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Load data for 9 x 57 Mauser + .355 | 124gr | Geco HEXAGON

Recommended Powder(s): ADI AR 2207, Vihtavuori N120

9 x 57 Mauser + .355 | 124gr | Geco HEXAGON

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.355 | 124gr | Geco HEXAGON
Manufacturer SKU:
2319010
Bullet Weight:
124gr | 8.0g
Bullet Diameter:
0.355" | 9.02mm
Bullet Length:
0.611" | 15.5mm
Caliber:
9 x 57 Mauser load data
Case Length (l3):
2.236" | 56.8mm
Cartridge Length (C.O.L.):
2.725" | 69.2mm
Seated Depth:
0.122" | 3.1mm
Shank Seated Depth:
0.122" | 3.1mm
Case Capacity:
64.2 Grains of Water | 4.17 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
40611 psi | 2800 bar
LID:
LID_B9010_C1243
Last updated:
2025-01-01

Load data for 28 loads in caliber 9 x 57 Mauser with .355 | 124gr | Geco HEXAGON bullet and 14 powders such as ADI AR 2207, Vihtavuori N120. 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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    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.

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>>
90%
36318
89%
**28
99%
[Accurate 2015]*
<<locked>>
96%
32387
80%
**10
92%
[Alliant AR-Comp]*
<<locked>>
97%
29675
73%
**64
93%
Alliant Reloder-10x
<<locked>>
96%
36056
89%
**28
95%
Alliant Reloder-7
<<locked>>
88%
35810
88%
**53
95%
Hodgdon TrailBoss
<<locked>>
96%
27108
67%
**52
100%
IMR 4198
<<locked>>
93%
35926
88%
**56
96%
Lovex S053
<<locked>>
83%
36390
90%
**23
100%
Norma 200
<<locked>>
93%
36230
89%
**25
96%
ReloadSwiss RS 14
<<locked>>
96%
26382
65%
**88
100%
ReloadSwiss RS 36
<<locked>>
83%
36492
90%
**66
97%
SNPE Vectan BA6 1/2
<<locked>>
86%
36463
90%
**02
100%
Vihtavuori N120 👍
<<locked>>
92%
36027
89%
**72
99%
[Vihtavuori N130]*
<<locked>>
97%
35476
87%
**40
94%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2207
<<locked>>
81%
27006
66%
**66
96%
[Accurate 2015]*
<<locked>>
93%
28776
71%
**05
90%
[Alliant AR-Comp]*
<<locked>>
93%
26556
65%
**53
90%
[Alliant Reloder-10x]*
<<locked>>
87%
27021
67%
**66
91%
[Alliant Reloder-7]*
<<locked>>
81%
28514
70%
**40
92%
Hodgdon TrailBoss
<<locked>>
81%
21234
52%
**95
100%
[IMR 4198]*
<<locked>>
82%
25802
64%
**41
90%
Lovex S053
<<locked>>
81%
33649
83%
**61
99%
[Norma 200]*
<<locked>>
81%
24526
60%
**71
90%
ReloadSwiss RS 14
<<locked>>
81%
20697
51%
**34
100%
ReloadSwiss RS 36
<<locked>>
81%
33852
83%
**94
97%
SNPE Vectan BA6 1/2
<<locked>>
81%
31807
78%
**00
100%
Vihtavuori N120
<<locked>>
81%
25353
62%
**67
96%
[Vihtavuori N130]*
<<locked>>
89%
27340
67%
**00
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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