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Load data for .350 Mag. Rigby + .355 | 85gr | AERO SO,- smax:7.85

Recommended Powder(s):

.350 Mag. Rigby + .355 | 85gr | AERO SO,- smax:7.85

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.355 | 85gr | AERO SO,- smax:7.85
Bullet Weight:
85gr | 5.5g
Bullet Diameter:
0.355" | 9.02mm
Bullet Length:
<<locked>>
Caliber:
.350 Mag. Rigby load data
Case Length (l3):
2.750" | 69.8mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
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_B98_C501
Last updated:
2026-02-01

Load data for 26 loads in caliber .350 Mag. Rigby with .355 | 85gr | AERO SO,- smax:7.85 bullet and 13 powder(s). 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 2207 👍
<<locked>>
89%
40451
90%
**80
99%
[Accurate 2015]*
<<locked>>
97%
39465
88%
**04
94%
[Alliant AR-Comp]*
<<locked>>
97%
34708
77%
**29
94%
Alliant Reloder-10x
<<locked>>
94%
40030
89%
**76
95%
Alliant Reloder-7
<<locked>>
87%
40219
89%
**04
96%
[Baschieri & Pellagri 106]*
<<locked>>
90%
40016
89%
**99
92%
Hodgdon TrailBoss
<<locked>>
96%
27963
62%
**66
100%
IMR 4198
<<locked>>
92%
39972
89%
**30
96%
Norma 200
<<locked>>
90%
39943
89%
**53
96%
ReloadSwiss RS 14
<<locked>>
96%
27528
61%
**21
100%
SNPE Vectan BA6 1/2
<<locked>>
86%
40306
90%
**53
100%
Vihtavuori N120 👍
<<locked>>
91%
40422
90%
**40
99%
Vihtavuori N130
<<locked>>
96%
40190
89%
**81
95%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2207
<<locked>>
81%
31154
69%
**10
96%
[Accurate 2015]*
<<locked>>
91%
31662
70%
**81
90%
[Alliant AR-Comp]*
<<locked>>
91%
29051
65%
**32
90%
[Alliant Reloder-10x]*
<<locked>>
86%
30182
67%
**55
90%
[Alliant Reloder-7]*
<<locked>>
81%
32793
73%
**81
92%
[Baschieri & Pellagri 106]*
<<locked>>
86%
35418
79%
**78
90%
Hodgdon TrailBoss
<<locked>>
81%
21930
49%
**69
100%
[IMR 4198]*
<<locked>>
81%
28369
63%
**40
90%
[Norma 200]*
<<locked>>
81%
29066
65%
**09
91%
ReloadSwiss RS 14
<<locked>>
81%
21350
47%
**11
100%
SNPE Vectan BA6 1/2
<<locked>>
81%
35288
78%
**38
100%
Vihtavuori N120
<<locked>>
81%
29037
65%
**02
96%
[Vihtavuori N130]*
<<locked>>
87%
30385
68%
**83
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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