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

Recommended Powder(s): Alliant Reloder-15, IMR 4895, Norma 203B, Ramshot Big Game, ReloadSwiss RS 52

.300 Win. 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 Win. Mag. load data
Case Length (l3):
2.620" | 66.5mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.333" | 8.5mm
Shank Seated Depth:
0.333" | 8.5mm
Case Capacity:
90.5 Grains of Water | 5.88 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B10948_C380
Last updated:
2025-08-15

Load data for 174 loads in caliber .300 Win. Mag. with .308 | 115gr | Sierra Varmint bullet and 87 powders such as Alliant Reloder-15, IMR 4895, Norma 203B, Ramshot Big Game, ReloadSwiss RS 52. 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 2206H
<<locked>>
88%
55854
90%
**42
99%
ADI AR 2208
<<locked>>
93%
55593
89%
**22
99%
Accurate 2015
<<locked>>
84%
55579
89%
**46
100%
Accurate 2200
<<locked>>
86%
55854
90%
**09
98%
Accurate 2495
<<locked>>
87%
55782
89%
**12
100%
Accurate 2520
<<locked>>
86%
55709
89%
**28
100%
Accurate 2700
<<locked>>
94%
55651
89%
**33
95%
Accurate 4064
<<locked>>
92%
55753
89%
**28
100%
Accurate 4350
<<locked>>
97%
49980
80%
**79
97%
Alliant AR-Comp
<<locked>>
86%
55288
89%
**96
100%
Alliant Reloder- TS 15.5
<<locked>>
93%
55709
89%
**45
100%
Alliant Reloder-15 👍
<<locked>>
91%
56101
90%
**74
99%
Alliant Reloder-16
<<locked>>
97%
48414
78%
**79
97%
Alliant Reloder-17
<<locked>>
97%
55999
90%
**56
100%
[Alliant Reloder-23]*
<<locked>>
97%
34606
55%
**41
94%
Baschieri & Pellagri 107
<<locked>>
88%
55854
90%
**58
98%
Hodgdon BL-C2
<<locked>>
86%
56130
90%
**65
100%
Hodgdon Benchmark
<<locked>>
85%
55883
90%
**79
100%
Hodgdon CFE223
<<locked>>
91%
56028
90%
**88
98%
Hodgdon H322
<<locked>>
84%
55434
89%
**09
100%
Hodgdon H380
<<locked>>
92%
55956
90%
**45
98%
Hodgdon H414
<<locked>>
95%
55506
89%
**88
96%
[Hodgdon H4350]*
<<locked>>
97%
46920
75%
**41
92%
Hodgdon Hybrid 100V
<<locked>>
97%
44889
72%
**45
98%
Hodgdon LVR
<<locked>>
97%
53983
87%
**55
97%
Hodgdon Superperformance
<<locked>>
97%
54099
87%
**68
95%
Hodgdon VARGET
<<locked>>
93%
55593
89%
**22
99%
Hodgdon TrailBoss
<<locked>>
96%
33359
53%
**42
100%
IMR 3031
<<locked>>
91%
55927
90%
**61
100%
IMR 4064
<<locked>>
94%
55912
90%
**15
99%
IMR 4166 Enduron
<<locked>>
94%
55753
89%
**73
95%
[IMR 4350]*
<<locked>>
97%
49821
80%
**97
93%
IMR 4451 Enduron
<<locked>>
96%
55970
90%
**12
96%
IMR 4831
<<locked>>
97%
41959
67%
**92
95%
IMR 4895 👍
<<locked>>
90%
56028
90%
**74
99%
IMR 8208 XBR
<<locked>>
86%
55535
89%
**09
100%
Lovex D073.6
<<locked>>
88%
55709
89%
**28
100%
Lovex S060
<<locked>>
88%
55912
90%
**73
99%
Lovex S062
<<locked>>
92%
56043
90%
**19
100%
Lovex S065
<<locked>>
97%
54085
87%
**69
97%
Lovex S070
<<locked>>
97%
51271
82%
**33
95%
Norma 201
<<locked>>
88%
55550
89%
**12
100%
Norma 202
<<locked>>
88%
55927
90%
**19
100%
Norma 203B 👍
<<locked>>
91%
56115
90%
**65
99%
Norma URP
<<locked>>
97%
48849
78%
**60
97%
Ramshot Big Game 👍
<<locked>>
91%
55506
89%
**68
99%
Ramshot Hunter
<<locked>>
97%
48341
78%
**37
95%
Ramshot TAC
<<locked>>
86%
56043
90%
**06
97%
Ramshot Wild Boar
<<locked>>
86%
55811
89%
**45
99%
Ramshot X-Terminator
<<locked>>
84%
55608
89%
**96
99%
ReloadSwiss RS 14
<<locked>>
96%
33707
54%
**95
100%
ReloadSwiss RS 50
<<locked>>
92%
55434
89%
**06
96%
ReloadSwiss RS 52 👍
<<locked>>
91%
55651
89%
**88
100%
ReloadSwiss RS 60
<<locked>>
97%
54302
87%
**43
100%
ReloadSwiss RS 62
<<locked>>
97%
49690
80%
**99
97%
ReloadSwiss RS 70
<<locked>>
97%
49458
79%
**06
96%
Rottweil R 901
<<locked>>
86%
55506
89%
**83
100%
Rottweil R 902
<<locked>>
90%
55622
89%
**02
100%
Rottweil R 903
<<locked>>
95%
56043
90%
**48
100%
Rottweil R 907
<<locked>>
96%
55361
89%
**89
95%
SNPE Vectan SP 11
<<locked>>
94%
55666
89%
**78
99%
SNPE Vectan SP 7
<<locked>>
87%
55709
89%
**15
98%
SNPE Vectan SP 9
<<locked>>
88%
55361
89%
**22
99%
SNPE Vectan Tubal 3000
<<locked>>
88%
55695
89%
**37
100%
SNPE Vectan Tubal 5000
<<locked>>
94%
55927
90%
**20
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
54375
87%
**20
95%
Shooters World Long Rifle
<<locked>>
97%
54085
87%
**69
97%
Shooters World Match Rifle
<<locked>>
88%
55709
89%
**28
100%
Shooters World Precision
<<locked>>
92%
56043
90%
**19
100%
Somchem S321
<<locked>>
84%
55970
90%
**25
100%
Somchem S335
<<locked>>
88%
55709
89%
**27
100%
Somchem S341
<<locked>>
87%
55405
89%
**09
99%
Somchem S355
<<locked>>
95%
56014
90%
**38
99%
Somchem S365
<<locked>>
97%
44034
71%
**04
99%
Vihtavuori N130
<<locked>>
84%
55608
89%
**04
100%
Vihtavuori N133
<<locked>>
90%
55898
90%
**20
100%
Vihtavuori N135
<<locked>>
96%
55724
89%
**76
100%
Vihtavuori N140
<<locked>>
90%
55985
90%
**79
100%
Vihtavuori N150
<<locked>>
97%
50212
81%
**97
100%
Vihtavuori N160
<<locked>>
97%
54708
88%
**15
98%
Vihtavuori N530
<<locked>>
85%
55869
90%
**35
100%
Vihtavuori N540
<<locked>>
90%
55840
90%
**12
100%
Vihtavuori N550
<<locked>>
97%
54723
88%
**71
98%
[Vihtavuori N555]*
<<locked>>
97%
37101
59%
**20
94%
Winchester 6.5 StaBALL
<<locked>>
97%
52707
85%
**53
99%
Winchester 748
<<locked>>
84%
55622
89%
**51
100%
Winchester 760
<<locked>>
95%
55506
89%
**88
96%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
44947
72%
**22
97%
[ADI AR 2208]*
<<locked>>
81%
38087
61%
**35
94%
Accurate 2015
<<locked>>
81%
50705
81%
**61
100%
Accurate 2200
<<locked>>
81%
47021
75%
**32
96%
Accurate 2495
<<locked>>
81%
46224
74%
**51
100%
Accurate 2520
<<locked>>
81%
46833
75%
**71
100%
[Accurate 2700]*
<<locked>>
85%
42177
68%
**48
90%
Accurate 4064
<<locked>>
81%
38914
62%
**87
99%
[Accurate 4350]*
<<locked>>
84%
31575
51%
**23
90%
Alliant AR-Comp
<<locked>>
81%
46833
75%
**45
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
37550
60%
**64
96%
Alliant Reloder-15
<<locked>>
81%
40495
65%
**30
95%
[Alliant Reloder-16]*
<<locked>>
85%
32880
53%
**63
90%
[Alliant Reloder-17]*
<<locked>>
81%
32663
52%
**79
93%
[Alliant Reloder-23]*
<<locked>>
92%
29646
48%
**67
90%
Baschieri & Pellagri 107
<<locked>>
81%
44338
71%
**12
96%
Hodgdon BL-C2
<<locked>>
81%
46934
75%
**84
99%
Hodgdon Benchmark
<<locked>>
81%
48704
78%
**38
99%
[Hodgdon CFE223]*
<<locked>>
81%
38899
62%
**20
94%
Hodgdon H322
<<locked>>
81%
49937
80%
**17
100%
[Hodgdon H380]*
<<locked>>
81%
38014
61%
**48
93%
[Hodgdon H414]*
<<locked>>
85%
39392
63%
**30
90%
[Hodgdon H4350]*
<<locked>>
93%
41814
67%
**23
90%
[Hodgdon Hybrid 100V]*
<<locked>>
83%
27949
45%
**79
90%
[Hodgdon LVR]*
<<locked>>
83%
33924
54%
**76
90%
[Hodgdon Superperformance]*
<<locked>>
90%
42032
67%
**92
90%
[Hodgdon VARGET]*
<<locked>>
81%
37695
60%
**22
94%
Hodgdon TrailBoss
<<locked>>
81%
26440
42%
**69
100%
IMR 3031
<<locked>>
81%
40741
65%
**66
100%
[IMR 4064]*
<<locked>>
81%
37202
60%
**09
94%
[IMR 4166 Enduron]*
<<locked>>
83%
39537
63%
**22
90%
[IMR 4350]*
<<locked>>
91%
41713
67%
**17
90%
[IMR 4451 Enduron]*
<<locked>>
85%
40147
64%
**61
90%
[IMR 4831]*
<<locked>>
88%
31546
51%
**97
90%
IMR 4895
<<locked>>
81%
41553
67%
**79
96%
IMR 8208 XBR
<<locked>>
81%
47065
75%
**48
99%
Lovex D073.6
<<locked>>
81%
43918
70%
**05
99%
Lovex S060
<<locked>>
81%
45063
72%
**56
97%
Lovex S062
<<locked>>
81%
39958
64%
**97
97%
[Lovex S065]*
<<locked>>
83%
35317
57%
**49
90%
[Lovex S070]*
<<locked>>
88%
38537
62%
**48
90%
Norma 201
<<locked>>
81%
43932
70%
**76
98%
Norma 202
<<locked>>
81%
44048
71%
**86
100%
Norma 203B
<<locked>>
81%
40016
64%
**20
96%
[Norma URP]*
<<locked>>
84%
32285
52%
**43
90%
Ramshot Big Game
<<locked>>
81%
39537
63%
**20
95%
[Ramshot Hunter]*
<<locked>>
89%
36898
59%
**64
90%
Ramshot TAC
<<locked>>
81%
47181
76%
**35
95%
Ramshot Wild Boar
<<locked>>
81%
46673
75%
**71
98%
Ramshot X-Terminator
<<locked>>
81%
50879
82%
**04
98%
ReloadSwiss RS 14
<<locked>>
81%
26832
43%
**14
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
38812
62%
**31
91%
ReloadSwiss RS 52
<<locked>>
81%
38580
62%
**23
97%
[ReloadSwiss RS 60]*
<<locked>>
81%
31807
51%
**63
93%
[ReloadSwiss RS 62]*
<<locked>>
86%
33272
53%
**89
90%
[ReloadSwiss RS 70]*
<<locked>>
88%
36187
58%
**54
90%
Rottweil R 901
<<locked>>
81%
47630
76%
**38
100%
Rottweil R 902
<<locked>>
81%
41698
67%
**14
98%
Rottweil R 903
<<locked>>
81%
34969
56%
**92
95%
[Rottweil R 907]*
<<locked>>
87%
41162
66%
**91
90%
[SNPE Vectan SP 11]*
<<locked>>
81%
35969
58%
**35
94%
SNPE Vectan SP 7
<<locked>>
81%
45324
73%
**99
95%
SNPE Vectan SP 9
<<locked>>
81%
43381
70%
**86
97%
SNPE Vectan Tubal 3000
<<locked>>
81%
45208
72%
**40
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
37347
60%
**63
99%
[SNPE Vectan Tubal 7000]*
<<locked>>
87%
38682
62%
**86
90%
[Shooters World Long Rifle]*
<<locked>>
83%
35317
57%
**49
90%
Shooters World Match Rifle
<<locked>>
81%
43918
70%
**05
99%
Shooters World Precision
<<locked>>
81%
39958
64%
**97
97%
Somchem S321
<<locked>>
81%
51430
82%
**50
99%
Somchem S335
<<locked>>
81%
44991
72%
**40
100%
Somchem S341
<<locked>>
81%
45252
73%
**09
97%
Somchem S355
<<locked>>
81%
35824
57%
**95
95%
[Somchem S365]*
<<locked>>
81%
26136
42%
**56
90%
Vihtavuori N130
<<locked>>
81%
50140
80%
**15
100%
Vihtavuori N133
<<locked>>
81%
42395
68%
**87
100%
Vihtavuori N135
<<locked>>
81%
34461
55%
**53
99%
Vihtavuori N140
<<locked>>
81%
41350
66%
**04
100%
[Vihtavuori N150]*
<<locked>>
81%
30516
49%
**22
94%
[Vihtavuori N160]*
<<locked>>
82%
32343
52%
**00
90%
Vihtavuori N530
<<locked>>
81%
49690
80%
**20
99%
Vihtavuori N540
<<locked>>
81%
41031
66%
**20
99%
[Vihtavuori N550]*
<<locked>>
82%
32692
52%
**46
90%
[Vihtavuori N555]*
<<locked>>
91%
30676
49%
**33
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
30647
49%
**15
92%
Winchester 748
<<locked>>
81%
50705
81%
**73
100%
[Winchester 760]*
<<locked>>
85%
39392
63%
**30
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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