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Load data for .300 Rem. Ultra Mag + .308 | 150gr | Sellier & Bellot SP

Recommended Powder(s): Alliant Reloder-19, Alliant Reloder-22, Alliant Reloder-25, Norma MRP, Rottweil R 905

.300 Rem. Ultra Mag + .308 | 150gr | Sellier & Bellot SP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 150gr | Sellier & Bellot SP
Manufacturer SKU:
2934
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
0.912" | 23.2mm
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:
0.218" | 5.5mm
Shank Seated Depth:
0.218" | 5.5mm
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_B7222_C374
Last updated:
2025-01-01

Load data for 118 loads in caliber .300 Rem. Ultra Mag with .308 | 150gr | Sellier & Bellot SP bullet and 59 powders such as Alliant Reloder-19, Alliant Reloder-22, Alliant Reloder-25, 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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  • 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%
57972
89%
**07
99%
ADI AR 2213
<<locked>>
92%
57914
89%
**40
99%
ADI AR 2217
<<locked>>
97%
49951
77%
**99
98%
ADI AR 2225
<<locked>>
97%
44976
69%
**43
99%
Accurate 3100
<<locked>>
92%
57972
89%
**41
100%
Accurate 4350
<<locked>>
84%
58320
90%
**81
100%
Accurate MAGPRO
<<locked>>
92%
58204
90%
**43
98%
Alliant Reloder-16
<<locked>>
85%
57943
89%
**14
100%
Alliant Reloder-19 👍
<<locked>>
90%
58088
89%
**07
99%
Alliant Reloder-22 👍
<<locked>>
92%
58102
89%
**40
100%
Alliant Reloder-23
<<locked>>
94%
58320
90%
**94
100%
Alliant Reloder-25 👍
<<locked>>
97%
57000
88%
**30
100%
Alliant Reloder-26
<<locked>>
89%
58160
90%
**63
100%
[Alliant Reloder-33]*
<<locked>>
97%
47268
73%
**72
93%
Hodgdon H1000
<<locked>>
97%
49951
77%
**99
98%
Hodgdon H4350
<<locked>>
88%
57928
89%
**58
100%
Hodgdon H4831
<<locked>>
95%
57783
89%
**77
98%
Hodgdon H4831 SC
<<locked>>
91%
57783
89%
**77
98%
Hodgdon Hybrid 100V
<<locked>>
88%
58421
90%
**41
100%
Hodgdon LVR
<<locked>>
83%
58421
90%
**94
100%
Hodgdon Retumbo
<<locked>>
97%
44976
69%
**43
99%
Hodgdon TrailBoss
<<locked>>
97%
35636
55%
**95
100%
IMR 4350
<<locked>>
86%
58001
89%
**58
100%
IMR 4831
<<locked>>
89%
57943
89%
**61
100%
IMR 4955 Enduron
<<locked>>
92%
58073
89%
**58
98%
IMR 7828 SSC
<<locked>>
91%
58088
89%
**59
99%
[IMR 7977 Enduron]*
<<locked>>
97%
57972
89%
**92
92%
IMR 8133 Enduron
<<locked>>
97%
40683
63%
**38
95%
Lovex S065
<<locked>>
84%
58436
90%
**48
100%
Lovex S070
<<locked>>
85%
58479
90%
**71
100%
Lovex S071
<<locked>>
97%
56507
87%
**22
100%
Norma 204
<<locked>>
86%
58450
90%
**00
99%
Norma 217
<<locked>>
97%
40886
63%
**67
98%
Norma MRP 👍
<<locked>>
90%
57856
89%
**46
100%
Norma URP
<<locked>>
85%
58233
90%
**81
100%
Ramshot Hunter
<<locked>>
86%
58218
90%
**04
100%
Ramshot Magnum
<<locked>>
92%
57972
89%
**94
100%
ReloadSwiss RS 14
<<locked>>
96%
36201
56%
**37
100%
ReloadSwiss RS 62
<<locked>>
84%
58378
90%
**91
100%
ReloadSwiss RS 70
<<locked>>
85%
57957
89%
**40
100%
ReloadSwiss RS 76
<<locked>>
97%
56898
88%
**82
100%
ReloadSwiss RS 80
<<locked>>
97%
52373
81%
**77
97%
Rottweil R 904
<<locked>>
89%
58247
90%
**71
99%
Rottweil R 905 👍
<<locked>>
90%
57754
89%
**00
100%
Rottweil R 907
<<locked>>
83%
58102
89%
**51
100%
SNPE Vectan Tubal 7000
<<locked>>
84%
58189
90%
**02
100%
Shooters World Long Rifle
<<locked>>
84%
58436
90%
**48
100%
Somchem S361
<<locked>>
88%
58088
89%
**25
98%
Somchem S365
<<locked>>
87%
58465
90%
**71
100%
Somchem S385
<<locked>>
90%
58421
90%
**74
100%
Vihtavuori N150
<<locked>>
86%
58262
90%
**92
100%
Vihtavuori N165
<<locked>>
95%
58146
89%
**51
100%
Vihtavuori N555
<<locked>>
91%
58465
90%
**91
100%
Vihtavuori N560
<<locked>>
92%
58349
90%
**63
99%
Vihtavuori N565
<<locked>>
96%
58059
89%
**27
99%
Vihtavuori N568
<<locked>>
97%
52808
81%
**77
97%
[Vihtavuori N570]*
<<locked>>
97%
50517
78%
**54
94%
Winchester 6.5 StaBALL
<<locked>>
84%
57986
89%
**95
100%
Winchester StaBALL HD
<<locked>>
94%
58320
90%
**82
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
43352
67%
**48
97%
[ADI AR 2213]*
<<locked>>
81%
38740
60%
**72
94%
[ADI AR 2217]*
<<locked>>
84%
32474
50%
**85
90%
[ADI AR 2225]*
<<locked>>
82%
27514
42%
**70
90%
Accurate 3100
<<locked>>
81%
39363
61%
**23
98%
Accurate 4350
<<locked>>
81%
52373
81%
**92
100%
[Accurate MAGPRO]*
<<locked>>
81%
38479
59%
**56
91%
Alliant Reloder-16
<<locked>>
81%
49763
77%
**95
100%
Alliant Reloder-19
<<locked>>
81%
43468
67%
**48
97%
Alliant Reloder-22
<<locked>>
81%
39189
60%
**79
95%
Alliant Reloder-23
<<locked>>
81%
37768
58%
**40
100%
Alliant Reloder-25
<<locked>>
81%
32692
50%
**44
97%
Alliant Reloder-26
<<locked>>
81%
42482
65%
**94
100%
[Alliant Reloder-33]*
<<locked>>
93%
40263
62%
**28
90%
[Hodgdon H1000]*
<<locked>>
84%
32474
50%
**85
90%
Hodgdon H4350
<<locked>>
81%
46775
72%
**64
98%
[Hodgdon H4831]*
<<locked>>
81%
36463
56%
**64
92%
[Hodgdon H4831 SC]*
<<locked>>
81%
40625
63%
**69
94%
Hodgdon Hybrid 100V
<<locked>>
81%
46688
72%
**64
100%
Hodgdon LVR
<<locked>>
81%
54259
84%
**28
100%
[Hodgdon Retumbo]*
<<locked>>
82%
27514
42%
**70
90%
Hodgdon TrailBoss
<<locked>>
81%
28369
44%
**37
100%
IMR 4350
<<locked>>
81%
49313
76%
**17
99%
IMR 4831
<<locked>>
81%
44570
69%
**44
100%
[IMR 4955 Enduron]*
<<locked>>
81%
40306
62%
**30
94%
[IMR 7828 SSC]*
<<locked>>
81%
39885
61%
**08
94%
[IMR 7977 Enduron]*
<<locked>>
93%
50618
78%
**67
90%
[IMR 8133 Enduron]*
<<locked>>
90%
31531
49%
**08
90%
Lovex S065
<<locked>>
81%
52837
81%
**66
100%
Lovex S070
<<locked>>
81%
51227
79%
**53
100%
Lovex S071
<<locked>>
81%
33547
52%
**85
96%
Norma 204
<<locked>>
81%
50038
77%
**66
98%
[Norma 217]*
<<locked>>
86%
27673
43%
**03
90%
Norma MRP
<<locked>>
81%
41307
64%
**54
98%
Norma URP
<<locked>>
81%
50865
78%
**66
100%
Ramshot Hunter
<<locked>>
81%
49821
77%
**63
100%
Ramshot Magnum
<<locked>>
81%
36651
56%
**00
96%
ReloadSwiss RS 14
<<locked>>
81%
28979
45%
**77
100%
ReloadSwiss RS 62
<<locked>>
81%
52518
81%
**05
100%
ReloadSwiss RS 70
<<locked>>
81%
50836
78%
**25
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
31154
48%
**15
93%
[ReloadSwiss RS 80]*
<<locked>>
87%
34998
54%
**07
90%
Rottweil R 904
<<locked>>
81%
44411
68%
**31
96%
Rottweil R 905
<<locked>>
81%
42859
66%
**38
97%
Rottweil R 907
<<locked>>
81%
53983
83%
**95
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
52127
80%
**07
100%
Shooters World Long Rifle
<<locked>>
81%
52837
81%
**66
100%
Somchem S361
<<locked>>
81%
45759
70%
**15
96%
Somchem S365
<<locked>>
81%
48196
74%
**20
100%
Somchem S385
<<locked>>
81%
43337
67%
**12
98%
Vihtavuori N150
<<locked>>
81%
50473
78%
**77
100%
Vihtavuori N165
<<locked>>
81%
36579
56%
**54
95%
Vihtavuori N555
<<locked>>
81%
42134
65%
**22
100%
[Vihtavuori N560]*
<<locked>>
81%
39233
60%
**99
93%
[Vihtavuori N565]*
<<locked>>
81%
33968
52%
**44
91%
[Vihtavuori N568]*
<<locked>>
87%
36042
55%
**17
90%
[Vihtavuori N570]*
<<locked>>
92%
41379
64%
**71
90%
Winchester 6.5 StaBALL
<<locked>>
81%
51764
80%
**10
100%
Winchester StaBALL HD
<<locked>>
81%
34592
53%
**76
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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