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Load data for .300 Rem. Ultra Mag + .308 | 150gr | Sierra SPT Pro-Hunter

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Alliant Reloder-22, Norma MRP, Ramshot Magnum

.300 Rem. Ultra Mag + .308 | 150gr | Sierra SPT Pro-Hunter

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 150gr | Sierra SPT Pro-Hunter
Manufacturer SKU:
2130
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.065" | 27.1mm
Caliber:
.300 Rem. Ultra Mag load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
3.544" | 90.0mm
Seated Depth:
0.371" | 9.4mm
Shank Seated Depth:
0.371" | 9.4mm
Case Capacity:
112.5 Grains of Water | 7.30 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
64977 psi | 4480 bar
LID:
LID_B5872_C374
Last updated:
2025-01-01

Load data for 126 loads in caliber .300 Rem. Ultra Mag with .308 | 150gr | Sierra SPT Pro-Hunter bullet and 63 powders such as ADI AR 2209, Alliant Reloder-19, Alliant Reloder-22, 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>>
90%
58044
89%
**17
99%
ADI AR 2213
<<locked>>
93%
57928
89%
**40
99%
ADI AR 2217
<<locked>>
97%
47892
74%
**56
97%
ADI AR 2225
<<locked>>
97%
43105
66%
**00
99%
Accurate 3100
<<locked>>
93%
57986
89%
**35
100%
Accurate 4350
<<locked>>
85%
58088
89%
**74
100%
Accurate MAGPRO
<<locked>>
93%
58160
90%
**43
97%
Alliant Reloder-16
<<locked>>
86%
58088
89%
**20
100%
Alliant Reloder-19 👍
<<locked>>
91%
57943
89%
**10
99%
Alliant Reloder-22 👍
<<locked>>
93%
58088
89%
**40
100%
Alliant Reloder-23
<<locked>>
95%
58030
89%
**91
100%
Alliant Reloder-25
<<locked>>
97%
54781
84%
**00
100%
Alliant Reloder-26
<<locked>>
90%
58363
90%
**73
100%
[Alliant Reloder-33]*
<<locked>>
97%
45034
69%
**27
92%
Hodgdon H1000
<<locked>>
97%
47892
74%
**56
97%
Hodgdon H4350
<<locked>>
89%
58320
90%
**64
100%
Hodgdon H4831
<<locked>>
96%
58421
90%
**84
98%
Hodgdon H4831 SC
<<locked>>
92%
58421
90%
**84
98%
Hodgdon Hybrid 100V
<<locked>>
88%
57841
89%
**31
100%
Hodgdon LVR
<<locked>>
84%
58233
90%
**94
100%
Hodgdon Retumbo
<<locked>>
97%
43105
66%
**00
99%
Hodgdon Superperformance
<<locked>>
84%
58204
90%
**27
100%
Hodgdon TrailBoss
<<locked>>
97%
35650
55%
**88
100%
IMR 4350
<<locked>>
87%
58392
90%
**68
100%
IMR 4451 Enduron
<<locked>>
83%
57870
89%
**54
100%
IMR 4831
<<locked>>
90%
58044
89%
**64
100%
IMR 4955 Enduron
<<locked>>
93%
58450
90%
**61
98%
IMR 7828 SSC
<<locked>>
92%
58363
90%
**56
99%
[IMR 7977 Enduron]*
<<locked>>
97%
55869
86%
**56
92%
[IMR 8133 Enduron]*
<<locked>>
97%
38885
60%
**05
94%
Lovex S065
<<locked>>
85%
58073
89%
**45
100%
Lovex S070
<<locked>>
86%
58175
90%
**58
100%
Lovex S071
<<locked>>
97%
54679
84%
**99
100%
Norma 204
<<locked>>
86%
58131
89%
**94
99%
Norma 217
<<locked>>
97%
39247
60%
**31
97%
Norma MRP 👍
<<locked>>
91%
58436
90%
**63
100%
Norma URP
<<locked>>
86%
57812
89%
**77
100%
Ramshot Hunter
<<locked>>
86%
58407
90%
**07
100%
Ramshot Magnum 👍
<<locked>>
94%
58465
90%
**10
100%
ReloadSwiss RS 14
<<locked>>
97%
36274
56%
**31
100%
ReloadSwiss RS 62
<<locked>>
85%
58421
90%
**97
100%
ReloadSwiss RS 70
<<locked>>
85%
58001
89%
**33
100%
ReloadSwiss RS 76
<<locked>>
97%
54592
84%
**53
100%
ReloadSwiss RS 80
<<locked>>
97%
49734
77%
**35
97%
Rottweil R 904
<<locked>>
90%
58102
89%
**71
99%
Rottweil R 905
<<locked>>
91%
58334
90%
**07
99%
Rottweil R 907
<<locked>>
84%
58436
90%
**58
100%
SNPE Vectan Tubal 7000
<<locked>>
85%
58247
90%
**05
100%
Shooters World Long Rifle
<<locked>>
85%
58073
89%
**45
100%
Somchem S361
<<locked>>
89%
57841
89%
**25
98%
Somchem S365
<<locked>>
87%
58044
89%
**74
100%
Somchem S385
<<locked>>
91%
58407
90%
**71
100%
Vihtavuori N150
<<locked>>
86%
58233
90%
**89
100%
Vihtavuori N160
<<locked>>
84%
58218
90%
**51
100%
Vihtavuori N165
<<locked>>
96%
58262
90%
**51
100%
Vihtavuori N550
<<locked>>
83%
57914
89%
**84
100%
Vihtavuori N555
<<locked>>
91%
57943
89%
**87
100%
Vihtavuori N560
<<locked>>
93%
58334
90%
**63
98%
Vihtavuori N565
<<locked>>
97%
57769
89%
**23
99%
Vihtavuori N568
<<locked>>
97%
50705
78%
**35
96%
[Vihtavuori N570]*
<<locked>>
97%
48356
74%
**25
93%
Winchester 6.5 StaBALL
<<locked>>
85%
58320
90%
**02
100%
Winchester StaBALL HD
<<locked>>
95%
57348
88%
**76
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
41989
65%
**28
96%
[ADI AR 2213]*
<<locked>>
81%
37565
58%
**40
93%
[ADI AR 2217]*
<<locked>>
86%
32851
51%
**98
90%
[ADI AR 2225]*
<<locked>>
83%
27557
42%
**74
90%
Accurate 3100
<<locked>>
81%
38014
59%
**90
98%
Accurate 4350
<<locked>>
81%
50734
78%
**63
100%
[Accurate MAGPRO]*
<<locked>>
81%
37014
57%
**30
90%
Alliant Reloder-16
<<locked>>
81%
48080
74%
**63
100%
Alliant Reloder-19
<<locked>>
81%
42163
65%
**18
96%
Alliant Reloder-22
<<locked>>
81%
37884
58%
**59
95%
Alliant Reloder-23
<<locked>>
81%
36289
56%
**17
100%
Alliant Reloder-25
<<locked>>
81%
31560
49%
**18
96%
Alliant Reloder-26
<<locked>>
81%
40727
63%
**71
99%
[Alliant Reloder-33]*
<<locked>>
94%
40828
63%
**44
90%
[Hodgdon H1000]*
<<locked>>
86%
32851
51%
**98
90%
Hodgdon H4350
<<locked>>
81%
45411
70%
**44
98%
[Hodgdon H4831]*
<<locked>>
81%
35201
54%
**38
91%
[Hodgdon H4831 SC]*
<<locked>>
81%
39407
61%
**36
93%
Hodgdon Hybrid 100V
<<locked>>
81%
45469
70%
**44
100%
Hodgdon LVR
<<locked>>
81%
52852
81%
**05
100%
[Hodgdon Retumbo]*
<<locked>>
83%
27557
42%
**74
90%
Hodgdon Superperformance
<<locked>>
81%
52750
81%
**35
99%
Hodgdon TrailBoss
<<locked>>
81%
28224
43%
**24
100%
IMR 4350
<<locked>>
81%
47979
74%
**90
99%
IMR 4451 Enduron
<<locked>>
81%
53925
83%
**92
100%
IMR 4831
<<locked>>
81%
43381
67%
**25
100%
[IMR 4955 Enduron]*
<<locked>>
81%
39392
61%
**10
93%
[IMR 7828 SSC]*
<<locked>>
81%
38566
59%
**79
93%
[IMR 7977 Enduron]*
<<locked>>
94%
51387
79%
**77
90%
[IMR 8133 Enduron]*
<<locked>>
91%
31821
49%
**18
90%
Lovex S065
<<locked>>
81%
51372
79%
**36
100%
Lovex S070
<<locked>>
81%
49792
77%
**27
99%
Lovex S071
<<locked>>
81%
32474
50%
**56
95%
Norma 204
<<locked>>
81%
48370
74%
**30
98%
[Norma 217]*
<<locked>>
87%
27963
43%
**16
90%
Norma MRP
<<locked>>
81%
39972
62%
**28
97%
Norma URP
<<locked>>
81%
49327
76%
**49
100%
Ramshot Hunter
<<locked>>
81%
48341
74%
**43
100%
Ramshot Magnum
<<locked>>
81%
35331
54%
**77
95%
ReloadSwiss RS 14
<<locked>>
81%
28819
44%
**64
100%
ReloadSwiss RS 62
<<locked>>
81%
50705
78%
**82
100%
ReloadSwiss RS 70
<<locked>>
81%
49153
76%
**95
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
30037
46%
**82
92%
[ReloadSwiss RS 80]*
<<locked>>
88%
35302
54%
**13
90%
Rottweil R 904
<<locked>>
81%
43192
66%
**02
95%
Rottweil R 905
<<locked>>
81%
41452
64%
**02
96%
Rottweil R 907
<<locked>>
81%
52765
81%
**69
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
50691
78%
**81
99%
Shooters World Long Rifle
<<locked>>
81%
51372
79%
**36
100%
Somchem S361
<<locked>>
81%
44425
68%
**82
95%
Somchem S365
<<locked>>
81%
46557
72%
**04
100%
Somchem S385
<<locked>>
81%
42047
65%
**82
97%
Vihtavuori N150
<<locked>>
81%
49255
76%
**61
100%
Vihtavuori N160
<<locked>>
81%
52968
82%
**69
100%
[Vihtavuori N165]*
<<locked>>
81%
35346
54%
**18
94%
Vihtavuori N550
<<locked>>
81%
53809
83%
**15
100%
Vihtavuori N555
<<locked>>
81%
40727
63%
**95
100%
[Vihtavuori N560]*
<<locked>>
81%
37971
58%
**66
92%
[Vihtavuori N565]*
<<locked>>
81%
32590
50%
**08
90%
[Vihtavuori N568]*
<<locked>>
88%
36158
56%
**30
90%
[Vihtavuori N570]*
<<locked>>
93%
42453
65%
**94
90%
Winchester 6.5 StaBALL
<<locked>>
81%
50357
78%
**90
100%
Winchester StaBALL HD
<<locked>>
81%
32634
50%
**36
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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