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Load data for .300 Norma Mag + .308 | 180gr | A-Square MONO RN

Recommended Powder(s): Alliant Reloder-22, Alliant Reloder-25, IMR 7828 SSC, Norma MRP, Ramshot Magnum

.300 Norma Mag + .308 | 180gr | A-Square MONO RN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 180gr | A-Square MONO RN
Bullet Weight:
180gr | 11.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.030" | 26.2mm
Caliber:
.300 Norma Mag load data
Case Length (l3):
2.490" | 63.2mm
Cartridge Length (C.O.L.):
3.398" | 86.3mm
Seated Depth:
0.122" | 3.1mm
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_B379_C365
Last updated:
2025-01-01

Load data for 114 loads in caliber .300 Norma Mag with .308 | 180gr | A-Square MONO RN bullet and 57 powders such as Alliant Reloder-22, Alliant Reloder-25, IMR 7828 SSC, Norma MRP, Ramshot Magnum. 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 2209
<<locked>>
89%
57305
90%
**15
100%
ADI AR 2213
<<locked>>
92%
56855
89%
**48
99%
ADI AR 2217
<<locked>>
97%
48921
77%
**10
98%
ADI AR 2225
<<locked>>
97%
44121
69%
**64
99%
Accurate 3100
<<locked>>
92%
56811
89%
**43
100%
Accurate 4350
<<locked>>
84%
57348
90%
**66
100%
Accurate MAGPRO
<<locked>>
92%
57087
89%
**61
98%
Alliant Reloder-16
<<locked>>
85%
57087
89%
**05
100%
Alliant Reloder-19
<<locked>>
89%
56840
89%
**05
100%
Alliant Reloder-22 👍
<<locked>>
92%
57029
89%
**45
100%
Alliant Reloder-23
<<locked>>
93%
56666
89%
**89
100%
Alliant Reloder-25 👍
<<locked>>
97%
55898
88%
**51
100%
Alliant Reloder-26
<<locked>>
89%
57217
90%
**74
100%
[Alliant Reloder-33]*
<<locked>>
97%
45847
72%
**00
93%
Hodgdon H1000
<<locked>>
97%
48921
77%
**10
98%
Hodgdon H4350
<<locked>>
87%
57392
90%
**56
100%
Hodgdon H4831
<<locked>>
95%
56942
89%
**92
98%
Hodgdon H4831 SC
<<locked>>
91%
57363
90%
**05
99%
Hodgdon Hybrid 100V
<<locked>>
87%
57043
89%
**27
100%
Hodgdon Retumbo
<<locked>>
97%
44121
69%
**64
99%
Hodgdon TrailBoss
<<locked>>
97%
35868
56%
**57
100%
IMR 4350
<<locked>>
86%
57174
90%
**59
100%
IMR 4831
<<locked>>
89%
57101
89%
**56
100%
IMR 4955 Enduron
<<locked>>
92%
56898
89%
**59
99%
IMR 7828 SSC 👍
<<locked>>
91%
57072
89%
**58
99%
[IMR 7977 Enduron]*
<<locked>>
97%
56956
89%
**10
93%
IMR 8133 Enduron
<<locked>>
97%
40045
63%
**69
96%
Lovex S065
<<locked>>
83%
57101
89%
**27
100%
Lovex S070
<<locked>>
84%
57232
90%
**49
100%
Lovex S071
<<locked>>
97%
56637
89%
**43
100%
Norma 204
<<locked>>
85%
56855
89%
**92
99%
Norma 217
<<locked>>
97%
40306
63%
**92
98%
Norma MRP 👍
<<locked>>
90%
56942
89%
**61
100%
Norma URP
<<locked>>
84%
56942
89%
**66
100%
Ramshot Hunter
<<locked>>
85%
57217
90%
**92
100%
Ramshot Magnum 👍
<<locked>>
92%
57232
90%
**22
100%
ReloadSwiss RS 14
<<locked>>
96%
36506
57%
**96
100%
ReloadSwiss RS 62
<<locked>>
84%
57276
90%
**89
100%
ReloadSwiss RS 70
<<locked>>
84%
57392
90%
**38
100%
ReloadSwiss RS 76
<<locked>>
97%
56014
88%
**17
100%
ReloadSwiss RS 80
<<locked>>
97%
50691
79%
**92
97%
Rottweil R 904
<<locked>>
89%
57232
90%
**72
99%
Rottweil R 905
<<locked>>
90%
57130
90%
**09
100%
SNPE Vectan Tubal 7000
<<locked>>
84%
57203
90%
**90
100%
Shooters World Long Rifle
<<locked>>
83%
57101
89%
**27
100%
Somchem S361
<<locked>>
88%
57217
90%
**40
99%
Somchem S365
<<locked>>
86%
57043
89%
**63
100%
Somchem S385
<<locked>>
89%
57246
90%
**79
100%
Vihtavuori N150
<<locked>>
85%
57072
89%
**71
100%
Vihtavuori N165
<<locked>>
94%
56884
89%
**53
100%
Vihtavuori N555
<<locked>>
90%
57261
90%
**95
100%
Vihtavuori N560
<<locked>>
92%
57392
90%
**77
99%
Vihtavuori N565
<<locked>>
96%
56637
89%
**41
99%
Vihtavuori N568
<<locked>>
97%
52069
82%
**02
97%
[Vihtavuori N570]*
<<locked>>
97%
49574
78%
**89
94%
Winchester 6.5 StaBALL
<<locked>>
84%
57072
89%
**97
100%
Winchester StaBALL HD
<<locked>>
94%
57363
90%
**97
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
43453
68%
**69
97%
[ADI AR 2213]*
<<locked>>
81%
38856
61%
**94
94%
[ADI AR 2217]*
<<locked>>
83%
30763
48%
**64
90%
[ADI AR 2225]*
<<locked>>
81%
26440
41%
**62
91%
Accurate 3100
<<locked>>
81%
39479
62%
**38
99%
Accurate 4350
<<locked>>
81%
52504
82%
**97
100%
[Accurate MAGPRO]*
<<locked>>
81%
38435
60%
**84
92%
Alliant Reloder-16
<<locked>>
81%
50111
79%
**00
100%
Alliant Reloder-19
<<locked>>
81%
43613
68%
**62
97%
Alliant Reloder-22
<<locked>>
81%
39305
62%
**97
96%
Alliant Reloder-23
<<locked>>
81%
37971
59%
**64
100%
Alliant Reloder-25
<<locked>>
81%
32779
51%
**72
97%
Alliant Reloder-26
<<locked>>
81%
42467
67%
**22
100%
[Alliant Reloder-33]*
<<locked>>
93%
39392
62%
**46
90%
[Hodgdon H1000]*
<<locked>>
83%
30763
48%
**64
90%
Hodgdon H4350
<<locked>>
81%
47094
74%
**76
99%
[Hodgdon H4831]*
<<locked>>
81%
36608
57%
**89
93%
Hodgdon H4831 SC
<<locked>>
81%
40843
64%
**90
95%
Hodgdon Hybrid 100V
<<locked>>
81%
47210
74%
**79
100%
[Hodgdon Retumbo]*
<<locked>>
81%
26440
41%
**62
91%
Hodgdon TrailBoss
<<locked>>
81%
28558
45%
**99
100%
IMR 4350
<<locked>>
81%
49414
77%
**22
99%
IMR 4831
<<locked>>
81%
45092
71%
**49
100%
IMR 4955 Enduron
<<locked>>
81%
40741
64%
**54
95%
IMR 7828 SSC
<<locked>>
81%
40161
63%
**30
95%
[IMR 7977 Enduron]*
<<locked>>
92%
48515
76%
**66
90%
[IMR 8133 Enduron]*
<<locked>>
88%
30400
48%
**07
90%
Lovex S065
<<locked>>
81%
53026
83%
**58
100%
Lovex S070
<<locked>>
81%
51648
81%
**58
100%
Lovex S071
<<locked>>
81%
33895
53%
**00
97%
Norma 204
<<locked>>
81%
49966
78%
**64
99%
[Norma 217]*
<<locked>>
84%
26382
41%
**98
90%
Norma MRP
<<locked>>
81%
41669
65%
**79
98%
Norma URP
<<locked>>
81%
51184
80%
**77
100%
Ramshot Hunter
<<locked>>
81%
49850
78%
**74
100%
Ramshot Magnum
<<locked>>
81%
36680
57%
**38
96%
ReloadSwiss RS 14
<<locked>>
81%
29240
46%
**39
100%
ReloadSwiss RS 62
<<locked>>
81%
52576
82%
**23
100%
ReloadSwiss RS 70
<<locked>>
81%
50749
80%
**40
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
31314
49%
**56
94%
[ReloadSwiss RS 80]*
<<locked>>
86%
33257
52%
**98
90%
Rottweil R 904
<<locked>>
81%
44788
70%
**49
97%
Rottweil R 905
<<locked>>
81%
42960
67%
**46
97%
SNPE Vectan Tubal 7000
<<locked>>
81%
52199
82%
**15
100%
Shooters World Long Rifle
<<locked>>
81%
53026
83%
**58
100%
Somchem S361
<<locked>>
81%
45614
71%
**33
96%
Somchem S365
<<locked>>
81%
48298
76%
**35
100%
Somchem S385
<<locked>>
81%
43555
68%
**30
98%
Vihtavuori N150
<<locked>>
81%
50705
79%
**72
100%
Vihtavuori N165
<<locked>>
81%
36767
58%
**75
96%
Vihtavuori N555
<<locked>>
81%
42656
67%
**49
100%
[Vihtavuori N560]*
<<locked>>
81%
39566
62%
**17
94%
[Vihtavuori N565]*
<<locked>>
81%
34316
54%
**72
92%
[Vihtavuori N568]*
<<locked>>
86%
34940
55%
**31
90%
[Vihtavuori N570]*
<<locked>>
91%
40611
64%
**92
90%
Winchester 6.5 StaBALL
<<locked>>
81%
51880
81%
**25
100%
Winchester StaBALL HD
<<locked>>
81%
34708
54%
**97
100%

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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