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Load data for .300 Rem. Ultra Mag + .308 | 150gr | Hornady SP

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Alliant Reloder-22, Norma MRP, Rottweil R 905

.300 Rem. Ultra Mag + .308 | 150gr | Hornady SP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 150gr | Hornady SP
Manufacturer SKU:
3031
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.047" | 26.6mm
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:
0.353" | 9.0mm
Shank Seated Depth:
0.353" | 9.0mm
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_B2671_C374
Last updated:
2025-02-02

Load data for 126 loads in caliber .300 Rem. Ultra Mag with .308 | 150gr | Hornady SP bullet and 63 powders such as ADI AR 2209, Alliant Reloder-19, Alliant Reloder-22, Norma MRP, Rottweil R 905. 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 2209 👍
<<locked>>
90%
57928
89%
**10
99%
ADI AR 2213
<<locked>>
93%
58059
89%
**43
99%
ADI AR 2217
<<locked>>
97%
48124
74%
**49
97%
ADI AR 2225
<<locked>>
97%
43308
67%
**10
99%
Accurate 3100
<<locked>>
93%
58436
90%
**51
100%
Accurate 4350
<<locked>>
85%
57972
89%
**71
100%
Accurate MAGPRO
<<locked>>
93%
58407
90%
**46
97%
Alliant Reloder-16
<<locked>>
87%
58436
90%
**27
100%
Alliant Reloder-19 👍
<<locked>>
90%
58059
89%
**10
99%
Alliant Reloder-22 👍
<<locked>>
93%
58363
90%
**46
100%
Alliant Reloder-23
<<locked>>
95%
58320
90%
**97
100%
Alliant Reloder-25
<<locked>>
97%
54911
85%
**97
100%
Alliant Reloder-26
<<locked>>
90%
58175
90%
**69
100%
[Alliant Reloder-33]*
<<locked>>
97%
45208
70%
**33
92%
Hodgdon H1000
<<locked>>
97%
48124
74%
**49
97%
Hodgdon H4350
<<locked>>
88%
58059
89%
**51
100%
Hodgdon H4831
<<locked>>
96%
57957
89%
**81
98%
Hodgdon H4831 SC
<<locked>>
92%
57957
89%
**81
98%
Hodgdon Hybrid 100V
<<locked>>
88%
58175
90%
**38
100%
Hodgdon LVR
<<locked>>
84%
58117
89%
**91
100%
Hodgdon Retumbo
<<locked>>
97%
43308
67%
**10
99%
Hodgdon Superperformance
<<locked>>
84%
58479
90%
**20
100%
Hodgdon TrailBoss
<<locked>>
96%
35273
54%
**82
100%
IMR 4350
<<locked>>
87%
58407
90%
**64
100%
IMR 4451 Enduron
<<locked>>
83%
58175
90%
**61
100%
IMR 4831
<<locked>>
90%
58363
90%
**61
100%
IMR 4955 Enduron
<<locked>>
93%
58436
90%
**58
98%
IMR 7828 SSC
<<locked>>
92%
57885
89%
**50
99%
[IMR 7977 Enduron]*
<<locked>>
97%
56086
86%
**63
92%
[IMR 8133 Enduron]*
<<locked>>
97%
39102
60%
**99
94%
Lovex S065
<<locked>>
85%
58378
90%
**41
100%
Lovex S070
<<locked>>
86%
58479
90%
**68
100%
Lovex S071
<<locked>>
97%
55303
85%
**05
100%
Norma 204
<<locked>>
86%
58421
90%
**04
99%
Norma 217
<<locked>>
97%
39610
61%
**38
97%
Norma MRP 👍
<<locked>>
91%
58117
89%
**59
100%
Norma URP
<<locked>>
86%
58131
89%
**87
100%
Ramshot Hunter
<<locked>>
86%
58001
89%
**91
100%
Ramshot Magnum
<<locked>>
93%
58044
89%
**04
100%
ReloadSwiss RS 14
<<locked>>
97%
36361
56%
**31
100%
ReloadSwiss RS 62
<<locked>>
85%
57986
89%
**91
100%
ReloadSwiss RS 70
<<locked>>
86%
58305
90%
**40
100%
ReloadSwiss RS 76
<<locked>>
97%
54824
84%
**56
100%
ReloadSwiss RS 80
<<locked>>
97%
49951
77%
**38
97%
Rottweil R 904
<<locked>>
90%
58392
90%
**77
99%
Rottweil R 905 👍
<<locked>>
91%
58189
90%
**14
100%
Rottweil R 907
<<locked>>
84%
58175
90%
**54
100%
SNPE Vectan Tubal 7000
<<locked>>
85%
58102
89%
**02
100%
Shooters World Long Rifle
<<locked>>
85%
58378
90%
**41
100%
Somchem S361
<<locked>>
89%
58073
89%
**28
98%
Somchem S365
<<locked>>
87%
58218
90%
**74
100%
Somchem S385
<<locked>>
90%
58088
89%
**71
100%
Vihtavuori N150
<<locked>>
86%
58392
90%
**89
100%
Vihtavuori N160
<<locked>>
84%
57943
89%
**38
100%
Vihtavuori N165
<<locked>>
95%
57928
89%
**38
100%
Vihtavuori N550
<<locked>>
83%
58378
90%
**87
100%
Vihtavuori N555
<<locked>>
91%
57957
89%
**84
100%
Vihtavuori N560
<<locked>>
93%
58175
90%
**56
98%
Vihtavuori N565
<<locked>>
97%
58015
89%
**30
99%
Vihtavuori N568
<<locked>>
97%
51068
79%
**51
96%
[Vihtavuori N570]*
<<locked>>
97%
48718
75%
**22
93%
Winchester 6.5 StaBALL
<<locked>>
85%
58465
90%
**05
100%
Winchester StaBALL HD
<<locked>>
95%
58059
89%
**86
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
42134
65%
**28
96%
[ADI AR 2213]*
<<locked>>
81%
37710
58%
**46
93%
[ADI AR 2217]*
<<locked>>
86%
32663
50%
**92
90%
[ADI AR 2225]*
<<locked>>
84%
27659
43%
**70
90%
Accurate 3100
<<locked>>
81%
38043
59%
**87
98%
Accurate 4350
<<locked>>
81%
50763
78%
**72
100%
[Accurate MAGPRO]*
<<locked>>
81%
37275
57%
**26
90%
Alliant Reloder-16
<<locked>>
81%
48399
74%
**72
100%
Alliant Reloder-19
<<locked>>
81%
42192
65%
**15
96%
Alliant Reloder-22
<<locked>>
81%
37942
58%
**49
95%
Alliant Reloder-23
<<locked>>
81%
36593
56%
**26
100%
Alliant Reloder-25
<<locked>>
81%
31676
49%
**18
96%
Alliant Reloder-26
<<locked>>
81%
41031
63%
**67
99%
[Alliant Reloder-33]*
<<locked>>
94%
40654
63%
**38
90%
[Hodgdon H1000]*
<<locked>>
86%
32663
50%
**92
90%
Hodgdon H4350
<<locked>>
81%
45701
70%
**44
98%
[Hodgdon H4831]*
<<locked>>
81%
35462
55%
**38
91%
[Hodgdon H4831 SC]*
<<locked>>
81%
39668
61%
**46
93%
Hodgdon Hybrid 100V
<<locked>>
81%
45788
70%
**44
100%
Hodgdon LVR
<<locked>>
81%
52895
81%
**05
100%
[Hodgdon Retumbo]*
<<locked>>
84%
27659
43%
**70
90%
Hodgdon Superperformance
<<locked>>
81%
53011
82%
**45
100%
Hodgdon TrailBoss
<<locked>>
81%
28340
44%
**27
100%
IMR 4350
<<locked>>
81%
47906
74%
**84
99%
IMR 4451 Enduron
<<locked>>
81%
54230
83%
**89
100%
IMR 4831
<<locked>>
81%
43700
67%
**25
100%
[IMR 4955 Enduron]*
<<locked>>
81%
39334
61%
**03
93%
[IMR 7828 SSC]*
<<locked>>
81%
38609
59%
**72
93%
[IMR 7977 Enduron]*
<<locked>>
94%
51605
79%
**84
90%
[IMR 8133 Enduron]*
<<locked>>
91%
31705
49%
**15
90%
Lovex S065
<<locked>>
81%
51692
80%
**36
100%
Lovex S070
<<locked>>
81%
50096
77%
**36
99%
Lovex S071
<<locked>>
81%
32416
50%
**59
96%
Norma 204
<<locked>>
81%
48660
75%
**40
98%
[Norma 217]*
<<locked>>
87%
27760
43%
**13
90%
Norma MRP
<<locked>>
81%
40147
62%
**35
97%
Norma URP
<<locked>>
81%
49530
76%
**46
100%
Ramshot Hunter
<<locked>>
81%
48646
75%
**40
100%
Ramshot Magnum
<<locked>>
81%
35563
55%
**77
95%
ReloadSwiss RS 14
<<locked>>
81%
28906
44%
**70
100%
ReloadSwiss RS 62
<<locked>>
81%
51010
79%
**79
100%
ReloadSwiss RS 70
<<locked>>
81%
49342
76%
**02
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
30240
47%
**82
92%
[ReloadSwiss RS 80]*
<<locked>>
88%
35056
54%
**03
90%
Rottweil R 904
<<locked>>
81%
43366
67%
**08
95%
Rottweil R 905
<<locked>>
81%
41495
64%
**02
96%
Rottweil R 907
<<locked>>
81%
52852
81%
**76
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
50734
78%
**81
99%
Shooters World Long Rifle
<<locked>>
81%
51692
80%
**36
100%
Somchem S361
<<locked>>
81%
44556
69%
**89
95%
Somchem S365
<<locked>>
81%
46485
72%
**00
100%
Somchem S385
<<locked>>
81%
42322
65%
**92
97%
Vihtavuori N150
<<locked>>
81%
49182
76%
**58
100%
Vihtavuori N160
<<locked>>
81%
53272
82%
**79
100%
Vihtavuori N165
<<locked>>
81%
35592
55%
**31
95%
Vihtavuori N550
<<locked>>
81%
53708
83%
**22
100%
Vihtavuori N555
<<locked>>
81%
40901
63%
**99
100%
[Vihtavuori N560]*
<<locked>>
81%
38000
58%
**66
92%
[Vihtavuori N565]*
<<locked>>
81%
32837
51%
**08
90%
[Vihtavuori N568]*
<<locked>>
88%
36274
56%
**30
90%
[Vihtavuori N570]*
<<locked>>
93%
42047
65%
**81
90%
Winchester 6.5 StaBALL
<<locked>>
81%
50517
78%
**94
100%
Winchester StaBALL HD
<<locked>>
81%
32996
51%
**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.

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