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Load data for .300 Norma Mag + .308 | 181gr | RWS H-Mantel

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

.300 Norma Mag + .308 | 181gr | RWS H-Mantel

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 181gr | RWS H-Mantel
Manufacturer SKU:
2146010
Bullet Weight:
181gr | 11.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.220" | 31.0mm
Caliber:
.300 Norma Mag load data
Case Length (l3):
2.490" | 63.2mm
Cartridge Length (C.O.L.):
3.588" | 91.1mm
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_B5435_C365
Last updated:
2025-01-01

Load data for 114 loads in caliber .300 Norma Mag with .308 | 181gr | RWS H-Mantel 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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  • 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 2209
<<locked>>
89%
57290
90%
**18
100%
ADI AR 2213
<<locked>>
92%
56826
89%
**38
99%
ADI AR 2217
<<locked>>
97%
49023
77%
**04
98%
ADI AR 2225
<<locked>>
97%
44222
69%
**61
99%
Accurate 3100
<<locked>>
92%
56927
89%
**46
100%
Accurate 4350
<<locked>>
83%
56623
89%
**56
100%
Accurate MAGPRO
<<locked>>
92%
56927
89%
**48
98%
Alliant Reloder-16
<<locked>>
85%
57072
89%
**95
100%
Alliant Reloder-19
<<locked>>
89%
56942
89%
**99
100%
Alliant Reloder-22 👍
<<locked>>
92%
57000
89%
**35
100%
Alliant Reloder-23
<<locked>>
93%
57406
90%
**92
100%
Alliant Reloder-25 👍
<<locked>>
97%
56043
88%
**45
100%
Alliant Reloder-26
<<locked>>
89%
57377
90%
**68
100%
[Alliant Reloder-33]*
<<locked>>
97%
45818
72%
**90
93%
Hodgdon H1000
<<locked>>
97%
49023
77%
**04
98%
Hodgdon H4350
<<locked>>
87%
56782
89%
**49
100%
Hodgdon H4831
<<locked>>
95%
56898
89%
**82
98%
Hodgdon H4831 SC
<<locked>>
91%
57334
90%
**95
99%
Hodgdon Hybrid 100V
<<locked>>
87%
56884
89%
**13
100%
Hodgdon Retumbo
<<locked>>
97%
44222
69%
**61
99%
Hodgdon TrailBoss
<<locked>>
97%
35839
56%
**50
100%
IMR 4350
<<locked>>
86%
57130
90%
**49
100%
IMR 4831
<<locked>>
89%
56913
89%
**46
100%
IMR 4955 Enduron
<<locked>>
92%
56985
89%
**53
99%
IMR 7828 SSC 👍
<<locked>>
91%
57377
90%
**61
99%
[IMR 7977 Enduron]*
<<locked>>
97%
56884
89%
**00
93%
IMR 8133 Enduron
<<locked>>
97%
40161
63%
**62
96%
Lovex S065
<<locked>>
83%
56927
89%
**23
100%
Lovex S070
<<locked>>
84%
57188
90%
**49
100%
Lovex S071
<<locked>>
97%
56594
89%
**33
100%
Norma 204
<<locked>>
85%
56956
89%
**86
100%
Norma 217
<<locked>>
97%
40422
63%
**85
98%
Norma MRP 👍
<<locked>>
90%
56913
89%
**51
100%
Norma URP
<<locked>>
84%
56913
89%
**69
100%
Ramshot Hunter
<<locked>>
85%
57188
90%
**95
100%
Ramshot Magnum 👍
<<locked>>
92%
57203
90%
**22
100%
ReloadSwiss RS 14
<<locked>>
96%
36506
57%
**90
100%
ReloadSwiss RS 62
<<locked>>
84%
57392
90%
**82
100%
ReloadSwiss RS 70
<<locked>>
84%
57363
90%
**41
100%
ReloadSwiss RS 76
<<locked>>
97%
55999
88%
**20
100%
ReloadSwiss RS 80
<<locked>>
97%
50676
79%
**82
97%
Rottweil R 904
<<locked>>
89%
57334
90%
**63
99%
Rottweil R 905
<<locked>>
90%
57232
90%
**02
100%
SNPE Vectan Tubal 7000
<<locked>>
84%
57261
90%
**94
100%
Shooters World Long Rifle
<<locked>>
83%
56927
89%
**23
100%
Somchem S361
<<locked>>
88%
57159
90%
**30
99%
Somchem S365
<<locked>>
86%
56898
89%
**49
100%
Somchem S385
<<locked>>
89%
57348
90%
**72
100%
Vihtavuori N150
<<locked>>
85%
57029
89%
**61
100%
Vihtavuori N165
<<locked>>
94%
56985
89%
**46
100%
Vihtavuori N555
<<locked>>
90%
56927
89%
**86
100%
Vihtavuori N560
<<locked>>
92%
57377
90%
**68
99%
Vihtavuori N565
<<locked>>
96%
56927
89%
**31
99%
Vihtavuori N568
<<locked>>
97%
52040
82%
**09
97%
[Vihtavuori N570]*
<<locked>>
97%
49559
78%
**79
94%
Winchester 6.5 StaBALL
<<locked>>
84%
57043
89%
**00
100%
Winchester StaBALL HD
<<locked>>
94%
56753
89%
**87
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
43540
68%
**62
97%
[ADI AR 2213]*
<<locked>>
81%
38812
61%
**84
94%
[ADI AR 2217]*
<<locked>>
83%
30632
48%
**61
90%
[ADI AR 2225]*
<<locked>>
81%
26339
41%
**62
91%
Accurate 3100
<<locked>>
81%
39450
62%
**28
99%
Accurate 4350
<<locked>>
81%
52460
82%
**87
100%
[Accurate MAGPRO]*
<<locked>>
81%
38305
60%
**84
92%
Alliant Reloder-16
<<locked>>
81%
49966
78%
**87
100%
Alliant Reloder-19
<<locked>>
81%
43584
68%
**53
97%
Alliant Reloder-22
<<locked>>
81%
39276
62%
**00
96%
Alliant Reloder-23
<<locked>>
81%
37956
59%
**54
100%
Alliant Reloder-25
<<locked>>
81%
32837
51%
**66
97%
Alliant Reloder-26
<<locked>>
81%
42337
66%
**08
100%
[Alliant Reloder-33]*
<<locked>>
92%
38885
61%
**33
90%
[Hodgdon H1000]*
<<locked>>
83%
30632
48%
**61
90%
Hodgdon H4350
<<locked>>
81%
46949
74%
**76
99%
[Hodgdon H4831]*
<<locked>>
81%
36579
57%
**82
93%
Hodgdon H4831 SC
<<locked>>
81%
40712
64%
**77
95%
Hodgdon Hybrid 100V
<<locked>>
81%
47181
74%
**69
100%
[Hodgdon Retumbo]*
<<locked>>
81%
26339
41%
**62
91%
Hodgdon TrailBoss
<<locked>>
81%
28543
45%
**93
100%
IMR 4350
<<locked>>
81%
49385
77%
**15
99%
IMR 4831
<<locked>>
81%
44947
70%
**46
100%
IMR 4955 Enduron
<<locked>>
81%
40712
64%
**44
95%
IMR 7828 SSC
<<locked>>
81%
40001
63%
**20
95%
[IMR 7977 Enduron]*
<<locked>>
92%
48472
76%
**56
90%
[IMR 8133 Enduron]*
<<locked>>
88%
29950
47%
**87
90%
Lovex S065
<<locked>>
81%
52982
83%
**61
100%
Lovex S070
<<locked>>
81%
51488
81%
**58
100%
Lovex S071
<<locked>>
81%
33765
53%
**00
97%
Norma 204
<<locked>>
81%
49937
78%
**67
99%
[Norma 217]*
<<locked>>
84%
26281
41%
**85
90%
Norma MRP
<<locked>>
81%
41539
65%
**66
98%
Norma URP
<<locked>>
81%
51140
80%
**67
100%
Ramshot Hunter
<<locked>>
81%
49937
78%
**67
100%
Ramshot Magnum
<<locked>>
81%
36651
57%
**31
96%
ReloadSwiss RS 14
<<locked>>
81%
29240
46%
**32
100%
ReloadSwiss RS 62
<<locked>>
81%
52547
82%
**13
100%
ReloadSwiss RS 70
<<locked>>
81%
50720
79%
**30
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
31198
49%
**52
94%
[ReloadSwiss RS 80]*
<<locked>>
86%
33460
52%
**98
90%
Rottweil R 904
<<locked>>
81%
44643
70%
**40
97%
Rottweil R 905
<<locked>>
81%
42931
67%
**36
97%
SNPE Vectan Tubal 7000
<<locked>>
81%
51953
81%
**02
100%
Shooters World Long Rifle
<<locked>>
81%
52982
83%
**61
100%
Somchem S361
<<locked>>
81%
45571
71%
**26
96%
Somchem S365
<<locked>>
81%
48153
75%
**22
100%
Somchem S385
<<locked>>
81%
43410
68%
**20
98%
Vihtavuori N150
<<locked>>
81%
50662
79%
**72
100%
Vihtavuori N165
<<locked>>
81%
36840
58%
**69
96%
Vihtavuori N555
<<locked>>
81%
42351
66%
**36
100%
[Vihtavuori N560]*
<<locked>>
81%
39450
62%
**17
94%
[Vihtavuori N565]*
<<locked>>
81%
33953
53%
**56
92%
[Vihtavuori N568]*
<<locked>>
85%
34461
54%
**15
90%
[Vihtavuori N570]*
<<locked>>
91%
40103
63%
**79
90%
Winchester 6.5 StaBALL
<<locked>>
81%
51982
81%
**18
100%
Winchester StaBALL HD
<<locked>>
81%
34606
54%
**84
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.

<<locked>>... you need to buy an access license to unlock the data

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