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Load data for .300 Norma Mag + .308 | 152gr | MRR Green Sport

Recommended Powder(s): Alliant Reloder-23, Alliant Reloder-26, IMR 4831, Vihtavuori N555, Winchester StaBALL HD

.300 Norma Mag + .308 | 152gr | MRR Green Sport

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 152gr | MRR Green Sport
Manufacturer SKU:
A1860
Bullet Weight:
152gr | 9.8g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.330" | 33.8mm
Caliber:
.300 Norma Mag load data
Case Length (l3):
2.490" | 63.2mm
Cartridge Length (C.O.L.):
3.625" | 92.1mm
Seated Depth:
0.195" | 5.0mm
Shank Seated Depth:
0.116" | 3.0mm
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_B10783_C365
Last updated:
2025-02-02
Recommended Twist Rate:
1:11 - 1:9

Load data for 140 loads in caliber .300 Norma Mag with .308 | 152gr | MRR Green Sport bullet and 70 powders such as Alliant Reloder-23, Alliant Reloder-26, IMR 4831, 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>>
83%
56942
89%
**43
100%
ADI AR 2209
<<locked>>
93%
57246
90%
**38
99%
ADI AR 2213
<<locked>>
97%
57392
90%
**71
98%
[ADI AR 2217]*
<<locked>>
97%
41989
66%
**40
93%
ADI AR 2225
<<locked>>
97%
37536
59%
**77
95%
Accurate 2700
<<locked>>
84%
57319
90%
**14
99%
Accurate 3100
<<locked>>
97%
57159
90%
**66
100%
Accurate 4350
<<locked>>
88%
57392
90%
**96
100%
Accurate MAGPRO
<<locked>>
97%
56608
89%
**55
96%
Alliant Reloder-16
<<locked>>
89%
56739
89%
**35
100%
Alliant Reloder-17
<<locked>>
85%
57232
90%
**45
100%
Alliant Reloder-19
<<locked>>
94%
56971
89%
**25
99%
Alliant Reloder-22
<<locked>>
97%
57246
90%
**64
99%
Alliant Reloder-23 👍
<<locked>>
97%
54317
85%
**92
100%
Alliant Reloder-25
<<locked>>
97%
47181
74%
**14
99%
Alliant Reloder-26 👍
<<locked>>
94%
56826
89%
**14
100%
[Hodgdon H1000]*
<<locked>>
97%
41989
66%
**40
93%
Hodgdon H414
<<locked>>
84%
57348
90%
**28
99%
Hodgdon H4350
<<locked>>
91%
57145
90%
**76
99%
Hodgdon H4831
<<locked>>
97%
52982
83%
**27
96%
Hodgdon H4831 SC
<<locked>>
95%
57014
89%
**96
97%
Hodgdon Hybrid 100V
<<locked>>
91%
57087
89%
**59
100%
Hodgdon LVR
<<locked>>
87%
57174
90%
**09
100%
Hodgdon Retumbo
<<locked>>
97%
37536
59%
**77
95%
Hodgdon Superperformance
<<locked>>
86%
56710
89%
**48
99%
Hodgdon VARGET
<<locked>>
83%
56942
89%
**43
100%
Hodgdon TrailBoss
<<locked>>
97%
35418
55%
**98
100%
IMR 4064
<<locked>>
84%
57116
90%
**30
100%
IMR 4166 Enduron
<<locked>>
85%
56927
89%
**30
99%
IMR 4350
<<locked>>
89%
56797
89%
**63
99%
IMR 4451 Enduron
<<locked>>
86%
57174
90%
**59
99%
IMR 4831 👍
<<locked>>
93%
56826
89%
**79
100%
IMR 4955 Enduron
<<locked>>
96%
57116
89%
**66
97%
IMR 7828 SSC
<<locked>>
96%
56855
89%
**78
98%
Lovex S065
<<locked>>
87%
56913
89%
**53
100%
Lovex S070
<<locked>>
88%
57145
90%
**66
100%
Lovex S071
<<locked>>
97%
48124
75%
**09
99%
Norma 204
<<locked>>
89%
57319
90%
**05
98%
[Norma 217]*
<<locked>>
97%
33359
52%
**95
92%
Norma MRP
<<locked>>
95%
57072
89%
**97
100%
Norma URP
<<locked>>
89%
57058
89%
**99
100%
Ramshot Hunter
<<locked>>
89%
57334
90%
**22
100%
Ramshot Magnum
<<locked>>
97%
56913
89%
**38
99%
ReloadSwiss RS 14
<<locked>>
97%
35984
56%
**37
100%
ReloadSwiss RS 60
<<locked>>
86%
57000
89%
**64
100%
ReloadSwiss RS 62
<<locked>>
88%
57290
90%
**15
100%
ReloadSwiss RS 70
<<locked>>
89%
57421
90%
**78
100%
ReloadSwiss RS 76
<<locked>>
97%
46180
72%
**46
98%
Rottweil R 903
<<locked>>
84%
57116
90%
**43
100%
Rottweil R 904
<<locked>>
93%
57305
90%
**82
98%
Rottweil R 905
<<locked>>
94%
57261
90%
**25
99%
Rottweil R 907
<<locked>>
86%
57072
89%
**59
99%
SNPE Vectan Tubal 5000
<<locked>>
84%
57232
90%
**22
100%
SNPE Vectan Tubal 7000
<<locked>>
87%
56695
89%
**97
99%
Shooters World Long Rifle
<<locked>>
87%
56913
89%
**53
100%
Somchem S355
<<locked>>
84%
57421
90%
**50
100%
Somchem S361
<<locked>>
92%
57058
89%
**40
97%
Somchem S365
<<locked>>
91%
57406
90%
**09
100%
Somchem S385
<<locked>>
94%
57276
90%
**82
99%
Vihtavuori N135
<<locked>>
85%
57058
89%
**51
100%
Vihtavuori N150
<<locked>>
89%
57087
89%
**00
100%
Vihtavuori N160
<<locked>>
87%
57290
90%
**63
100%
Vihtavuori N165
<<locked>>
97%
53229
83%
**04
98%
Vihtavuori N550
<<locked>>
86%
57392
90%
**02
100%
Vihtavuori N555 👍
<<locked>>
95%
57261
90%
**28
100%
Vihtavuori N560
<<locked>>
97%
57392
90%
**97
97%
Vihtavuori N565
<<locked>>
97%
49400
77%
**20
96%
Winchester 6.5 StaBALL
<<locked>>
88%
57000
89%
**20
100%
Winchester 760
<<locked>>
84%
57348
90%
**28
99%
Winchester StaBALL HD 👍
<<locked>>
97%
51358
80%
**61
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
53388
84%
**84
100%
[ADI AR 2209]*
<<locked>>
81%
37681
59%
**28
93%
[ADI AR 2213]*
<<locked>>
84%
36593
57%
**08
90%
[ADI AR 2217]*
<<locked>>
92%
36477
57%
**92
90%
[ADI AR 2225]*
<<locked>>
90%
30385
48%
**57
90%
Accurate 2700
<<locked>>
81%
51561
81%
**05
98%
Accurate 3100
<<locked>>
81%
33359
52%
**80
95%
Accurate 4350
<<locked>>
81%
44991
70%
**82
99%
[Accurate MAGPRO]*
<<locked>>
88%
40901
64%
**40
90%
Alliant Reloder-16
<<locked>>
81%
43221
68%
**92
99%
Alliant Reloder-17
<<locked>>
81%
49937
78%
**23
100%
[Alliant Reloder-19]*
<<locked>>
81%
37565
59%
**22
93%
[Alliant Reloder-22]*
<<locked>>
81%
33257
52%
**33
91%
Alliant Reloder-23
<<locked>>
81%
31995
50%
**13
98%
[Alliant Reloder-25]*
<<locked>>
81%
28079
44%
**89
92%
Alliant Reloder-26
<<locked>>
81%
34983
55%
**48
97%
[Hodgdon H1000]*
<<locked>>
92%
36477
57%
**92
90%
Hodgdon H414
<<locked>>
81%
50894
80%
**17
99%
Hodgdon H4350
<<locked>>
81%
41423
65%
**61
96%
[Hodgdon H4831]*
<<locked>>
86%
36898
58%
**82
90%
[Hodgdon H4831 SC]*
<<locked>>
83%
37115
58%
**82
90%
Hodgdon Hybrid 100V
<<locked>>
81%
40495
63%
**61
100%
Hodgdon LVR
<<locked>>
81%
47456
74%
**28
99%
[Hodgdon Retumbo]*
<<locked>>
90%
30385
48%
**57
90%
Hodgdon Superperformance
<<locked>>
81%
46340
73%
**48
98%
Hodgdon VARGET
<<locked>>
81%
52852
83%
**74
100%
Hodgdon TrailBoss
<<locked>>
81%
28065
44%
**27
100%
IMR 4064
<<locked>>
81%
52446
82%
**61
100%
IMR 4166 Enduron
<<locked>>
81%
51285
80%
**38
99%
IMR 4350
<<locked>>
81%
43540
68%
**13
97%
IMR 4451 Enduron
<<locked>>
81%
49400
77%
**15
98%
IMR 4831
<<locked>>
81%
38986
61%
**28
98%
[IMR 4955 Enduron]*
<<locked>>
81%
36100
57%
**23
90%
[IMR 7828 SSC]*
<<locked>>
83%
36187
57%
**05
90%
Lovex S065
<<locked>>
81%
47007
74%
**66
99%
Lovex S070
<<locked>>
81%
45150
71%
**49
98%
[Lovex S071]*
<<locked>>
81%
28674
45%
**46
92%
Norma 204
<<locked>>
81%
43352
68%
**40
95%
[Norma 217]*
<<locked>>
95%
30864
48%
**13
90%
[Norma MRP]*
<<locked>>
81%
34693
54%
**08
94%
Norma URP
<<locked>>
81%
44280
69%
**72
99%
Ramshot Hunter
<<locked>>
81%
43178
68%
**59
98%
[Ramshot Magnum]*
<<locked>>
81%
30864
48%
**48
90%
ReloadSwiss RS 14
<<locked>>
81%
28645
45%
**70
100%
ReloadSwiss RS 60
<<locked>>
81%
47964
75%
**10
100%
ReloadSwiss RS 62
<<locked>>
81%
44918
70%
**99
99%
ReloadSwiss RS 70
<<locked>>
81%
43308
68%
**05
99%
[ReloadSwiss RS 76]*
<<locked>>
86%
30937
48%
**10
90%
Rottweil R 903
<<locked>>
81%
52098
82%
**68
100%
[Rottweil R 904]*
<<locked>>
81%
38885
61%
**02
92%
[Rottweil R 905]*
<<locked>>
81%
36666
57%
**95
93%
Rottweil R 907
<<locked>>
81%
48153
75%
**95
98%
SNPE Vectan Tubal 5000
<<locked>>
81%
52562
82%
**49
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
45861
72%
**97
98%
Shooters World Long Rifle
<<locked>>
81%
47007
74%
**66
99%
Somchem S355
<<locked>>
81%
52112
82%
**61
100%
[Somchem S361]*
<<locked>>
81%
39871
62%
**92
92%
Somchem S365
<<locked>>
81%
41002
64%
**23
100%
[Somchem S385]*
<<locked>>
81%
37333
59%
**89
94%
Vihtavuori N135
<<locked>>
81%
50502
79%
**53
100%
Vihtavuori N150
<<locked>>
81%
44817
70%
**97
100%
Vihtavuori N160
<<locked>>
81%
47543
75%
**99
100%
[Vihtavuori N165]*
<<locked>>
81%
31415
49%
**12
91%
Vihtavuori N550
<<locked>>
81%
48327
76%
**45
100%
Vihtavuori N555
<<locked>>
81%
35795
56%
**02
98%
[Vihtavuori N560]*
<<locked>>
84%
36680
57%
**41
90%
[Vihtavuori N565]*
<<locked>>
88%
35882
56%
**08
90%
Winchester 6.5 StaBALL
<<locked>>
81%
44831
70%
**17
100%
Winchester 760
<<locked>>
81%
50894
80%
**17
99%
Winchester StaBALL HD
<<locked>>
81%
26963
42%
**97
97%

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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