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Load data for .300 Norma Mag + .308 | 115gr | Sierra Varmint

Recommended Powder(s): Alliant Reloder-16, Norma URP, ReloadSwiss RS 62, Somchem S365, Vihtavuori N550

.300 Norma Mag + .308 | 115gr | Sierra Varmint

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 115gr | Sierra Varmint
Manufacturer SKU:
2116
Bullet Weight:
115gr | 7.5g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.003" | 25.5mm
Caliber:
.300 Norma Mag load data
Case Length (l3):
2.490" | 63.2mm
Cartridge Length (C.O.L.):
3.625" | 92.1mm
Seated Depth:
-0.132" | -3.3mm
Shank Seated Depth:
-0.132" | -3.3mm
Case Capacity:
104.0 Grains of Water | 6.75 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B10948_C365
Last updated:
2025-08-15

Load data for 158 loads in caliber .300 Norma Mag with .308 | 115gr | Sierra Varmint bullet and 79 powders such as Alliant Reloder-16, Norma URP, ReloadSwiss RS 62, Somchem S365, Vihtavuori N550. 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
87%
90%
100%
ADI AR 2209
97%
87%
96%
ADI AR 2213
97%
79%
92%
Accurate 2700
87%
90%
97%
Accurate 3100
97%
77%
97%
Accurate 4064
85%
90%
100%
Accurate 4350
92%
89%
99%
Alliant Reloder- TS 15.5
86%
89%
100%
Alliant Reloder-15
84%
90%
100%
Alliant Reloder-16
94%
90%
100%
Alliant Reloder-17
89%
90%
100%
Alliant Reloder-19
97%
86%
96%
Alliant Reloder-22
97%
77%
94%
Alliant Reloder-23
97%
72%
99%
Alliant Reloder-25
97%
63%
95%
Alliant Reloder-26
97%
84%
99%
Hodgdon CFE223
84%
90%
100%
Hodgdon H380
86%
90%
99%
Hodgdon H414
88%
89%
98%
Hodgdon H4350
95%
89%
97%
Hodgdon H4831 SC
97%
83%
93%
Hodgdon Hybrid 100V
96%
90%
100%
Hodgdon LVR
91%
90%
99%
Hodgdon Superperformance
91%
90%
98%
Hodgdon VARGET
87%
90%
100%
Hodgdon TrailBoss
96%
54%
100%
IMR 3031
84%
90%
100%
IMR 4064
87%
89%
100%
IMR 4166 Enduron
88%
90%
98%
IMR 4350
93%
89%
97%
IMR 4451 Enduron
89%
90%
98%
IMR 4831
97%
88%
99%
IMR 4895
83%
90%
100%
IMR 4955 Enduron
97%
81%
93%
IMR 7828 SSC
97%
81%
93%
Lovex S062
85%
90%
100%
Lovex S065
91%
89%
99%
Lovex S070
92%
89%
98%
Lovex S071
97%
64%
95%
Norma 203B
85%
90%
100%
Norma 204
93%
90%
96%
Norma MRP
97%
82%
97%
Norma URP
93%
89%
100%
Ramshot Big Game
84%
89%
100%
Ramshot Hunter
93%
90%
99%
Ramshot Magnum
97%
76%
95%
ReloadSwiss RS 14
97%
55%
100%
ReloadSwiss RS 50
86%
90%
98%
ReloadSwiss RS 52
84%
90%
100%
ReloadSwiss RS 60
90%
89%
100%
ReloadSwiss RS 62
92%
90%
99%
ReloadSwiss RS 70
93%
90%
99%
Rottweil R 902
84%
90%
100%
Rottweil R 903
88%
90%
100%
Rottweil R 904
97%
90%
95%
Rottweil R 905
97%
85%
96%
Rottweil R 907
90%
89%
97%
SNPE Vectan SP 11
87%
90%
100%
SNPE Vectan Tubal 5000
87%
90%
100%
SNPE Vectan Tubal 7000
91%
90%
98%
Shooters World Long Rifle
91%
89%
99%
Shooters World Precision
85%
90%
100%
Somchem S355
88%
89%
100%
Somchem S361
95%
89%
94%
Somchem S365
95%
90%
100%
Somchem S385
97%
87%
97%
Vihtavuori N133
84%
89%
100%
Vihtavuori N135
89%
89%
100%
Vihtavuori N140
84%
90%
100%
Vihtavuori N150
93%
89%
100%
Vihtavuori N160
90%
89%
99%
Vihtavuori N165
97%
72%
94%
Vihtavuori N540
84%
90%
100%
Vihtavuori N550
90%
90%
99%
Vihtavuori N555
97%
81%
99%
Vihtavuori N560
97%
78%
92%
Winchester 6.5 StaBALL
91%
89%
100%
Winchester 760
88%
89%
98%
Winchester StaBALL HD
97%
64%
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
47456
74%
**27
99%
[ADI AR 2209]*
<<locked>>
87%
40147
63%
**02
90%
[ADI AR 2213]*
<<locked>>
94%
45223
71%
**30
90%
[Accurate 2700]*
<<locked>>
81%
46079
72%
**22
94%
[Accurate 3100]*
<<locked>>
85%
32155
50%
**46
90%
Accurate 4064
<<locked>>
81%
50357
79%
**83
100%
Accurate 4350
<<locked>>
81%
38392
60%
**63
95%
Alliant Reloder- TS 15.5
<<locked>>
81%
48022
75%
**60
100%
Alliant Reloder-15
<<locked>>
81%
51329
80%
**51
99%
Alliant Reloder-16
<<locked>>
81%
37347
59%
**79
95%
Alliant Reloder-17
<<locked>>
81%
42612
67%
**40
99%
[Alliant Reloder-19]*
<<locked>>
87%
39407
62%
**73
90%
[Alliant Reloder-22]*
<<locked>>
90%
39392
62%
**05
90%
[Alliant Reloder-23]*
<<locked>>
81%
27325
43%
**44
91%
[Alliant Reloder-25]*
<<locked>>
90%
32880
52%
**22
90%
[Alliant Reloder-26]*
<<locked>>
82%
30777
48%
**05
90%
Hodgdon CFE223
<<locked>>
81%
51082
80%
**51
99%
Hodgdon H380
<<locked>>
81%
48834
77%
**83
98%
[Hodgdon H414]*
<<locked>>
81%
44164
69%
**14
94%
[Hodgdon H4350]*
<<locked>>
81%
36158
57%
**48
90%
[Hodgdon H4831 SC]*
<<locked>>
93%
45861
72%
**04
90%
Hodgdon Hybrid 100V
<<locked>>
81%
34621
54%
**51
96%
Hodgdon LVR
<<locked>>
81%
41191
65%
**35
96%
[Hodgdon Superperformance]*
<<locked>>
81%
39798
62%
**22
92%
Hodgdon VARGET
<<locked>>
81%
47007
74%
**17
98%
Hodgdon TrailBoss
<<locked>>
81%
27543
43%
**96
100%
IMR 3031
<<locked>>
81%
52533
82%
**45
100%
IMR 4064
<<locked>>
81%
46514
73%
**07
99%
IMR 4166 Enduron
<<locked>>
81%
45614
71%
**55
95%
[IMR 4350]*
<<locked>>
81%
37913
59%
**97
91%
[IMR 4451 Enduron]*
<<locked>>
81%
44034
69%
**35
94%
[IMR 4831]*
<<locked>>
81%
33199
52%
**92
93%
IMR 4895
<<locked>>
81%
52576
82%
**78
100%
[IMR 4955 Enduron]*
<<locked>>
92%
44788
70%
**41
90%
[IMR 7828 SSC]*
<<locked>>
93%
44382
70%
**37
90%
Lovex S062
<<locked>>
81%
50038
78%
**76
100%
Lovex S065
<<locked>>
81%
41452
65%
**82
95%
[Lovex S070]*
<<locked>>
81%
39668
62%
**43
93%
[Lovex S071]*
<<locked>>
90%
32155
50%
**46
90%
Norma 203B
<<locked>>
81%
50691
79%
**35
99%
[Norma 204]*
<<locked>>
83%
40277
63%
**79
90%
[Norma MRP]*
<<locked>>
86%
36042
56%
**43
90%
Norma URP
<<locked>>
81%
38189
60%
**56
95%
Ramshot Big Game
<<locked>>
81%
51343
80%
**45
99%
[Ramshot Hunter]*
<<locked>>
81%
37231
58%
**27
93%
[Ramshot Magnum]*
<<locked>>
91%
38101
60%
**33
90%
ReloadSwiss RS 14
<<locked>>
81%
27905
44%
**42
100%
ReloadSwiss RS 50
<<locked>>
81%
49153
77%
**56
97%
ReloadSwiss RS 52
<<locked>>
81%
50720
79%
**45
100%
ReloadSwiss RS 60
<<locked>>
81%
41336
65%
**27
99%
ReloadSwiss RS 62
<<locked>>
81%
38261
60%
**79
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
37434
59%
**82
94%
Rottweil R 902
<<locked>>
81%
52112
82%
**02
100%
Rottweil R 903
<<locked>>
81%
45585
71%
**14
99%
[Rottweil R 904]*
<<locked>>
88%
42525
67%
**12
90%
[Rottweil R 905]*
<<locked>>
87%
39088
61%
**69
90%
[Rottweil R 907]*
<<locked>>
81%
42554
67%
**02
93%
SNPE Vectan SP 11
<<locked>>
81%
46789
73%
**63
99%
SNPE Vectan Tubal 5000
<<locked>>
81%
46717
73%
**22
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
40712
64%
**14
93%
Shooters World Long Rifle
<<locked>>
81%
41452
65%
**82
95%
Shooters World Precision
<<locked>>
81%
50038
78%
**76
100%
Somchem S355
<<locked>>
81%
45847
72%
**07
99%
[Somchem S361]*
<<locked>>
88%
44904
70%
**19
90%
Somchem S365
<<locked>>
81%
34360
54%
**91
97%
[Somchem S385]*
<<locked>>
84%
36100
57%
**64
90%
Vihtavuori N133
<<locked>>
81%
52286
82%
**23
100%
Vihtavuori N135
<<locked>>
81%
44353
69%
**22
100%
Vihtavuori N140
<<locked>>
81%
51779
81%
**69
100%
Vihtavuori N150
<<locked>>
81%
39146
61%
**20
99%
Vihtavuori N160
<<locked>>
81%
41408
65%
**99
96%
[Vihtavuori N165]*
<<locked>>
91%
37521
59%
**77
90%
Vihtavuori N540
<<locked>>
81%
51706
81%
**89
100%
Vihtavuori N550
<<locked>>
81%
41814
66%
**58
96%
[Vihtavuori N555]*
<<locked>>
81%
30037
47%
**43
92%
[Vihtavuori N560]*
<<locked>>
94%
45687
72%
**83
90%
Winchester 6.5 StaBALL
<<locked>>
81%
39001
61%
**23
98%
[Winchester 760]*
<<locked>>
81%
44164
69%
**14
94%
[Winchester StaBALL HD]*
<<locked>>
84%
26687
42%
**71
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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