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Load data for .300 Rem. Ultra Mag + .308 | 180gr | Norma Bonstrike

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Recommended Powder(s): ADI AR 2213, Alliant Reloder-22, IMR 7828 SSC, ReloadSwiss RS 76, Vihtavuori N560

.300 Rem. Ultra Mag + .308 | 180gr | Norma Bonstrike

Load Specifications

Norma Load Data | xxlreloading.com

Load data for 224 loads in caliber .300 Rem. Ultra Mag with a .308 | 180gr | Norma Bonstrike 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) 

  • Muzzle velocity vs. barrel length

    Every 1 Inch additional barrel length increases muzzle velocity by approx. -11 fps

  • .

    Use the Personalized Load Calculator to customize loads to your own specific requirements. 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 this criteria at own risk to also 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
88%
89%
100%
ADI AR 2213
91%
89%
100%
ADI AR 2217
97%
80%
99%
ADI AR 2218
97%
70%
94%
ADI AR 2225
97%
73%
100%
Accurate 3100
91%
89%
100%
Accurate MAGPRO
91%
89%
99%
Alliant Reloder-16
84%
89%
100%
Alliant Reloder-19
89%
90%
100%
Alliant Reloder-22
91%
89%
100%
Alliant Reloder-23
92%
90%
100%
Alliant Reloder-25
96%
90%
100%
Alliant Reloder-26
88%
90%
100%
Alliant Reloder-33
97%
77%
96%
Alliant Reloder-50
97%
65%
93%
Hodgdon H1000
97%
80%
99%
Hodgdon H4350
86%
89%
100%
Hodgdon H4831
94%
90%
99%
Hodgdon H4831 SC
90%
89%
99%
Hodgdon Hybrid 100V
86%
89%
100%
Hodgdon Retumbo
97%
73%
100%
Hodgdon TrailBoss
97%
55%
100%
IMR 4350
85%
90%
100%
IMR 4831
88%
89%
100%
IMR 4955 Enduron
91%
90%
99%
IMR 7828 SSC
90%
90%
100%
IMR 7977 Enduron
96%
90%
94%
IMR 8133 Enduron
97%
66%
97%
Lovex S070
84%
90%
100%
Lovex S071
96%
89%
100%
Norma 204
84%
90%
100%
Norma 217
97%
67%
99%
Norma MRP
89%
89%
100%
Norma URP
84%
89%
100%
Ramshot Hunter
84%
89%
100%
Ramshot Magnum
91%
89%
100%
ReloadSwiss RS 14
96%
56%
100%
ReloadSwiss RS 70
83%
90%
100%
ReloadSwiss RS 76
96%
90%
100%
ReloadSwiss RS 80
97%
85%
99%
Rottweil R 904
88%
90%
100%
Rottweil R 905
89%
90%
100%
SNPE Vectan Tubal 7000
83%
89%
100%
Somchem S361
87%
89%
99%
Somchem S365
85%
89%
100%
Somchem S385
89%
90%
100%
Vihtavuori N150
84%
89%
100%
Vihtavuori N165
93%
89%
100%
Vihtavuori N170
97%
75%
94%
Vihtavuori N555
89%
90%
100%
Vihtavuori N560
91%
90%
99%
Vihtavuori N565
95%
90%
100%
Vihtavuori N568
97%
86%
99%
Vihtavuori N570
97%
82%
96%
Winchester 6.5 StaBALL
83%
90%
100%
Winchester StaBALL HD
92%
89%
100%

Max Load - Barrel Length: 

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
81%
70%
99%
ADI AR 2213
81%
63%
96%
ADI AR 2217
81%
47%
91%
ADI AR 2218
92%
59%
90%
ADI AR 2225
81%
42%
93%
Accurate 3100
81%
63%
99%
Accurate MAGPRO
81%
62%
94%
Alliant Reloder-16
81%
81%
100%
Alliant Reloder-19
81%
70%
98%
Alliant Reloder-22
81%
64%
98%
Alliant Reloder-23
81%
61%
100%
Alliant Reloder-25
81%
53%
99%
Alliant Reloder-26
81%
69%
100%
Alliant Reloder-33
88%
55%
90%
Alliant Reloder-50
94%
58%
90%
Hodgdon H1000
81%
47%
91%
Hodgdon H4350
81%
75%
100%
Hodgdon H4831
81%
59%
95%
Hodgdon H4831 SC
81%
66%
96%
Hodgdon Hybrid 100V
81%
75%
100%
Hodgdon Retumbo
81%
42%
93%
Hodgdon TrailBoss
81%
44%
100%
IMR 4350
81%
79%
100%
IMR 4831
81%
72%
100%
IMR 4955 Enduron
81%
65%
96%
IMR 7828 SSC
81%
65%
97%
IMR 7977 Enduron
88%
69%
90%
IMR 8133 Enduron
84%
43%
90%
Lovex S070
81%
82%
100%
Lovex S071
81%
55%
98%
Norma 204
81%
80%
99%
Norma 217
81%
38%
90%
Norma MRP
81%
67%
99%
Norma URP
81%
82%
100%
Ramshot Hunter
81%
80%
100%
Ramshot Magnum
81%
60%
98%
ReloadSwiss RS 14
81%
45%
100%
ReloadSwiss RS 70
81%
82%
100%
ReloadSwiss RS 76
81%
51%
97%
ReloadSwiss RS 80
82%
48%
90%
Rottweil R 904
81%
71%
98%
Rottweil R 905
81%
69%
99%
SNPE Vectan Tubal 7000
81%
83%
100%
Somchem S361
81%
73%
97%
Somchem S365
81%
78%
100%
Somchem S385
81%
70%
99%
Vihtavuori N150
81%
81%
100%
Vihtavuori N165
81%
59%
97%
Vihtavuori N170
90%
61%
90%
Vihtavuori N555
81%
69%
100%
Vihtavuori N560
81%
64%
96%
Vihtavuori N565
81%
55%
94%
Vihtavuori N568
82%
50%
90%
Vihtavuori N570
87%
57%
90%
Winchester 6.5 StaBALL
81%
83%
100%
Winchester StaBALL HD
81%
57%
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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