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Load data for .400/350 Rigby N.E. + .358 | 250gr | Speer Grand Slam

Recommended Powder(s): none

.400/350 Rigby N.E. + .358 | 250gr | Speer Grand Slam

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.358 | 250gr | Speer Grand Slam
Manufacturer SKU:
2455
Bullet Weight:
250gr | 16.2g
Bullet Diameter:
0.358" | 9.09mm
Bullet Length:
1.225" | 31.1mm
Caliber:
.400/350 Rigby N.E. load data
Case Length (l3):
2.750" | 69.8mm
Cartridge Length (C.O.L.):
3.546" | 90.1mm
Seated Depth:
0.429" | 10.9mm
Shank Seated Depth:
0.429" | 10.9mm
Case Capacity:
78.0 Grains of Water | 5.06 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
40611 psi | 2800 bar
LID:
LID_B6238_C654
Last updated:
2025-01-01

Load data for 70 loads in caliber .400/350 Rigby N.E. with .358 | 250gr | Speer Grand Slam bullet and 35 powders such as none. 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 2208
<<locked>>
85%
36550
90%
**24
95%
Accurate 4064
<<locked>>
85%
36187
89%
**57
100%
[Accurate 4350]*
<<locked>>
95%
36187
89%
**10
94%
Alliant Reloder- TS 15.5
<<locked>>
85%
36477
90%
**64
97%
[Alliant Reloder-16]*
<<locked>>
93%
36361
90%
**93
94%
Alliant Reloder-17
<<locked>>
90%
36303
89%
**29
96%
[Hodgdon CFE223]*
<<locked>>
84%
36448
90%
**93
94%
[Hodgdon H380]*
<<locked>>
84%
36100
89%
**44
94%
Hodgdon Hybrid 100V
<<locked>>
96%
36274
89%
**74
96%
[Hodgdon LVR]*
<<locked>>
91%
36289
89%
**80
93%
Hodgdon VARGET
<<locked>>
85%
36361
90%
**21
95%
IMR 4064
<<locked>>
85%
36042
89%
**11
95%
[IMR 4831]*
<<locked>>
97%
33997
84%
**47
94%
Lovex S062
<<locked>>
83%
36201
89%
**28
97%
[Lovex S065]*
<<locked>>
90%
36318
89%
**24
93%
[Norma URP]*
<<locked>>
94%
36201
89%
**97
94%
Ramshot Big Game
<<locked>>
84%
36550
90%
**87
96%
[ReloadSwiss RS 50]*
<<locked>>
84%
36143
89%
**15
91%
ReloadSwiss RS 52
<<locked>>
85%
36434
90%
**06
98%
ReloadSwiss RS 60
<<locked>>
90%
36027
89%
**29
97%
[ReloadSwiss RS 62]*
<<locked>>
94%
36260
89%
**23
94%
[ReloadSwiss RS 70]*
<<locked>>
93%
36172
89%
**97
92%
Rottweil R 903
<<locked>>
88%
36027
89%
**64
97%
SNPE Vectan SP 11
<<locked>>
86%
35940
89%
**77
96%
SNPE Vectan Tubal 5000
<<locked>>
85%
36376
90%
**75
100%
[Shooters World Long Rifle]*
<<locked>>
90%
36318
89%
**24
93%
Shooters World Precision
<<locked>>
83%
36201
89%
**28
97%
Somchem S355
<<locked>>
87%
36216
89%
**47
97%
Somchem S365
<<locked>>
97%
35418
87%
**20
98%
Vihtavuori N135
<<locked>>
88%
36521
90%
**31
100%
Vihtavuori N150
<<locked>>
92%
36332
89%
**38
98%
[Vihtavuori N160]*
<<locked>>
91%
36318
89%
**64
94%
[Vihtavuori N550]*
<<locked>>
91%
36506
90%
**03
94%
[Vihtavuori N555]*
<<locked>>
97%
29457
73%
**92
92%
Winchester 6.5 StaBALL
<<locked>>
92%
36477
90%
**41
96%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2208]*
<<locked>>
81%
32793
81%
**42
94%
Accurate 4064
<<locked>>
81%
32372
80%
**82
99%
[Accurate 4350]*
<<locked>>
86%
27195
67%
**06
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
31575
78%
**62
96%
[Alliant Reloder-16]*
<<locked>>
86%
29443
72%
**19
90%
[Alliant Reloder-17]*
<<locked>>
81%
27673
68%
**10
92%
[Hodgdon CFE223]*
<<locked>>
81%
32648
80%
**05
93%
[Hodgdon H380]*
<<locked>>
81%
32300
80%
**62
92%
[Hodgdon Hybrid 100V]*
<<locked>>
84%
24961
61%
**88
90%
[Hodgdon LVR]*
<<locked>>
85%
30052
74%
**36
90%
[Hodgdon VARGET]*
<<locked>>
81%
32619
80%
**39
94%
[IMR 4064]*
<<locked>>
81%
32126
79%
**26
94%
[IMR 4831]*
<<locked>>
90%
27644
68%
**90
90%
Lovex S062
<<locked>>
81%
34026
84%
**82
97%
[Lovex S065]*
<<locked>>
85%
31241
77%
**06
90%
[Norma URP]*
<<locked>>
86%
28703
71%
**13
90%
[Ramshot Big Game]*
<<locked>>
81%
33112
82%
**11
94%
[ReloadSwiss RS 50]*
<<locked>>
82%
33605
83%
**56
90%
ReloadSwiss RS 52
<<locked>>
81%
32024
79%
**08
97%
[ReloadSwiss RS 60]*
<<locked>>
81%
27035
67%
**90
92%
[ReloadSwiss RS 62]*
<<locked>>
88%
29559
73%
**65
90%
[ReloadSwiss RS 70]*
<<locked>>
90%
33156
82%
**28
90%
[Rottweil R 903]*
<<locked>>
81%
29124
72%
**10
94%
[SNPE Vectan SP 11]*
<<locked>>
81%
30501
75%
**52
93%
SNPE Vectan Tubal 5000
<<locked>>
81%
32358
80%
**96
99%
[Shooters World Long Rifle]*
<<locked>>
85%
31241
77%
**06
90%
Shooters World Precision
<<locked>>
81%
34026
84%
**82
97%
[Somchem S355]*
<<locked>>
81%
30356
75%
**23
94%
[Somchem S365]*
<<locked>>
83%
23061
57%
**75
90%
Vihtavuori N135
<<locked>>
81%
29269
72%
**83
99%
[Vihtavuori N150]*
<<locked>>
81%
25657
63%
**91
94%
[Vihtavuori N160]*
<<locked>>
83%
28761
71%
**83
90%
[Vihtavuori N550]*
<<locked>>
83%
28500
70%
**13
90%
[Vihtavuori N555]*
<<locked>>
94%
26890
66%
**23
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
26020
64%
**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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