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Load data for .300 Rem. Ultra Mag + .308 | 230gr | Berger Hybrid OTM

Recommended Powder(s): ADI AR 2217, Hodgdon H1000, ReloadSwiss RS 80, Vihtavuori N568, Vihtavuori N570

.300 Rem. Ultra Mag + .308 | 230gr | Berger Hybrid OTM

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 230gr | Berger Hybrid OTM
Manufacturer SKU:
30112
Bullet Weight:
230gr | 14.9g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.608" | 40.8mm
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:
0.914" | 23.2mm
Shank Seated Depth:
0.642" | 16.3mm
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_B1125_C374
Last updated:
2025-01-01
Recommended Twist Rate:
1:10 - 1:9

Load data for 96 loads in caliber .300 Rem. Ultra Mag with .308 | 230gr | Berger Hybrid OTM bullet and 48 powders such as ADI AR 2217, Hodgdon H1000, ReloadSwiss RS 80, Vihtavuori N568, Vihtavuori N570. 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>>
84%
58088
89%
**15
100%
ADI AR 2213
<<locked>>
87%
58175
90%
**54
100%
ADI AR 2217 👍
<<locked>>
96%
58407
90%
**51
100%
ADI AR 2218
<<locked>>
97%
53011
82%
**90
99%
ADI AR 2225
<<locked>>
97%
55695
86%
**54
100%
Accurate 3100
<<locked>>
87%
57943
89%
**49
100%
Accurate 8700
<<locked>>
97%
41611
64%
**08
95%
Accurate MAGPRO
<<locked>>
87%
57725
89%
**67
100%
Alliant Reloder-19
<<locked>>
85%
58407
90%
**15
100%
Alliant Reloder-22
<<locked>>
87%
58015
89%
**38
100%
Alliant Reloder-23
<<locked>>
88%
57841
89%
**69
100%
Alliant Reloder-25
<<locked>>
91%
57682
89%
**31
100%
Alliant Reloder-26
<<locked>>
84%
58421
90%
**54
100%
Alliant Reloder-33
<<locked>>
96%
57609
89%
**10
99%
Alliant Reloder-50
<<locked>>
97%
50328
77%
**98
98%
Hodgdon H1000 👍
<<locked>>
96%
58407
90%
**51
100%
Hodgdon H4831
<<locked>>
90%
57783
89%
**05
100%
Hodgdon H4831 SC
<<locked>>
86%
57783
89%
**05
100%
Hodgdon Retumbo
<<locked>>
97%
55695
86%
**54
100%
[Hodgdon US 869]*
<<locked>>
97%
46702
72%
**74
92%
IMR 4831
<<locked>>
84%
58146
89%
**46
100%
IMR 4955 Enduron
<<locked>>
88%
58407
90%
**85
100%
IMR 7828 SSC
<<locked>>
86%
58204
90%
**57
100%
IMR 7977 Enduron
<<locked>>
93%
58450
90%
**62
97%
IMR 8133 Enduron
<<locked>>
97%
50821
78%
**82
100%
Lovex D100
<<locked>>
96%
58349
90%
**92
96%
Lovex S071
<<locked>>
92%
57943
89%
**49
100%
Norma 217
<<locked>>
97%
52301
81%
**05
100%
Norma MRP
<<locked>>
85%
57754
89%
**48
100%
[Ramshot LRT]*
<<locked>>
97%
52127
80%
**12
94%
Ramshot Magnum
<<locked>>
87%
58378
90%
**18
100%
ReloadSwiss RS 76
<<locked>>
92%
58363
90%
**07
100%
ReloadSwiss RS 80 👍
<<locked>>
94%
57943
89%
**94
100%
Rottweil R 904
<<locked>>
84%
57870
89%
**79
100%
Rottweil R 905
<<locked>>
85%
58131
89%
**05
100%
SNPE Vectan SP 13
<<locked>>
97%
43903
68%
**31
96%
Somchem S361
<<locked>>
84%
58276
90%
**62
100%
Somchem S385
<<locked>>
84%
57754
89%
**66
100%
[Vihtavuori 20N29]*
<<locked>>
97%
41756
64%
**98
93%
[Vihtavuori 24N41]*
<<locked>>
97%
53098
82%
**82
94%
Vihtavuori N165
<<locked>>
90%
57928
89%
**62
100%
Vihtavuori N170
<<locked>>
97%
55738
86%
**75
98%
Vihtavuori N555
<<locked>>
85%
58073
89%
**75
100%
Vihtavuori N560
<<locked>>
87%
58407
90%
**74
100%
Vihtavuori N565
<<locked>>
91%
58465
90%
**54
100%
Vihtavuori N568 👍
<<locked>>
94%
58407
90%
**94
100%
Vihtavuori N570 👍
<<locked>>
95%
58378
90%
**36
99%
Winchester StaBALL HD
<<locked>>
88%
58436
90%
**61
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
51837
80%
**30
100%
ADI AR 2213
<<locked>>
81%
46934
72%
**93
100%
ADI AR 2217
<<locked>>
81%
35027
54%
**70
97%
[ADI AR 2218]*
<<locked>>
83%
31560
49%
**34
90%
ADI AR 2225
<<locked>>
81%
32169
49%
**44
99%
Accurate 3100
<<locked>>
81%
47616
73%
**18
100%
[Accurate 8700]*
<<locked>>
89%
31401
48%
**85
90%
Accurate MAGPRO
<<locked>>
81%
46978
72%
**97
98%
Alliant Reloder-19
<<locked>>
81%
51634
79%
**26
100%
Alliant Reloder-22
<<locked>>
81%
47616
73%
**97
100%
Alliant Reloder-23
<<locked>>
81%
46398
71%
**21
100%
Alliant Reloder-25
<<locked>>
81%
40234
62%
**82
100%
Alliant Reloder-26
<<locked>>
81%
53156
82%
**82
100%
[Alliant Reloder-33]*
<<locked>>
81%
32387
50%
**57
92%
[Alliant Reloder-50]*
<<locked>>
84%
30705
47%
**05
90%
Hodgdon H1000
<<locked>>
81%
35027
54%
**70
97%
Hodgdon H4831
<<locked>>
81%
43729
67%
**95
99%
Hodgdon H4831 SC
<<locked>>
81%
48718
75%
**70
99%
Hodgdon Retumbo
<<locked>>
81%
32169
49%
**44
99%
[Hodgdon US 869]*
<<locked>>
94%
41568
64%
**82
90%
IMR 4831
<<locked>>
81%
53098
82%
**87
100%
IMR 4955 Enduron
<<locked>>
81%
47311
73%
**28
99%
IMR 7828 SSC
<<locked>>
81%
48588
75%
**23
100%
[IMR 7977 Enduron]*
<<locked>>
81%
40277
62%
**67
92%
IMR 8133 Enduron
<<locked>>
81%
29733
46%
**78
95%
[Lovex D100]*
<<locked>>
86%
39813
61%
**03
90%
Lovex S071
<<locked>>
81%
40785
63%
**06
100%
Norma 217
<<locked>>
81%
29965
46%
**98
98%
Norma MRP
<<locked>>
81%
50836
78%
**59
100%
[Ramshot LRT]*
<<locked>>
90%
41539
64%
**18
90%
Ramshot Magnum
<<locked>>
81%
45701
70%
**48
100%
ReloadSwiss RS 76
<<locked>>
81%
38812
60%
**21
100%
ReloadSwiss RS 80
<<locked>>
81%
35607
55%
**26
96%
Rottweil R 904
<<locked>>
81%
52243
80%
**03
100%
Rottweil R 905
<<locked>>
81%
51285
79%
**20
100%
[SNPE Vectan SP 13]*
<<locked>>
87%
31560
49%
**78
90%
Somchem S361
<<locked>>
81%
53432
82%
**97
100%
Somchem S385
<<locked>>
81%
51793
80%
**87
100%
[Vihtavuori 20N29]*
<<locked>>
93%
35752
55%
**87
90%
[Vihtavuori 24N41]*
<<locked>>
90%
41495
64%
**88
90%
Vihtavuori N165
<<locked>>
81%
44121
68%
**69
100%
[Vihtavuori N170]*
<<locked>>
81%
33533
52%
**78
91%
Vihtavuori N555
<<locked>>
81%
51242
79%
**93
100%
Vihtavuori N560
<<locked>>
81%
47935
74%
**23
99%
Vihtavuori N565
<<locked>>
81%
41858
64%
**95
99%
Vihtavuori N568
<<locked>>
81%
36840
57%
**36
96%
[Vihtavuori N570]*
<<locked>>
81%
35186
54%
**26
93%
Winchester StaBALL HD
<<locked>>
81%
45368
70%
**87
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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