top of page

Load data for .300 Norma Mag + .308 | 150gr | RWS TMR

Recommended Powder(s): Alliant Reloder-22, Alliant Reloder-26, Norma MRP, Somchem S385, Winchester StaBALL HD

.300 Norma Mag + .308 | 150gr | RWS TMR

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 150gr | RWS TMR
Manufacturer SKU:
2422718
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
0.965" | 24.5mm
Caliber:
.300 Norma Mag load data
Case Length (l3):
2.490" | 63.2mm
Cartridge Length (C.O.L.):
3.625" | 92.1mm
Seated Depth:
-0.170" | -4.3mm
Shank Seated Depth:
-0.170" | -4.3mm
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_B10725_C365
Last updated:
2025-01-01

Load data for 126 loads in caliber .300 Norma Mag with .308 | 150gr | RWS TMR bullet and 63 powders such as Alliant Reloder-22, Alliant Reloder-26, Norma MRP, Somchem S385, 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".

  • 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>>
92%
57145
90%
**55
99%
ADI AR 2213
<<locked>>
95%
57261
90%
**97
98%
ADI AR 2217
<<locked>>
97%
44701
70%
**22
95%
ADI AR 2225
<<locked>>
97%
40045
63%
**72
97%
Accurate 3100
<<locked>>
95%
56927
89%
**82
100%
Accurate 4350
<<locked>>
86%
57087
89%
**19
100%
Accurate MAGPRO
<<locked>>
95%
57406
90%
**01
96%
Alliant Reloder-16
<<locked>>
88%
57116
89%
**61
100%
Alliant Reloder-17
<<locked>>
83%
57101
89%
**61
100%
Alliant Reloder-19
<<locked>>
92%
56971
89%
**41
99%
Alliant Reloder-22 👍
<<locked>>
95%
57290
90%
**84
99%
Alliant Reloder-23
<<locked>>
96%
57406
90%
**51
100%
Alliant Reloder-25
<<locked>>
97%
50430
79%
**99
100%
Alliant Reloder-26 👍
<<locked>>
92%
56753
89%
**20
100%
Hodgdon H1000
<<locked>>
97%
44701
70%
**22
95%
Hodgdon H4350
<<locked>>
90%
56956
89%
**96
99%
Hodgdon H4831
<<locked>>
97%
56173
88%
**12
97%
Hodgdon H4831 SC
<<locked>>
94%
57421
90%
**35
97%
Hodgdon Hybrid 100V
<<locked>>
90%
57392
90%
**86
100%
Hodgdon LVR
<<locked>>
85%
57101
89%
**25
100%
Hodgdon Retumbo
<<locked>>
97%
40045
63%
**72
97%
Hodgdon Superperformance
<<locked>>
85%
57232
90%
**78
99%
Hodgdon TrailBoss
<<locked>>
97%
35578
56%
**34
100%
IMR 4166 Enduron
<<locked>>
83%
57174
90%
**63
100%
IMR 4350
<<locked>>
88%
57043
89%
**96
99%
IMR 4451 Enduron
<<locked>>
84%
57000
89%
**86
99%
IMR 4831
<<locked>>
91%
56840
89%
**05
100%
IMR 4955 Enduron
<<locked>>
94%
57203
90%
**96
97%
IMR 7828 SSC
<<locked>>
94%
56942
89%
**04
98%
Lovex S065
<<locked>>
86%
57145
90%
**69
100%
Lovex S070
<<locked>>
87%
57029
89%
**92
100%
Lovex S071
<<locked>>
97%
51126
80%
**97
99%
Norma 204
<<locked>>
87%
57000
89%
**28
98%
[Norma 217]*
<<locked>>
97%
35607
56%
**71
94%
Norma MRP 👍
<<locked>>
93%
56797
89%
**97
99%
Norma URP
<<locked>>
87%
56971
89%
**22
100%
Ramshot Hunter
<<locked>>
88%
57101
89%
**45
100%
Ramshot Magnum
<<locked>>
95%
57435
90%
**64
99%
ReloadSwiss RS 14
<<locked>>
97%
36172
57%
**77
100%
ReloadSwiss RS 60
<<locked>>
84%
57159
90%
**84
100%
ReloadSwiss RS 62
<<locked>>
86%
56797
89%
**32
100%
ReloadSwiss RS 70
<<locked>>
87%
56797
89%
**91
100%
ReloadSwiss RS 76
<<locked>>
97%
49574
78%
**28
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
45136
71%
**97
93%
Rottweil R 904
<<locked>>
91%
57101
89%
**02
98%
Rottweil R 905
<<locked>>
92%
57392
90%
**45
99%
Rottweil R 907
<<locked>>
85%
57319
90%
**86
99%
SNPE Vectan Tubal 7000
<<locked>>
86%
56985
89%
**23
100%
Shooters World Long Rifle
<<locked>>
86%
57145
90%
**69
100%
Somchem S361
<<locked>>
90%
57072
89%
**63
97%
Somchem S365
<<locked>>
89%
57217
90%
**19
100%
Somchem S385 👍
<<locked>>
92%
57421
90%
**15
99%
Vihtavuori N135
<<locked>>
84%
57305
90%
**81
100%
Vihtavuori N150
<<locked>>
87%
56942
89%
**20
100%
Vihtavuori N160
<<locked>>
85%
57377
90%
**86
100%
Vihtavuori N165
<<locked>>
97%
56420
88%
**79
99%
Vihtavuori N550
<<locked>>
84%
56840
89%
**22
100%
Vihtavuori N555
<<locked>>
93%
57072
89%
**35
100%
Vihtavuori N560
<<locked>>
95%
57377
90%
**17
97%
Vihtavuori N565
<<locked>>
97%
52895
83%
**09
97%
[Vihtavuori N568]*
<<locked>>
97%
46282
73%
**04
93%
Winchester 6.5 StaBALL
<<locked>>
86%
57159
90%
**53
100%
Winchester StaBALL HD 👍
<<locked>>
97%
56173
88%
**43
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2209]*
<<locked>>
81%
39668
62%
**00
94%
[ADI AR 2213]*
<<locked>>
81%
35723
56%
**08
90%
[ADI AR 2217]*
<<locked>>
90%
35853
56%
**92
90%
[ADI AR 2225]*
<<locked>>
88%
30284
47%
**67
90%
Accurate 3100
<<locked>>
81%
35389
55%
**49
96%
Accurate 4350
<<locked>>
81%
47500
74%
**48
100%
[Accurate MAGPRO]*
<<locked>>
85%
40408
63%
**36
90%
Alliant Reloder-16
<<locked>>
81%
45440
71%
**51
100%
Alliant Reloder-17
<<locked>>
81%
52939
83%
**92
100%
[Alliant Reloder-19]*
<<locked>>
81%
39581
62%
**90
94%
[Alliant Reloder-22]*
<<locked>>
81%
35447
56%
**18
92%
Alliant Reloder-23
<<locked>>
81%
34011
53%
**82
99%
[Alliant Reloder-25]*
<<locked>>
81%
29675
46%
**64
93%
Alliant Reloder-26
<<locked>>
81%
37376
59%
**20
98%
[Hodgdon H1000]*
<<locked>>
90%
35853
56%
**92
90%
Hodgdon H4350
<<locked>>
81%
43236
68%
**30
97%
[Hodgdon H4831]*
<<locked>>
84%
36622
57%
**85
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
37144
58%
**02
90%
Hodgdon Hybrid 100V
<<locked>>
81%
43047
67%
**36
100%
Hodgdon LVR
<<locked>>
81%
49821
78%
**04
100%
[Hodgdon Retumbo]*
<<locked>>
88%
30284
47%
**67
90%
Hodgdon Superperformance
<<locked>>
81%
49298
77%
**27
98%
Hodgdon TrailBoss
<<locked>>
81%
28239
44%
**60
100%
IMR 4166 Enduron
<<locked>>
81%
53345
84%
**97
99%
IMR 4350
<<locked>>
81%
45629
72%
**76
97%
IMR 4451 Enduron
<<locked>>
81%
51590
81%
**81
99%
IMR 4831
<<locked>>
81%
41133
64%
**94
99%
[IMR 4955 Enduron]*
<<locked>>
81%
37202
58%
**66
91%
[IMR 7828 SSC]*
<<locked>>
81%
36230
57%
**35
91%
Lovex S065
<<locked>>
81%
49066
77%
**35
99%
Lovex S070
<<locked>>
81%
47384
74%
**15
98%
[Lovex S071]*
<<locked>>
81%
30284
47%
**05
93%
Norma 204
<<locked>>
81%
45629
71%
**09
96%
[Norma 217]*
<<locked>>
92%
30269
47%
**03
90%
Norma MRP
<<locked>>
81%
37130
58%
**84
95%
Norma URP
<<locked>>
81%
46702
73%
**41
100%
Ramshot Hunter
<<locked>>
81%
45527
71%
**28
98%
[Ramshot Magnum]*
<<locked>>
81%
32692
51%
**20
92%
ReloadSwiss RS 14
<<locked>>
81%
28819
45%
**06
100%
ReloadSwiss RS 60
<<locked>>
81%
51053
80%
**79
100%
ReloadSwiss RS 62
<<locked>>
81%
47500
74%
**71
100%
ReloadSwiss RS 70
<<locked>>
81%
45861
72%
**87
99%
[ReloadSwiss RS 76]*
<<locked>>
84%
30835
48%
**20
90%
[ReloadSwiss RS 80]*
<<locked>>
93%
38696
61%
**33
90%
[Rottweil R 904]*
<<locked>>
81%
40930
64%
**74
93%
[Rottweil R 905]*
<<locked>>
81%
39059
61%
**71
94%
Rottweil R 907
<<locked>>
81%
50314
79%
**61
98%
SNPE Vectan Tubal 7000
<<locked>>
81%
48341
76%
**76
98%
Shooters World Long Rifle
<<locked>>
81%
49066
77%
**35
99%
[Somchem S361]*
<<locked>>
81%
41887
66%
**58
93%
Somchem S365
<<locked>>
81%
43671
68%
**92
100%
Somchem S385
<<locked>>
81%
39624
62%
**54
95%
Vihtavuori N135
<<locked>>
81%
52692
83%
**12
100%
Vihtavuori N150
<<locked>>
81%
46702
73%
**46
100%
Vihtavuori N160
<<locked>>
81%
50111
79%
**68
100%
[Vihtavuori N165]*
<<locked>>
81%
33286
52%
**84
92%
Vihtavuori N550
<<locked>>
81%
50894
80%
**10
100%
Vihtavuori N555
<<locked>>
81%
38087
60%
**67
99%
[Vihtavuori N560]*
<<locked>>
82%
36260
57%
**48
90%
[Vihtavuori N565]*
<<locked>>
86%
35592
56%
**12
90%
[Vihtavuori N568]*
<<locked>>
93%
39900
63%
**59
90%
Winchester 6.5 StaBALL
<<locked>>
81%
47514
74%
**86
100%
Winchester StaBALL HD
<<locked>>
81%
29602
46%
**72
98%

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