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

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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

Berger Load Data | xxlreloading.com

>> Use the Personalized Load Calculator further below to adjust input parameters. 

Load data for 96 loads in caliber .300 Rem. Ultra Mag with a .308 | 230gr | Berger Hybrid OTM bullet based on the specified parameters like bullet length, cartridge length, and case capacity as shown 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".

    • a load must fulfill certain criteria to be listed below - see here.

    • our load data might deviate from other sources - see most common reasons here

    • all loads are based on the bullet and case dimensions shown further below - see here what to do if you deviate.

    • you can set your own specifications in the "Personalized Load Calculator"

    • Go to the bottom of the "My Account " page to set the measure system (imperial vs. metric) 

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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
84%
89%
100%
ADI AR 2213
87%
90%
100%
ADI AR 2217
96%
90%
100%
ADI AR 2218
97%
82%
99%
ADI AR 2225
97%
86%
100%
Accurate 3100
87%
89%
100%
Accurate 8700
97%
64%
95%
Accurate MAGPRO
87%
89%
100%
Alliant Reloder-19
85%
90%
100%
Alliant Reloder-22
87%
89%
100%
Alliant Reloder-23
88%
89%
100%
Alliant Reloder-25
91%
89%
100%
Alliant Reloder-26
84%
90%
100%
Alliant Reloder-33
96%
89%
99%
Alliant Reloder-50
97%
77%
98%
Hodgdon H1000
96%
90%
100%
Hodgdon H4831
90%
89%
100%
Hodgdon H4831 SC
86%
89%
100%
Hodgdon Retumbo
97%
86%
100%
Hodgdon US 869
97%
72%
92%
IMR 4831
84%
89%
100%
IMR 4955 Enduron
88%
90%
100%
IMR 7828 SSC
86%
90%
100%
IMR 7977 Enduron
93%
90%
97%
IMR 8133 Enduron
97%
78%
100%
Lovex D100
96%
90%
96%
Lovex S071
92%
89%
100%
Norma 217
97%
81%
100%
Norma MRP
85%
89%
100%
Ramshot LRT
97%
80%
94%
Ramshot Magnum
87%
90%
100%
ReloadSwiss RS 76
92%
90%
100%
ReloadSwiss RS 80
94%
89%
100%
Rottweil R 904
84%
89%
100%
Rottweil R 905
85%
89%
100%
SNPE Vectan SP 13
97%
68%
96%
Somchem S361
84%
90%
100%
Somchem S385
84%
89%
100%
Vihtavuori 20N29
97%
64%
93%
Vihtavuori 24N41
97%
82%
94%
Vihtavuori N165
90%
89%
100%
Vihtavuori N170
97%
86%
98%
Vihtavuori N555
85%
89%
100%
Vihtavuori N560
87%
90%
100%
Vihtavuori N565
91%
90%
100%
Vihtavuori N568
94%
90%
100%
Vihtavuori N570
95%
90%
99%
Winchester StaBALL HD
88%
90%
100%

Max Load - Barrel Length: 

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
81%
80%
100%
ADI AR 2213
81%
72%
100%
ADI AR 2217
81%
54%
97%
ADI AR 2218
83%
49%
90%
ADI AR 2225
81%
49%
99%
Accurate 3100
81%
73%
100%
Accurate 8700
89%
48%
90%
Accurate MAGPRO
81%
72%
98%
Alliant Reloder-19
81%
79%
100%
Alliant Reloder-22
81%
73%
100%
Alliant Reloder-23
81%
71%
100%
Alliant Reloder-25
81%
62%
100%
Alliant Reloder-26
81%
82%
100%
Alliant Reloder-33
81%
50%
92%
Alliant Reloder-50
84%
47%
90%
Hodgdon H1000
81%
54%
97%
Hodgdon H4831
81%
67%
99%
Hodgdon H4831 SC
81%
75%
99%
Hodgdon Retumbo
81%
49%
99%
Hodgdon US 869
94%
64%
90%
IMR 4831
81%
82%
100%
IMR 4955 Enduron
81%
73%
99%
IMR 7828 SSC
81%
75%
100%
IMR 7977 Enduron
81%
62%
92%
IMR 8133 Enduron
81%
46%
95%
Lovex D100
86%
61%
90%
Lovex S071
81%
63%
100%
Norma 217
81%
46%
98%
Norma MRP
81%
78%
100%
Ramshot LRT
90%
64%
90%
Ramshot Magnum
81%
70%
100%
ReloadSwiss RS 76
81%
60%
100%
ReloadSwiss RS 80
81%
55%
96%
Rottweil R 904
81%
80%
100%
Rottweil R 905
81%
79%
100%
SNPE Vectan SP 13
87%
49%
90%
Somchem S361
81%
82%
100%
Somchem S385
81%
80%
100%
Vihtavuori 20N29
93%
55%
90%
Vihtavuori 24N41
90%
64%
90%
Vihtavuori N165
81%
68%
100%
Vihtavuori N170
81%
52%
91%
Vihtavuori N555
81%
79%
100%
Vihtavuori N560
81%
74%
99%
Vihtavuori N565
81%
64%
99%
Vihtavuori N568
81%
57%
96%
Vihtavuori N570
81%
54%
93%
Winchester StaBALL HD
81%
70%
100%

Start Load - Barrel Length: 

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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