottweil R 905]*
<<locked>>
84%
31183
69%
**75
90%
SNPE Vectan Tubal 7000
<<locked>>
81%
37318
83%
**08
95%
Somchem S365
<<locked>>
81%
30719
68%
**11
99%
[Somchem S385]*
<<locked>>
81%
28776
64%
**00
90%
Vihtavuori N150
<<locked>>
81%
35752
80%
**05
100%
Vihtavuori N160
<<locked>>
81%
37202
83%
**80
98%
[Vihtavuori N165]*
<<locked>>
88%
30124
67%
**19
90%
Vihtavuori N555
<<locked>>
81%
26643
59%
**10
95%
[Vihtavuori N560]*
<<locked>>
92%
37144
83%
**56
90%
Winchester 6.5 StaBALL
<<locked>>
81%
35186
78%
**31
99%
[Winchester StaBALL HD]*
<<locked>>
81%
21770
48%
**82
91%

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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