top of page

Load data for .300 Blaser Mag + .310 | 123gr | Hornady SST

Recommended Powder(s): Alliant Reloder-17, ReloadSwiss RS 60, Rottweil R 903, SNPE Vectan SP 11, Somchem S355

.300 Blaser Mag + .310 | 123gr | Hornady SST

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.310 | 123gr | Hornady SST
Manufacturer SKU:
3142
Bullet Weight:
123gr | 8.0g
Bullet Diameter:
0.310" | 7.87mm
Bullet Length:
0.990" | 25.1mm
Caliber:
.300 Blaser Mag load data
Case Length (l3):
2.519" | 64.0mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.219" | 5.6mm
Shank Seated Depth:
0.219" | 5.6mm
Case Capacity:
92.4 Grains of Water | 6.00 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
60916 psi | 4200 bar
LID:
LID_B10913_C351
Last updated:
2025-02-02

Load data for 158 loads in caliber .300 Blaser Mag with .310 | 123gr | Hornady SST bullet and 79 powders such as Alliant Reloder-17, ReloadSwiss RS 60, Rottweil R 903, SNPE Vectan SP 11, Somchem S355. 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".

  • No data yet

  • 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.

    .

    Loading_icon.gif

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 2206H
<<locked>>
84%
54404
89%
**60
99%
ADI AR 2208
<<locked>>
90%
54157
89%
**23
99%
[ADI AR 2209]*
<<locked>>
97%
47108
77%
**32
92%
Accurate 2700
<<locked>>
90%
54592
90%
**55
96%
[Accurate 3100]*
<<locked>>
97%
40176
66%
**51
93%
Accurate 4064
<<locked>>
88%
54636
90%
**27
100%
Accurate 4350
<<locked>>
96%
54447
89%
**02
99%
Alliant Reloder- TS 15.5
<<locked>>
89%
54288
89%
**56
100%
Alliant Reloder-15
<<locked>>
87%
54056
89%
**63
99%
Alliant Reloder-16
<<locked>>
97%
52721
87%
**06
99%
Alliant Reloder-17 👍
<<locked>>
93%
54636
90%
**68
100%
[Alliant Reloder-19]*
<<locked>>
97%
46514
76%
**25
92%
Alliant Reloder-23
<<locked>>
97%
38537
63%
**94
97%
Alliant Reloder-26
<<locked>>
97%
42946
71%
**58
96%
Baschieri & Pellagri 107
<<locked>>
84%
54578
90%
**60
99%
Hodgdon CFE223
<<locked>>
88%
54389
89%
**92
99%
Hodgdon H380
<<locked>>
89%
54708
90%
**63
98%
Hodgdon H414
<<locked>>
92%
54824
90%
**02
97%
Hodgdon H4350
<<locked>>
97%
51648
85%
**78
95%
Hodgdon Hybrid 100V
<<locked>>
97%
49400
81%
**71
99%
Hodgdon LVR
<<locked>>
94%
54476
89%
**86
98%
Hodgdon Superperformance
<<locked>>
94%
54491
89%
**12
96%
Hodgdon VARGET
<<locked>>
90%
54462
89%
**37
99%
Hodgdon TrailBoss
<<locked>>
97%
34142
56%
**19
100%
IMR 3031
<<locked>>
87%
54737
90%
**50
100%
IMR 4064
<<locked>>
91%
54665
90%
**33
99%
IMR 4166 Enduron
<<locked>>
91%
54708
90%
**97
96%
IMR 4350
<<locked>>
97%
54331
89%
**27
96%
IMR 4451 Enduron
<<locked>>
92%
54665
90%
**30
96%
IMR 4831
<<locked>>
97%
46847
77%
**25
97%
IMR 4895
<<locked>>
87%
54694
90%
**89
100%
Lovex D073.6
<<locked>>
84%
54302
89%
**33
100%
Lovex S060
<<locked>>
85%
54578
90%
**97
100%
Lovex S062
<<locked>>
88%
54201
89%
**27
100%
Lovex S065
<<locked>>
94%
54404
89%
**17
98%
Lovex S070
<<locked>>
96%
54085
89%
**33
97%
Norma 201
<<locked>>
85%
54737
90%
**30
100%
Norma 202
<<locked>>
85%
54636
90%
**17
100%
Norma 203B
<<locked>>
88%
54665
90%
**76
100%
[Norma 204]*
<<locked>>
96%
54418
89%
**66
94%
[Norma MRP]*
<<locked>>
97%
42844
70%
**25
93%
Norma URP
<<locked>>
97%
54346
89%
**92
99%
Ramshot Big Game
<<locked>>
87%
54694
90%
**76
99%
Ramshot Hunter
<<locked>>
97%
53635
88%
**92
97%
Ramshot Wild Boar
<<locked>>
83%
54694
90%
**63
100%
ReloadSwiss RS 14
<<locked>>
97%
34534
57%
**65
100%
ReloadSwiss RS 50
<<locked>>
89%
54694
90%
**30
97%
ReloadSwiss RS 52
<<locked>>
88%
54070
89%
**79
100%
ReloadSwiss RS 60 👍
<<locked>>
94%
54114
89%
**81
100%
ReloadSwiss RS 62
<<locked>>
96%
54331
89%
**12
99%
ReloadSwiss RS 70
<<locked>>
97%
54723
90%
**58
98%
Rottweil R 902
<<locked>>
87%
54810
90%
**10
100%
Rottweil R 903 👍
<<locked>>
91%
54636
90%
**60
100%
Rottweil R 907
<<locked>>
93%
54099
89%
**10
96%
SNPE Vectan SP 11 👍
<<locked>>
90%
54491
89%
**86
99%
SNPE Vectan SP 7
<<locked>>
84%
54810
90%
**23
98%
SNPE Vectan SP 9
<<locked>>
85%
54752
90%
**50
100%
SNPE Vectan Tubal 3000
<<locked>>
84%
54128
89%
**38
100%
SNPE Vectan Tubal 5000
<<locked>>
90%
54128
89%
**15
100%
SNPE Vectan Tubal 7000
<<locked>>
94%
54549
90%
**58
96%
Shooters World Long Rifle
<<locked>>
94%
54404
89%
**17
98%
Shooters World Match Rifle
<<locked>>
84%
54302
89%
**33
100%
Shooters World Precision
<<locked>>
88%
54201
89%
**27
100%
Somchem S335
<<locked>>
85%
54259
89%
**38
100%
Somchem S341
<<locked>>
84%
54215
89%
**23
99%
Somchem S355 👍
<<locked>>
91%
54650
90%
**46
100%
Somchem S365
<<locked>>
97%
49255
81%
**50
100%
[Somchem S385]*
<<locked>>
97%
45934
75%
**89
93%
Vihtavuori N133
<<locked>>
86%
54230
89%
**19
100%
Vihtavuori N135
<<locked>>
92%
54099
89%
**68
100%
Vihtavuori N140
<<locked>>
87%
54476
89%
**78
100%
Vihtavuori N150
<<locked>>
96%
54592
90%
**10
100%
Vihtavuori N160
<<locked>>
94%
54650
90%
**56
99%
Vihtavuori N540
<<locked>>
87%
54621
90%
**17
100%
Vihtavuori N550
<<locked>>
94%
54070
89%
**96
99%
Vihtavuori N555
<<locked>>
97%
42221
69%
**86
97%
Winchester 6.5 StaBALL
<<locked>>
95%
54317
89%
**23
100%
Winchester 760
<<locked>>
92%
54824
90%
**02
97%
Winchester StaBALL HD
<<locked>>
97%
34200
56%
**54
96%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
48791
80%
**51
99%
ADI AR 2208
<<locked>>
81%
41263
68%
**51
96%
[ADI AR 2209]*
<<locked>>
94%
43076
71%
**40
90%
[Accurate 2700]*
<<locked>>
81%
39668
65%
**40
91%
[Accurate 3100]*
<<locked>>
92%
33272
55%
**81
90%
Accurate 4064
<<locked>>
81%
43076
71%
**07
100%
[Accurate 4350]*
<<locked>>
81%
31662
52%
**61
92%
Alliant Reloder- TS 15.5
<<locked>>
81%
41220
68%
**81
98%
Alliant Reloder-15
<<locked>>
81%
44222
73%
**56
97%
[Alliant Reloder-16]*
<<locked>>
81%
32010
53%
**77
91%
Alliant Reloder-17
<<locked>>
81%
35897
59%
**35
96%
[Alliant Reloder-19]*
<<locked>>
94%
42250
69%
**27
90%
[Alliant Reloder-23]*
<<locked>>
87%
27456
45%
**40
90%
[Alliant Reloder-26]*
<<locked>>
89%
32416
53%
**46
90%
Baschieri & Pellagri 107
<<locked>>
81%
48211
79%
**45
98%
Hodgdon CFE223
<<locked>>
81%
42946
70%
**66
97%
Hodgdon H380
<<locked>>
81%
41901
69%
**94
95%
[Hodgdon H414]*
<<locked>>
81%
36999
61%
**12
91%
[Hodgdon H4350]*
<<locked>>
87%
38014
62%
**72
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
29341
48%
**76
93%
[Hodgdon LVR]*
<<locked>>
81%
34925
57%
**43
92%
[Hodgdon Superperformance]*
<<locked>>
85%
38464
63%
**54
90%
Hodgdon VARGET
<<locked>>
81%
41133
68%
**54
96%
Hodgdon TrailBoss
<<locked>>
81%
26992
44%
**42
100%
IMR 3031
<<locked>>
81%
44918
74%
**79
100%
IMR 4064
<<locked>>
81%
40553
67%
**35
97%
[IMR 4166 Enduron]*
<<locked>>
81%
40335
66%
**92
92%
[IMR 4350]*
<<locked>>
86%
38029
62%
**76
90%
[IMR 4451 Enduron]*
<<locked>>
81%
38363
63%
**59
91%
[IMR 4831]*
<<locked>>
82%
28964
48%
**62
90%
IMR 4895
<<locked>>
81%
45411
75%
**02
98%
Lovex D073.6
<<locked>>
81%
48443
80%
**19
100%
Lovex S060
<<locked>>
81%
48240
79%
**69
99%
Lovex S062
<<locked>>
81%
43308
71%
**04
99%
[Lovex S065]*
<<locked>>
81%
35795
59%
**07
92%
[Lovex S070]*
<<locked>>
82%
35563
58%
**13
90%
Norma 201
<<locked>>
81%
47834
79%
**96
99%
Norma 202
<<locked>>
81%
48066
79%
**96
100%
Norma 203B
<<locked>>
81%
43743
72%
**46
98%
[Norma 204]*
<<locked>>
89%
42757
70%
**20
90%
[Norma MRP]*
<<locked>>
94%
38261
63%
**84
90%
[Norma URP]*
<<locked>>
81%
31966
52%
**64
91%
Ramshot Big Game
<<locked>>
81%
43569
72%
**63
98%
[Ramshot Hunter]*
<<locked>>
84%
34229
56%
**30
90%
Ramshot Wild Boar
<<locked>>
81%
50821
83%
**87
99%
ReloadSwiss RS 14
<<locked>>
81%
27398
45%
**88
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
42380
70%
**71
94%
ReloadSwiss RS 52
<<locked>>
81%
42873
70%
**63
99%
ReloadSwiss RS 60
<<locked>>
81%
34867
57%
**12
96%
[ReloadSwiss RS 62]*
<<locked>>
81%
31589
52%
**74
91%
[ReloadSwiss RS 70]*
<<locked>>
82%
33228
55%
**27
90%
Rottweil R 902
<<locked>>
81%
45542
75%
**40
99%
Rottweil R 903
<<locked>>
81%
38682
64%
**18
97%
[Rottweil R 907]*
<<locked>>
82%
37782
62%
**49
90%
SNPE Vectan SP 11
<<locked>>
81%
39726
65%
**81
97%
SNPE Vectan SP 7
<<locked>>
81%
49734
82%
**25
97%
SNPE Vectan SP 9
<<locked>>
81%
47355
78%
**09
99%
SNPE Vectan Tubal 3000
<<locked>>
81%
49008
80%
**50
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
40973
67%
**72
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
35389
58%
**48
90%
[Shooters World Long Rifle]*
<<locked>>
81%
35795
59%
**07
92%
Shooters World Match Rifle
<<locked>>
81%
48443
80%
**19
100%
Shooters World Precision
<<locked>>
81%
43308
71%
**04
99%
Somchem S335
<<locked>>
81%
48733
80%
**43
100%
Somchem S341
<<locked>>
81%
49182
81%
**25
99%
Somchem S355
<<locked>>
81%
39407
65%
**35
97%
[Somchem S365]*
<<locked>>
81%
28747
47%
**08
94%
[Somchem S385]*
<<locked>>
92%
38290
63%
**05
90%
Vihtavuori N133
<<locked>>
81%
46064
76%
**87
100%
Vihtavuori N135
<<locked>>
81%
38174
63%
**69
100%
Vihtavuori N140
<<locked>>
81%
45165
74%
**17
100%
Vihtavuori N150
<<locked>>
81%
33634
55%
**54
97%
[Vihtavuori N160]*
<<locked>>
81%
34954
57%
**20
93%
Vihtavuori N540
<<locked>>
81%
44889
74%
**27
100%
[Vihtavuori N550]*
<<locked>>
81%
35317
58%
**63
93%
[Vihtavuori N555]*
<<locked>>
85%
28514
47%
**02
90%
Winchester 6.5 StaBALL
<<locked>>
81%
33344
55%
**54
95%
[Winchester 760]*
<<locked>>
81%
36999
61%
**12
91%
[Winchester StaBALL HD]*
<<locked>>
91%
28253
46%
**12
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

bottom of page