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Load data for 9 x 57 Mauser + .355 | 125gr | Sierra FMJ RN SportsMaster

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

9 x 57 Mauser + .355 | 125gr | Sierra FMJ RN SportsMaster

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.355 | 125gr | Sierra FMJ RN SportsMaster
Manufacturer SKU:
8120
Bullet Weight:
125gr | 8.1g
Bullet Diameter:
0.355" | 9.02mm
Bullet Length:
0.581" | 14.8mm
Caliber:
9 x 57 Mauser load data
Case Length (l3):
2.236" | 56.8mm
Cartridge Length (C.O.L.):
2.695" | 68.5mm
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_B5938_C1243
Last updated:
2025-01-01

Load data for 26 loads in caliber 9 x 57 Mauser with .355 | 125gr | Sierra FMJ RN SportsMaster bullet and 13 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>>
89%
35897
88%
**02
99%
[Accurate 2015]*
<<locked>>
96%
32648
80%
**07
93%
[Alliant AR-Comp]*
<<locked>>
97%
29878
74%
**64
93%
Alliant Reloder-10x
<<locked>>
96%
36303
89%
**22
95%
Alliant Reloder-7
<<locked>>
88%
36042
89%
**46
96%
[Baschieri & Pellagri 106]*
<<locked>>
91%
36201
89%
**84
92%
Hodgdon TrailBoss
<<locked>>
96%
27166
67%
**46
100%
IMR 4198
<<locked>>
92%
36129
89%
**53
96%
Norma 200
<<locked>>
93%
36506
90%
**22
96%
ReloadSwiss RS 14
<<locked>>
96%
26440
65%
**85
100%
SNPE Vectan BA6 1/2
<<locked>>
85%
35984
89%
**76
100%
Vihtavuori N120 👍
<<locked>>
92%
36260
89%
**69
99%
[Vihtavuori N130]*
<<locked>>
97%
35708
88%
**33
94%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2207
<<locked>>
81%
27195
67%
**62
96%
[Accurate 2015]*
<<locked>>
92%
28297
70%
**76
90%
[Alliant AR-Comp]*
<<locked>>
93%
26353
65%
**33
90%
[Alliant Reloder-10x]*
<<locked>>
87%
26542
65%
**36
90%
[Alliant Reloder-7]*
<<locked>>
81%
28703
71%
**46
92%
[Baschieri & Pellagri 106]*
<<locked>>
88%
32793
81%
**92
90%
Hodgdon TrailBoss
<<locked>>
81%
21277
52%
**91
100%
[IMR 4198]*
<<locked>>
81%
25556
63%
**25
90%
[Norma 200]*
<<locked>>
81%
24265
60%
**54
90%
ReloadSwiss RS 14
<<locked>>
81%
20740
51%
**27
100%
SNPE Vectan BA6 1/2
<<locked>>
81%
31995
79%
**94
100%
Vihtavuori N120
<<locked>>
81%
25527
63%
**71
96%
[Vihtavuori N130]*
<<locked>>
88%
26890
66%
**80
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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