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

Recommended Powder(s): Alliant Reloder-26, Ramshot Hunter, ReloadSwiss RS 70, Vihtavuori N555, Winchester StaBALL HD

.300 Norma 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 Norma Mag load data
Case Length (l3):
2.490" | 63.2mm
Cartridge Length (C.O.L.):
3.457" | 87.8mm
Seated Depth:
0.319" | 8.1mm
Shank Seated Depth:
0.122" | 3.1mm
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_B3863_C365
Last updated:
2025-01-01
Recommended Twist Rate:
1:12 - 1:10

Load data for 142 loads in caliber .300 Norma Mag with .308 | 150gr | Norma ECO Strike bullet and 71 powders such as Alliant Reloder-26, Ramshot Hunter, ReloadSwiss RS 70, Vihtavuori N555, Winchester StaBALL HD. 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>>
84%
56942
89%
**56
100%
ADI AR 2209
<<locked>>
94%
56942
89%
**45
98%
ADI AR 2213
<<locked>>
97%
55637
87%
**58
97%
[ADI AR 2217]*
<<locked>>
97%
40625
64%
**17
92%
[ADI AR 2225]*
<<locked>>
97%
36216
57%
**58
94%
Accurate 2700
<<locked>>
85%
56782
89%
**04
99%
Accurate 3100
<<locked>>
97%
55912
88%
**69
100%
Accurate 4350
<<locked>>
89%
57159
90%
**15
100%
Accurate MAGPRO
<<locked>>
97%
55027
86%
**45
95%
Alliant Reloder- TS 15.5
<<locked>>
83%
57217
90%
**73
100%
Alliant Reloder-16
<<locked>>
90%
57014
89%
**64
100%
Alliant Reloder-17
<<locked>>
86%
57276
90%
**58
100%
Alliant Reloder-19
<<locked>>
95%
57116
90%
**48
98%
Alliant Reloder-22
<<locked>>
97%
55376
87%
**51
98%
Alliant Reloder-23
<<locked>>
97%
52721
83%
**82
100%
Alliant Reloder-25
<<locked>>
97%
45150
71%
**81
99%
Alliant Reloder-26 👍
<<locked>>
95%
57087
89%
**30
100%
[Hodgdon H1000]*
<<locked>>
97%
40625
64%
**17
92%
Hodgdon H414
<<locked>>
85%
56913
89%
**28
99%
Hodgdon H4350
<<locked>>
92%
56942
89%
**79
99%
Hodgdon H4831
<<locked>>
97%
51213
80%
**10
95%
Hodgdon H4831 SC
<<locked>>
96%
57029
89%
**15
97%
Hodgdon Hybrid 100V
<<locked>>
92%
56913
89%
**76
100%
Hodgdon LVR
<<locked>>
87%
57130
90%
**12
100%
[Hodgdon Retumbo]*
<<locked>>
97%
36216
57%
**58
94%
Hodgdon Superperformance
<<locked>>
87%
57058
89%
**68
99%
Hodgdon VARGET
<<locked>>
84%
56942
89%
**56
100%
Hodgdon TrailBoss
<<locked>>
96%
34954
55%
**98
100%
IMR 4064
<<locked>>
85%
57072
89%
**53
100%
IMR 4166 Enduron
<<locked>>
85%
56985
89%
**50
99%
IMR 4350
<<locked>>
91%
57305
90%
**92
99%
IMR 4451 Enduron
<<locked>>
86%
57305
90%
**73
99%
IMR 4831
<<locked>>
94%
57334
90%
**96
100%
IMR 4955 Enduron
<<locked>>
97%
56666
89%
**76
97%
IMR 7828 SSC
<<locked>>
97%
57014
89%
**87
97%
Lovex S065
<<locked>>
88%
57276
90%
**66
100%
Lovex S070
<<locked>>
89%
57217
90%
**86
99%
Lovex S071
<<locked>>
97%
46224
72%
**99
98%
Norma 204
<<locked>>
90%
57043
89%
**25
98%
Norma MRP
<<locked>>
96%
56971
89%
**07
99%
Norma URP
<<locked>>
90%
56884
89%
**15
100%
Ramshot Hunter 👍
<<locked>>
90%
56840
89%
**28
100%
Ramshot Magnum
<<locked>>
97%
54418
85%
**05
99%
ReloadSwiss RS 14
<<locked>>
97%
35984
56%
**51
100%
ReloadSwiss RS 60
<<locked>>
87%
57334
90%
**84
100%
ReloadSwiss RS 62
<<locked>>
89%
57203
90%
**38
100%
ReloadSwiss RS 70 👍
<<locked>>
90%
56898
89%
**84
100%
ReloadSwiss RS 76
<<locked>>
97%
44411
70%
**17
98%
Rottweil R 903
<<locked>>
85%
57421
90%
**69
100%
Rottweil R 904
<<locked>>
94%
57348
90%
**99
97%
Rottweil R 905
<<locked>>
95%
57130
90%
**41
98%
Rottweil R 907
<<locked>>
87%
57130
90%
**76
99%
SNPE Vectan SP 11
<<locked>>
84%
57319
90%
**99
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
57261
90%
**35
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
57392
90%
**23
99%
Shooters World Long Rifle
<<locked>>
88%
57276
90%
**66
100%
Somchem S355
<<locked>>
85%
57014
89%
**66
100%
Somchem S361
<<locked>>
92%
57043
89%
**50
97%
Somchem S365
<<locked>>
92%
56724
89%
**12
100%
Somchem S385
<<locked>>
95%
57246
90%
**05
99%
Vihtavuori N135
<<locked>>
86%
56811
89%
**71
100%
Vihtavuori N150
<<locked>>
90%
57072
89%
**17
100%
Vihtavuori N160
<<locked>>
87%
57319
90%
**82
100%
Vihtavuori N165
<<locked>>
97%
51488
81%
**91
98%
Vihtavuori N550
<<locked>>
87%
57101
89%
**22
100%
Vihtavuori N555 👍
<<locked>>
96%
57072
89%
**38
100%
Vihtavuori N560
<<locked>>
97%
55666
87%
**81
97%
Vihtavuori N565
<<locked>>
97%
47558
75%
**91
95%
Winchester 6.5 StaBALL
<<locked>>
89%
57334
90%
**50
100%
Winchester 760
<<locked>>
85%
56913
89%
**28
99%
Winchester StaBALL HD 👍
<<locked>>
97%
48530
76%
**35
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
52098
82%
**71
100%
[ADI AR 2209]*
<<locked>>
81%
36535
57%
**05
92%
[ADI AR 2213]*
<<locked>>
85%
37333
59%
**41
90%
[ADI AR 2217]*
<<locked>>
94%
37217
58%
**25
90%
[ADI AR 2225]*
<<locked>>
92%
30980
49%
**90
90%
Accurate 2700
<<locked>>
81%
50531
79%
**99
98%
[Accurate 3100]*
<<locked>>
81%
32169
50%
**64
94%
Accurate 4350
<<locked>>
81%
43511
68%
**59
99%
[Accurate MAGPRO]*
<<locked>>
89%
41452
65%
**63
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
52924
83%
**94
100%
Alliant Reloder-16
<<locked>>
81%
41669
65%
**72
99%
Alliant Reloder-17
<<locked>>
81%
48153
75%
**14
100%
[Alliant Reloder-19]*
<<locked>>
81%
36405
57%
**99
92%
[Alliant Reloder-22]*
<<locked>>
81%
32576
51%
**23
90%
Alliant Reloder-23
<<locked>>
81%
30821
48%
**87
97%
[Alliant Reloder-25]*
<<locked>>
81%
26992
42%
**62
90%
Alliant Reloder-26
<<locked>>
81%
33634
53%
**25
96%
[Hodgdon H1000]*
<<locked>>
94%
37217
58%
**25
90%
Hodgdon H414
<<locked>>
81%
49298
77%
**91
98%
Hodgdon H4350
<<locked>>
81%
39987
63%
**38
95%
[Hodgdon H4831]*
<<locked>>
87%
37492
59%
**05
90%
[Hodgdon H4831 SC]*
<<locked>>
84%
37724
59%
**08
90%
Hodgdon Hybrid 100V
<<locked>>
81%
39189
61%
**51
99%
Hodgdon LVR
<<locked>>
81%
46166
72%
**25
99%
[Hodgdon Retumbo]*
<<locked>>
92%
30980
49%
**90
90%
Hodgdon Superperformance
<<locked>>
81%
44860
70%
**38
97%
Hodgdon VARGET
<<locked>>
81%
51561
81%
**61
100%
Hodgdon TrailBoss
<<locked>>
81%
28021
44%
**34
100%
IMR 4064
<<locked>>
81%
51068
80%
**54
100%
IMR 4166 Enduron
<<locked>>
81%
50067
78%
**18
98%
IMR 4350
<<locked>>
81%
42090
66%
**90
96%
IMR 4451 Enduron
<<locked>>
81%
48240
76%
**12
98%
IMR 4831
<<locked>>
81%
37739
59%
**15
98%
[IMR 4955 Enduron]*
<<locked>>
83%
36999
58%
**56
90%
[IMR 7828 SSC]*
<<locked>>
84%
36709
58%
**41
90%
Lovex S065
<<locked>>
81%
45556
71%
**49
98%
Lovex S070
<<locked>>
81%
43990
69%
**30
97%
[Lovex S071]*
<<locked>>
81%
27586
43%
**23
91%
[Norma 204]*
<<locked>>
81%
41901
66%
**20
94%
[Norma MRP]*
<<locked>>
81%
33692
53%
**89
93%
Norma URP
<<locked>>
81%
42888
67%
**53
99%
Ramshot Hunter
<<locked>>
81%
41669
65%
**30
97%
[Ramshot Magnum]*
<<locked>>
83%
31401
49%
**71
90%
ReloadSwiss RS 14
<<locked>>
81%
28529
45%
**77
100%
ReloadSwiss RS 60
<<locked>>
81%
46267
72%
**97
100%
ReloadSwiss RS 62
<<locked>>
81%
43439
68%
**79
99%
ReloadSwiss RS 70
<<locked>>
81%
41872
66%
**89
98%
[ReloadSwiss RS 76]*
<<locked>>
87%
31691
50%
**40
90%
Rottweil R 903
<<locked>>
81%
50720
79%
**54
100%
[Rottweil R 904]*
<<locked>>
81%
37811
59%
**92
91%
[Rottweil R 905]*
<<locked>>
81%
35534
56%
**85
92%
Rottweil R 907
<<locked>>
81%
46833
73%
**76
97%
SNPE Vectan SP 11
<<locked>>
81%
52069
82%
**20
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
51198
80%
**49
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
44976
70%
**97
97%
Shooters World Long Rifle
<<locked>>
81%
45556
71%
**49
98%
Somchem S355
<<locked>>
81%
50488
79%
**48
100%
[Somchem S361]*
<<locked>>
81%
38682
61%
**76
91%
Somchem S365
<<locked>>
81%
39363
62%
**04
100%
[Somchem S385]*
<<locked>>
81%
36260
57%
**69
94%
Vihtavuori N135
<<locked>>
81%
49081
77%
**49
100%
Vihtavuori N150
<<locked>>
81%
43526
68%
**81
100%
Vihtavuori N160
<<locked>>
81%
46311
73%
**86
99%
[Vihtavuori N165]*
<<locked>>
81%
30763
48%
**12
90%
Vihtavuori N550
<<locked>>
81%
46717
73%
**28
99%
Vihtavuori N555
<<locked>>
81%
34534
54%
**76
97%
[Vihtavuori N560]*
<<locked>>
86%
37811
59%
**84
90%
[Vihtavuori N565]*
<<locked>>
89%
36608
57%
**38
90%
Winchester 6.5 StaBALL
<<locked>>
81%
43453
68%
**10
100%
Winchester 760
<<locked>>
81%
49298
77%
**91
98%
Winchester StaBALL HD
<<locked>>
81%
25324
40%
**57
96%

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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