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Load data for .300 Weath. Mag. + .308 | 150gr | Norma ECO Strike

Recommended Powder(s): Accurate 4350, Alliant Reloder-16, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70

.300 Weath. Mag. + .308 | 150gr | Norma ECO Strike

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 150gr | Norma ECO Strike
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.286" | 32.7mm
Caliber:
.300 Weath. Mag. load data
Case Length (l3):
2.824" | 71.7mm
Cartridge Length (C.O.L.):
3.507" | 89.1mm
Seated Depth:
0.603" | 15.3mm
Shank Seated Depth:
0.407" | 10.3mm
Case Capacity:
98.9 Grains of Water | 6.42 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B3863_C379
Last updated:
2025-01-01
Recommended Twist Rate:
1:12 - 1:10

Load data for 162 loads in caliber .300 Weath. Mag. with .308 | 150gr | Norma ECO Strike bullet and 81 powders such as Accurate 4350, Alliant Reloder-16, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70. 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
<<locked>>
87%
57334
90%
**17
100%
ADI AR 2209
<<locked>>
97%
54476
85%
**53
97%
[ADI AR 2213]*
<<locked>>
97%
48994
77%
**68
94%
Accurate 2700
<<locked>>
88%
57363
90%
**68
98%
Accurate 3100
<<locked>>
97%
48182
76%
**95
98%
Accurate 4064
<<locked>>
85%
57305
90%
**91
100%
Accurate 4350 👍
<<locked>>
93%
57246
90%
**82
100%
Alliant Reloder- TS 15.5
<<locked>>
87%
57188
90%
**23
100%
Alliant Reloder-15
<<locked>>
85%
57421
90%
**59
100%
Alliant Reloder-16 👍
<<locked>>
94%
56985
89%
**25
100%
Alliant Reloder-17
<<locked>>
90%
57246
90%
**41
100%
Alliant Reloder-19
<<locked>>
97%
54244
85%
**43
97%
Alliant Reloder-22
<<locked>>
97%
48022
75%
**68
96%
Alliant Reloder-23
<<locked>>
97%
45542
71%
**22
100%
Alliant Reloder-25
<<locked>>
97%
39334
62%
**00
96%
Alliant Reloder-26
<<locked>>
97%
51750
81%
**12
100%
Hodgdon CFE223
<<locked>>
85%
56927
89%
**69
100%
Hodgdon H380
<<locked>>
86%
57116
90%
**43
100%
Hodgdon H414
<<locked>>
89%
56681
89%
**92
99%
Hodgdon H4350
<<locked>>
96%
57334
90%
**43
98%
[Hodgdon H4831]*
<<locked>>
97%
45556
71%
**53
92%
[Hodgdon H4831 SC]*
<<locked>>
97%
51401
81%
**61
94%
Hodgdon Hybrid 100V
<<locked>>
96%
57348
90%
**46
100%
Hodgdon LVR
<<locked>>
91%
57377
90%
**79
100%
Hodgdon Superperformance
<<locked>>
91%
56637
89%
**12
99%
Hodgdon VARGET
<<locked>>
88%
57334
90%
**17
100%
Hodgdon TrailBoss
<<locked>>
97%
34896
55%
**42
100%
IMR 3031
<<locked>>
84%
57276
90%
**00
100%
IMR 4064
<<locked>>
88%
57188
90%
**10
100%
IMR 4166 Enduron
<<locked>>
88%
57203
90%
**04
99%
IMR 4350
<<locked>>
94%
57348
90%
**43
98%
IMR 4451 Enduron
<<locked>>
89%
56884
89%
**20
99%
IMR 4831
<<locked>>
97%
54911
86%
**30
100%
IMR 4895
<<locked>>
84%
56768
89%
**56
100%
[IMR 4955 Enduron]*
<<locked>>
97%
50546
79%
**09
94%
IMR 7828 SSC
<<locked>>
97%
50589
79%
**20
95%
Lovex S062
<<locked>>
85%
57043
89%
**94
100%
Lovex S065
<<locked>>
91%
57188
90%
**20
100%
Lovex S070
<<locked>>
93%
57377
90%
**46
99%
Lovex S071
<<locked>>
97%
39871
62%
**22
96%
Norma 203B
<<locked>>
85%
56768
89%
**33
100%
Norma 204
<<locked>>
93%
57217
90%
**79
97%
Norma MRP
<<locked>>
97%
50531
79%
**63
98%
Norma URP
<<locked>>
93%
56898
89%
**79
100%
Ramshot Big Game
<<locked>>
85%
57217
90%
**53
100%
Ramshot Hunter 👍
<<locked>>
94%
56710
89%
**86
99%
Ramshot Magnum
<<locked>>
97%
46876
73%
**22
96%
ReloadSwiss RS 14
<<locked>>
96%
35186
55%
**78
100%
ReloadSwiss RS 50
<<locked>>
86%
57276
90%
**23
99%
ReloadSwiss RS 52
<<locked>>
85%
56811
89%
**53
100%
ReloadSwiss RS 60
<<locked>>
91%
57406
90%
**58
100%
ReloadSwiss RS 62 👍
<<locked>>
93%
57087
89%
**05
100%
ReloadSwiss RS 70 👍
<<locked>>
93%
57087
89%
**48
100%
[ReloadSwiss RS 76]*
<<locked>>
97%
38551
60%
**07
93%
Rottweil R 902
<<locked>>
84%
57029
89%
**81
100%
Rottweil R 903
<<locked>>
88%
57406
90%
**27
100%
Rottweil R 904
<<locked>>
97%
56449
88%
**27
96%
Rottweil R 905
<<locked>>
97%
52881
83%
**23
97%
Rottweil R 907
<<locked>>
91%
57348
90%
**20
98%
SNPE Vectan SP 11
<<locked>>
87%
57159
90%
**63
100%
SNPE Vectan Tubal 5000
<<locked>>
87%
56869
89%
**86
100%
SNPE Vectan Tubal 7000
<<locked>>
92%
57087
89%
**68
99%
Shooters World Long Rifle
<<locked>>
91%
57188
90%
**20
100%
Shooters World Precision
<<locked>>
85%
57043
89%
**94
100%
Somchem S355
<<locked>>
88%
57377
90%
**27
100%
Somchem S361
<<locked>>
96%
56884
89%
**87
95%
Somchem S365
<<locked>>
96%
57261
90%
**99
100%
Somchem S385
<<locked>>
97%
53925
85%
**07
98%
Vihtavuori N133
<<locked>>
84%
57305
90%
**92
100%
Vihtavuori N135
<<locked>>
89%
56942
89%
**35
100%
Vihtavuori N140
<<locked>>
84%
57392
90%
**48
100%
Vihtavuori N150
<<locked>>
93%
57363
90%
**87
100%
Vihtavuori N160
<<locked>>
91%
56739
89%
**33
100%
Vihtavuori N165
<<locked>>
97%
44904
70%
**27
95%
Vihtavuori N540
<<locked>>
84%
57101
89%
**81
100%
Vihtavuori N550
<<locked>>
90%
56782
89%
**73
100%
Vihtavuori N555
<<locked>>
97%
50792
80%
**10
100%
[Vihtavuori N560]*
<<locked>>
97%
48066
75%
**84
93%
Winchester 6.5 StaBALL
<<locked>>
92%
57305
90%
**14
100%
Winchester 760
<<locked>>
89%
56681
89%
**92
99%
Winchester StaBALL HD
<<locked>>
97%
39363
62%
**48
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
47282
74%
**40
99%
[ADI AR 2209]*
<<locked>>
84%
35505
56%
**36
90%
[ADI AR 2213]*
<<locked>>
91%
40074
63%
**61
90%
Accurate 2700
<<locked>>
81%
45556
71%
**61
96%
[Accurate 3100]*
<<locked>>
81%
27746
43%
**03
90%
Accurate 4064
<<locked>>
81%
49966
78%
**79
100%
Accurate 4350
<<locked>>
81%
37956
59%
**12
97%
Alliant Reloder- TS 15.5
<<locked>>
81%
47485
74%
**69
100%
Alliant Reloder-15
<<locked>>
81%
50995
80%
**41
100%
Alliant Reloder-16
<<locked>>
81%
36985
58%
**12
97%
Alliant Reloder-17
<<locked>>
81%
42134
66%
**56
100%
[Alliant Reloder-19]*
<<locked>>
83%
34693
54%
**17
90%
[Alliant Reloder-22]*
<<locked>>
87%
34621
54%
**53
90%
[Alliant Reloder-23]*
<<locked>>
81%
27195
43%
**36
94%
[Alliant Reloder-25]*
<<locked>>
87%
28703
45%
**85
90%
[Alliant Reloder-26]*
<<locked>>
81%
28834
45%
**31
91%
Hodgdon CFE223
<<locked>>
81%
50328
79%
**64
100%
Hodgdon H380
<<locked>>
81%
48704
76%
**92
99%
Hodgdon H414
<<locked>>
81%
43627
68%
**43
96%
[Hodgdon H4350]*
<<locked>>
81%
35911
56%
**03
92%
[Hodgdon H4831]*
<<locked>>
93%
40625
64%
**38
90%
[Hodgdon H4831 SC]*
<<locked>>
90%
40495
63%
**38
90%
Hodgdon Hybrid 100V
<<locked>>
81%
34374
54%
**07
98%
Hodgdon LVR
<<locked>>
81%
40785
64%
**61
97%
[Hodgdon Superperformance]*
<<locked>>
81%
39218
61%
**58
94%
Hodgdon VARGET
<<locked>>
81%
46702
73%
**27
99%
Hodgdon TrailBoss
<<locked>>
81%
27688
43%
**75
100%
IMR 3031
<<locked>>
81%
52388
82%
**31
100%
IMR 4064
<<locked>>
81%
46325
73%
**17
99%
IMR 4166 Enduron
<<locked>>
81%
45440
71%
**84
97%
[IMR 4350]*
<<locked>>
81%
37753
59%
**43
93%
IMR 4451 Enduron
<<locked>>
81%
43671
68%
**71
96%
IMR 4831
<<locked>>
81%
33025
52%
**71
95%
IMR 4895
<<locked>>
81%
52228
82%
**77
100%
[IMR 4955 Enduron]*
<<locked>>
89%
39624
62%
**79
90%
[IMR 7828 SSC]*
<<locked>>
90%
39639
62%
**71
90%
Lovex S062
<<locked>>
81%
49937
78%
**82
100%
Lovex S065
<<locked>>
81%
41162
64%
**12
97%
Lovex S070
<<locked>>
81%
39363
62%
**92
95%
[Lovex S071]*
<<locked>>
86%
28007
44%
**13
90%
Norma 203B
<<locked>>
81%
50212
79%
**22
100%
[Norma 204]*
<<locked>>
81%
37159
58%
**59
91%
[Norma MRP]*
<<locked>>
83%
31676
50%
**97
90%
Norma URP
<<locked>>
81%
37869
59%
**08
97%
Ramshot Big Game
<<locked>>
81%
50865
80%
**58
100%
Ramshot Hunter
<<locked>>
81%
36738
58%
**82
95%
[Ramshot Magnum]*
<<locked>>
89%
34229
54%
**20
90%
ReloadSwiss RS 14
<<locked>>
81%
27978
44%
**14
100%
ReloadSwiss RS 50
<<locked>>
81%
48428
76%
**66
98%
ReloadSwiss RS 52
<<locked>>
81%
50198
79%
**48
100%
ReloadSwiss RS 60
<<locked>>
81%
40640
64%
**49
100%
ReloadSwiss RS 62
<<locked>>
81%
37826
59%
**25
97%
ReloadSwiss RS 70
<<locked>>
81%
36840
58%
**22
96%
[ReloadSwiss RS 76]*
<<locked>>
93%
34040
53%
**69
90%
Rottweil R 902
<<locked>>
81%
51706
81%
**92
100%
Rottweil R 903
<<locked>>
81%
45208
71%
**27
100%
[Rottweil R 904]*
<<locked>>
84%
37797
59%
**46
90%
[Rottweil R 905]*
<<locked>>
84%
34098
53%
**07
90%
Rottweil R 907
<<locked>>
81%
42235
66%
**35
95%
SNPE Vectan SP 11
<<locked>>
81%
46470
73%
**82
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
46499
73%
**25
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
40205
63%
**43
95%
Shooters World Long Rifle
<<locked>>
81%
41162
64%
**12
97%
Shooters World Precision
<<locked>>
81%
49937
78%
**82
100%
Somchem S355
<<locked>>
81%
45498
71%
**20
100%
[Somchem S361]*
<<locked>>
86%
40089
63%
**72
90%
Somchem S365
<<locked>>
81%
34171
54%
**59
99%
[Somchem S385]*
<<locked>>
81%
31879
50%
**15
90%
Vihtavuori N133
<<locked>>
81%
51895
81%
**13
100%
Vihtavuori N135
<<locked>>
81%
44063
69%
**28
100%
Vihtavuori N140
<<locked>>
81%
51488
81%
**66
100%
Vihtavuori N150
<<locked>>
81%
38885
61%
**53
100%
Vihtavuori N160
<<locked>>
81%
40901
64%
**41
98%
[Vihtavuori N165]*
<<locked>>
87%
32750
51%
**35
90%
Vihtavuori N540
<<locked>>
81%
51169
80%
**86
100%
Vihtavuori N550
<<locked>>
81%
41684
65%
**87
98%
[Vihtavuori N555]*
<<locked>>
81%
29834
47%
**25
94%
[Vihtavuori N560]*
<<locked>>
91%
40335
63%
**13
90%
Winchester 6.5 StaBALL
<<locked>>
81%
38667
61%
**72
99%
Winchester 760
<<locked>>
81%
43627
68%
**43
96%
[Winchester StaBALL HD]*
<<locked>>
81%
23917
37%
**64
91%

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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