top of page

Load data for .300 Norma Mag + .308 | 185gr | Lapua Mega

Recommended Powder(s): ADI AR 2213, Alliant Reloder-25, IMR 7828 SSC, ReloadSwiss RS 76, Vihtavuori N560

.300 Norma Mag + .308 | 185gr | Lapua Mega

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 185gr | Lapua Mega
Manufacturer SKU:
4PL7213 | E415
Bullet Weight:
185gr | 12.0g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.126" | 28.6mm
Caliber:
.300 Norma Mag load data
Case Length (l3):
2.490" | 63.2mm
Cartridge Length (C.O.L.):
3.494" | 88.8mm
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_B3166_C365
Last updated:
2025-01-01

Load data for 108 loads in caliber .300 Norma Mag with .308 | 185gr | Lapua Mega bullet and 54 powders such as ADI AR 2213, Alliant Reloder-25, IMR 7828 SSC, ReloadSwiss RS 76, Vihtavuori N560. 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".

  • No data yet

  • .

    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%
57145
90%
**79
100%
ADI AR 2213 👍
<<locked>>
92%
57232
90%
**25
99%
ADI AR 2217
<<locked>>
97%
49922
78%
**90
98%
ADI AR 2225
<<locked>>
97%
45107
71%
**61
100%
Accurate 3100
<<locked>>
92%
57232
90%
**17
100%
Accurate MAGPRO
<<locked>>
92%
56768
89%
**25
98%
Alliant Reloder-16
<<locked>>
84%
56942
89%
**69
100%
Alliant Reloder-19
<<locked>>
89%
57145
90%
**79
100%
Alliant Reloder-22
<<locked>>
91%
56942
89%
**12
100%
Alliant Reloder-23
<<locked>>
93%
57217
90%
**63
100%
Alliant Reloder-25 👍
<<locked>>
97%
57188
90%
**25
100%
Alliant Reloder-26
<<locked>>
88%
57072
89%
**35
100%
[Alliant Reloder-33]*
<<locked>>
97%
46833
73%
**00
94%
Hodgdon H1000
<<locked>>
97%
49922
78%
**90
98%
Hodgdon H4350
<<locked>>
87%
57043
89%
**20
100%
Hodgdon H4831
<<locked>>
94%
57377
90%
**69
99%
Hodgdon H4831 SC
<<locked>>
90%
56927
89%
**56
99%
Hodgdon Hybrid 100V
<<locked>>
86%
57305
90%
**94
100%
Hodgdon Retumbo
<<locked>>
97%
45107
71%
**61
100%
Hodgdon TrailBoss
<<locked>>
97%
35897
56%
**34
100%
IMR 4350
<<locked>>
85%
56826
89%
**20
100%
IMR 4831
<<locked>>
88%
57334
90%
**27
100%
IMR 4955 Enduron
<<locked>>
92%
57130
90%
**33
99%
IMR 7828 SSC 👍
<<locked>>
90%
56739
89%
**18
99%
[IMR 7977 Enduron]*
<<locked>>
96%
57159
90%
**87
93%
IMR 8133 Enduron
<<locked>>
97%
41060
64%
**53
96%
Lovex S070
<<locked>>
84%
56927
89%
**10
100%
Lovex S071
<<locked>>
97%
56898
89%
**13
100%
Norma 204
<<locked>>
84%
57130
90%
**66
100%
Norma 217
<<locked>>
97%
41394
65%
**89
98%
Norma MRP
<<locked>>
90%
57377
90%
**35
100%
Norma URP
<<locked>>
84%
57188
90%
**36
100%
Ramshot Hunter
<<locked>>
84%
57072
89%
**56
100%
Ramshot Magnum
<<locked>>
92%
57188
90%
**86
100%
ReloadSwiss RS 14
<<locked>>
96%
36564
57%
**73
100%
ReloadSwiss RS 70
<<locked>>
84%
57043
89%
**99
100%
ReloadSwiss RS 76 👍
<<locked>>
97%
57246
90%
**07
100%
ReloadSwiss RS 80
<<locked>>
97%
51880
81%
**86
98%
Rottweil R 904
<<locked>>
88%
56898
89%
**33
99%
Rottweil R 905
<<locked>>
89%
56956
89%
**72
100%
SNPE Vectan Tubal 7000
<<locked>>
84%
57348
90%
**61
100%
Somchem S361
<<locked>>
87%
56768
89%
**04
99%
Somchem S365
<<locked>>
86%
57392
90%
**30
100%
Somchem S385
<<locked>>
89%
57058
89%
**30
100%
Vihtavuori N150
<<locked>>
84%
57203
90%
**38
100%
Vihtavuori N165
<<locked>>
94%
57203
90%
**27
100%
[Vihtavuori N170]*
<<locked>>
97%
46789
73%
**69
92%
Vihtavuori N555
<<locked>>
89%
57087
89%
**56
100%
Vihtavuori N560 👍
<<locked>>
91%
57348
90%
**45
99%
Vihtavuori N565
<<locked>>
95%
57072
89%
**18
99%
Vihtavuori N568
<<locked>>
97%
53171
83%
**95
98%
Vihtavuori N570
<<locked>>
97%
50662
79%
**72
95%
Winchester 6.5 StaBALL
<<locked>>
84%
57363
90%
**67
100%
Winchester StaBALL HD
<<locked>>
93%
56884
89%
**48
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
44280
69%
**46
98%
ADI AR 2213
<<locked>>
81%
39494
62%
**84
95%
[ADI AR 2217]*
<<locked>>
82%
30226
47%
**28
90%
[ADI AR 2225]*
<<locked>>
81%
26818
42%
**56
92%
Accurate 3100
<<locked>>
81%
40176
63%
**25
99%
[Accurate MAGPRO]*
<<locked>>
81%
39073
61%
**74
93%
Alliant Reloder-16
<<locked>>
81%
50836
80%
**81
100%
Alliant Reloder-19
<<locked>>
81%
44295
69%
**46
98%
Alliant Reloder-22
<<locked>>
81%
40030
63%
**87
97%
Alliant Reloder-23
<<locked>>
81%
38711
61%
**38
100%
Alliant Reloder-25
<<locked>>
81%
33475
52%
**56
98%
Alliant Reloder-26
<<locked>>
81%
43279
68%
**95
100%
[Alliant Reloder-33]*
<<locked>>
91%
38392
60%
**03
90%
[Hodgdon H1000]*
<<locked>>
82%
30226
47%
**28
90%
Hodgdon H4350
<<locked>>
81%
47645
75%
**59
99%
[Hodgdon H4831]*
<<locked>>
81%
37202
58%
**79
94%
Hodgdon H4831 SC
<<locked>>
81%
41408
65%
**74
95%
Hodgdon Hybrid 100V
<<locked>>
81%
47964
75%
**49
100%
[Hodgdon Retumbo]*
<<locked>>
81%
26818
42%
**56
92%
Hodgdon TrailBoss
<<locked>>
81%
28601
45%
**77
100%
IMR 4350
<<locked>>
81%
50111
79%
**05
100%
IMR 4831
<<locked>>
81%
45687
72%
**30
100%
IMR 4955 Enduron
<<locked>>
81%
41321
65%
**38
95%
IMR 7828 SSC
<<locked>>
81%
40886
64%
**20
96%
[IMR 7977 Enduron]*
<<locked>>
90%
47166
74%
**07
90%
[IMR 8133 Enduron]*
<<locked>>
87%
29588
46%
**51
90%
Lovex S070
<<locked>>
81%
52243
82%
**38
100%
Lovex S071
<<locked>>
81%
34418
54%
**87
97%
Norma 204
<<locked>>
81%
50734
79%
**51
99%
[Norma 217]*
<<locked>>
83%
25962
41%
**56
90%
Norma MRP
<<locked>>
81%
42380
66%
**66
99%
Norma URP
<<locked>>
81%
51967
81%
**58
100%
Ramshot Hunter
<<locked>>
81%
50763
80%
**61
100%
Ramshot Magnum
<<locked>>
81%
37405
59%
**31
97%
ReloadSwiss RS 14
<<locked>>
81%
29298
46%
**16
100%
ReloadSwiss RS 70
<<locked>>
81%
51677
81%
**23
100%
ReloadSwiss RS 76
<<locked>>
81%
31821
50%
**49
95%
[ReloadSwiss RS 80]*
<<locked>>
84%
32460
51%
**49
90%
Rottweil R 904
<<locked>>
81%
45339
71%
**23
97%
Rottweil R 905
<<locked>>
81%
43685
68%
**33
98%
SNPE Vectan Tubal 7000
<<locked>>
81%
52736
83%
**92
100%
Somchem S361
<<locked>>
81%
46267
73%
**20
97%
Somchem S365
<<locked>>
81%
49037
77%
**02
100%
Somchem S385
<<locked>>
81%
44150
69%
**13
99%
Vihtavuori N150
<<locked>>
81%
51387
81%
**49
100%
Vihtavuori N165
<<locked>>
81%
37492
59%
**56
97%
[Vihtavuori N170]*
<<locked>>
93%
42032
66%
**67
90%
Vihtavuori N555
<<locked>>
81%
43308
68%
**20
100%
Vihtavuori N560
<<locked>>
81%
40205
63%
**07
95%
[Vihtavuori N565]*
<<locked>>
81%
34896
55%
**62
93%
[Vihtavuori N568]*
<<locked>>
84%
33605
53%
**66
90%
[Vihtavuori N570]*
<<locked>>
90%
39726
62%
**43
90%
Winchester 6.5 StaBALL
<<locked>>
81%
52808
83%
**08
100%
Winchester StaBALL HD
<<locked>>
81%
35665
56%
**74
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.

bottom of page