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Load data for .300 Norma Mag + .308 | 150gr | Sierra HPBT MatchKing

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

.300 Norma Mag + .308 | 150gr | Sierra HPBT MatchKing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 150gr | Sierra HPBT MatchKing
Manufacturer SKU:
2190
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.110" | 28.2mm
Caliber:
.300 Norma Mag load data
Case Length (l3):
2.490" | 63.2mm
Cartridge Length (C.O.L.):
3.329" | 84.5mm
Seated Depth:
0.271" | 6.9mm
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_B5870_C365
Last updated:
2025-01-01
Recommended Twist Rate:
1:15 - 1:12

Load data for 142 loads in caliber .300 Norma Mag with .308 | 150gr | Sierra HPBT MatchKing bullet and 71 powders such as Alliant Reloder-26, IMR 4831, Ramshot Hunter, 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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    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 2208
<<locked>>
83%
56884
89%
**63
100%
ADI AR 2209
<<locked>>
94%
56942
89%
**48
98%
ADI AR 2213
<<locked>>
97%
56855
89%
**84
97%
[ADI AR 2217]*
<<locked>>
97%
41234
65%
**30
93%
ADI AR 2225
<<locked>>
97%
36840
58%
**84
95%
Accurate 2700
<<locked>>
85%
57377
90%
**20
99%
Accurate 3100
<<locked>>
97%
56260
88%
**73
100%
Accurate 4350
<<locked>>
88%
57232
90%
**19
100%
Accurate MAGPRO
<<locked>>
97%
55593
87%
**51
95%
Alliant Reloder- TS 15.5
<<locked>>
83%
57334
90%
**69
100%
Alliant Reloder-16
<<locked>>
90%
56884
89%
**68
100%
Alliant Reloder-17
<<locked>>
85%
57421
90%
**64
100%
Alliant Reloder-19
<<locked>>
94%
56811
89%
**45
98%
Alliant Reloder-22
<<locked>>
97%
56333
88%
**71
98%
Alliant Reloder-23
<<locked>>
97%
53200
83%
**92
100%
Alliant Reloder-25
<<locked>>
97%
46267
72%
**10
99%
Alliant Reloder-26 👍
<<locked>>
94%
56927
89%
**20
100%
[Hodgdon H1000]*
<<locked>>
97%
41234
65%
**30
93%
Hodgdon H414
<<locked>>
85%
57290
90%
**48
99%
Hodgdon H4350
<<locked>>
92%
57406
90%
**92
99%
Hodgdon H4831
<<locked>>
97%
52156
82%
**33
96%
Hodgdon H4831 SC
<<locked>>
96%
56898
89%
**15
97%
Hodgdon Hybrid 100V
<<locked>>
92%
57014
89%
**79
100%
Hodgdon LVR
<<locked>>
87%
56971
89%
**15
100%
Hodgdon Retumbo
<<locked>>
97%
36840
58%
**84
95%
Hodgdon Superperformance
<<locked>>
87%
56913
89%
**68
99%
Hodgdon VARGET
<<locked>>
84%
56884
89%
**63
100%
Hodgdon TrailBoss
<<locked>>
96%
34911
55%
**01
100%
IMR 4064
<<locked>>
84%
57043
89%
**50
100%
IMR 4166 Enduron
<<locked>>
85%
57305
90%
**59
99%
IMR 4350
<<locked>>
90%
57072
89%
**79
99%
IMR 4451 Enduron
<<locked>>
86%
57290
90%
**82
99%
IMR 4831 👍
<<locked>>
94%
56956
89%
**99
100%
IMR 4955 Enduron
<<locked>>
97%
57014
89%
**86
97%
IMR 7828 SSC
<<locked>>
96%
56884
89%
**84
97%
Lovex S065
<<locked>>
88%
57217
90%
**73
100%
Lovex S070
<<locked>>
89%
56855
89%
**76
99%
Lovex S071
<<locked>>
97%
46963
74%
**05
99%
Norma 204
<<locked>>
89%
57029
89%
**15
98%
Norma MRP
<<locked>>
96%
57319
90%
**10
99%
Norma URP
<<locked>>
89%
57305
90%
**19
100%
Ramshot Hunter 👍
<<locked>>
90%
57290
90%
**38
100%
Ramshot Magnum
<<locked>>
97%
55042
86%
**22
99%
ReloadSwiss RS 14
<<locked>>
97%
35984
56%
**54
100%
ReloadSwiss RS 60
<<locked>>
86%
57159
90%
**84
100%
ReloadSwiss RS 62
<<locked>>
88%
57087
89%
**38
100%
ReloadSwiss RS 70
<<locked>>
89%
56898
89%
**87
100%
ReloadSwiss RS 76
<<locked>>
97%
45194
71%
**36
98%
Rottweil R 903
<<locked>>
84%
57101
89%
**63
100%
Rottweil R 904
<<locked>>
93%
57188
90%
**02
97%
Rottweil R 905
<<locked>>
95%
57101
89%
**45
99%
Rottweil R 907
<<locked>>
87%
56956
89%
**66
99%
SNPE Vectan SP 11
<<locked>>
84%
57334
90%
**05
100%
SNPE Vectan Tubal 5000
<<locked>>
84%
57348
90%
**35
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
57421
90%
**30
99%
Shooters World Long Rifle
<<locked>>
88%
57217
90%
**73
100%
Somchem S355
<<locked>>
84%
57058
89%
**59
100%
Somchem S361
<<locked>>
92%
57276
90%
**56
97%
Somchem S365
<<locked>>
91%
56826
89%
**15
100%
Somchem S385
<<locked>>
94%
57145
90%
**05
99%
Vihtavuori N135
<<locked>>
86%
57116
89%
**74
100%
Vihtavuori N150
<<locked>>
89%
57217
90%
**20
100%
Vihtavuori N160
<<locked>>
87%
57406
90%
**89
100%
Vihtavuori N165
<<locked>>
97%
52272
82%
**00
98%
Vihtavuori N550
<<locked>>
87%
56913
89%
**22
100%
Vihtavuori N555 👍
<<locked>>
96%
57217
90%
**48
100%
Vihtavuori N560
<<locked>>
97%
56333
88%
**94
97%
Vihtavuori N565
<<locked>>
97%
48153
75%
**00
95%
Winchester 6.5 StaBALL
<<locked>>
88%
57290
90%
**53
100%
Winchester 760
<<locked>>
85%
57290
90%
**48
99%
Winchester StaBALL HD 👍
<<locked>>
97%
49937
78%
**55
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
52765
83%
**91
100%
[ADI AR 2209]*
<<locked>>
81%
36956
58%
**15
92%
[ADI AR 2213]*
<<locked>>
84%
36463
57%
**25
90%
[ADI AR 2217]*
<<locked>>
93%
36825
58%
**18
90%
[ADI AR 2225]*
<<locked>>
92%
31154
49%
**00
91%
Accurate 2700
<<locked>>
81%
51039
80%
**15
98%
[Accurate 3100]*
<<locked>>
81%
32706
51%
**77
94%
Accurate 4350
<<locked>>
81%
44193
69%
**82
99%
[Accurate MAGPRO]*
<<locked>>
88%
40843
64%
**56
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
53664
84%
**17
100%
Alliant Reloder-16
<<locked>>
81%
42221
66%
**79
99%
Alliant Reloder-17
<<locked>>
81%
48805
76%
**17
100%
[Alliant Reloder-19]*
<<locked>>
81%
36941
58%
**22
93%
[Alliant Reloder-22]*
<<locked>>
81%
32750
51%
**33
90%
Alliant Reloder-23
<<locked>>
81%
31357
49%
**13
98%
[Alliant Reloder-25]*
<<locked>>
81%
27398
43%
**79
91%
Alliant Reloder-26
<<locked>>
81%
34098
53%
**44
96%
[Hodgdon H1000]*
<<locked>>
93%
36825
58%
**18
90%
Hodgdon H414
<<locked>>
81%
50140
79%
**07
98%
Hodgdon H4350
<<locked>>
81%
40553
64%
**61
95%
[Hodgdon H4831]*
<<locked>>
87%
37623
59%
**15
90%
[Hodgdon H4831 SC]*
<<locked>>
83%
37405
59%
**02
90%
Hodgdon Hybrid 100V
<<locked>>
81%
39856
62%
**64
100%
Hodgdon LVR
<<locked>>
81%
46688
73%
**31
99%
[Hodgdon Retumbo]*
<<locked>>
92%
31154
49%
**00
91%
Hodgdon Superperformance
<<locked>>
81%
45368
71%
**38
97%
Hodgdon VARGET
<<locked>>
81%
52243
82%
**81
100%
Hodgdon TrailBoss
<<locked>>
81%
28065
44%
**37
100%
IMR 4064
<<locked>>
81%
51677
81%
**64
100%
IMR 4166 Enduron
<<locked>>
81%
50343
79%
**28
98%
IMR 4350
<<locked>>
81%
42656
67%
**04
96%
IMR 4451 Enduron
<<locked>>
81%
48834
77%
**22
98%
IMR 4831
<<locked>>
81%
38043
60%
**25
98%
[IMR 4955 Enduron]*
<<locked>>
82%
36666
57%
**49
90%
[IMR 7828 SSC]*
<<locked>>
83%
36376
57%
**35
90%
Lovex S065
<<locked>>
81%
46180
72%
**59
99%
Lovex S070
<<locked>>
81%
44440
70%
**43
97%
[Lovex S071]*
<<locked>>
81%
28065
44%
**39
91%
Norma 204
<<locked>>
81%
42424
66%
**30
95%
[Norma MRP]*
<<locked>>
81%
34171
54%
**12
93%
Norma URP
<<locked>>
81%
43265
68%
**63
99%
Ramshot Hunter
<<locked>>
81%
42235
66%
**49
97%
[Ramshot Magnum]*
<<locked>>
82%
31198
49%
**67
90%
ReloadSwiss RS 14
<<locked>>
81%
28572
45%
**80
100%
ReloadSwiss RS 60
<<locked>>
81%
47137
74%
**23
100%
ReloadSwiss RS 62
<<locked>>
81%
44019
69%
**99
99%
ReloadSwiss RS 70
<<locked>>
81%
42366
66%
**09
99%
[ReloadSwiss RS 76]*
<<locked>>
87%
31357
49%
**33
90%
Rottweil R 903
<<locked>>
81%
51256
80%
**64
100%
[Rottweil R 904]*
<<locked>>
81%
38363
60%
**05
92%
[Rottweil R 905]*
<<locked>>
81%
35998
56%
**95
92%
Rottweil R 907
<<locked>>
81%
47326
74%
**95
97%
SNPE Vectan SP 11
<<locked>>
81%
52692
83%
**27
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
51953
81%
**59
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
45368
71%
**04
98%
Shooters World Long Rifle
<<locked>>
81%
46180
72%
**59
99%
Somchem S355
<<locked>>
81%
51184
80%
**71
100%
[Somchem S361]*
<<locked>>
81%
39088
61%
**92
91%
Somchem S365
<<locked>>
81%
40045
63%
**17
100%
[Somchem S385]*
<<locked>>
81%
36796
58%
**92
94%
Vihtavuori N135
<<locked>>
81%
49792
78%
**59
100%
Vihtavuori N150
<<locked>>
81%
43830
69%
**90
100%
Vihtavuori N160
<<locked>>
81%
46920
74%
**05
99%
[Vihtavuori N165]*
<<locked>>
81%
30632
48%
**05
90%
Vihtavuori N550
<<locked>>
81%
47326
74%
**48
99%
Vihtavuori N555
<<locked>>
81%
35041
55%
**89
97%
[Vihtavuori N560]*
<<locked>>
85%
37492
59%
**74
90%
[Vihtavuori N565]*
<<locked>>
89%
36651
57%
**38
90%
Winchester 6.5 StaBALL
<<locked>>
81%
44048
69%
**30
100%
Winchester 760
<<locked>>
81%
50140
79%
**07
98%
Winchester StaBALL HD
<<locked>>
81%
25860
41%
**71
96%

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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