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Load data for .300 Rem. Ultra Mag + .308 | 180gr | Sako Hammerhead

Recommended Powder(s): ADI AR 2213, Accurate MAGPRO, ReloadSwiss RS 76, Vihtavuori N560, Vihtavuori N565

.300 Rem. Ultra Mag + .308 | 180gr | Sako Hammerhead

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 180gr | Sako Hammerhead
Manufacturer SKU:
226A
Bullet Weight:
180gr | 11.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.154" | 29.3mm
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:
0.460" | 11.7mm
Shank Seated Depth:
0.460" | 11.7mm
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_B10004_C374
Last updated:
2025-02-02

Load data for 104 loads in caliber .300 Rem. Ultra Mag with .308 | 180gr | Sako Hammerhead bullet and 52 powders such as ADI AR 2213, Accurate MAGPRO, ReloadSwiss RS 76, Vihtavuori N560, Vihtavuori N565. 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>>
87%
58044
89%
**13
100%
ADI AR 2213 👍
<<locked>>
90%
57870
89%
**43
100%
ADI AR 2217
<<locked>>
97%
54447
84%
**81
100%
ADI AR 2218
<<locked>>
97%
47514
73%
**35
95%
ADI AR 2225
<<locked>>
97%
49501
76%
**38
100%
Accurate 3100
<<locked>>
90%
58088
89%
**41
100%
Accurate MAGPRO 👍
<<locked>>
90%
58291
90%
**49
99%
Alliant Reloder-16
<<locked>>
83%
58218
90%
**04
100%
Alliant Reloder-19
<<locked>>
87%
57870
89%
**04
100%
Alliant Reloder-22
<<locked>>
90%
58073
89%
**33
100%
Alliant Reloder-23
<<locked>>
91%
57928
89%
**74
100%
Alliant Reloder-25
<<locked>>
95%
58233
90%
**33
100%
Alliant Reloder-26
<<locked>>
87%
58363
90%
**53
100%
Alliant Reloder-33
<<locked>>
97%
51837
80%
**84
97%
[Alliant Reloder-50]*
<<locked>>
97%
43874
68%
**23
93%
Hodgdon H1000
<<locked>>
97%
54447
84%
**81
100%
Hodgdon H4350
<<locked>>
86%
58291
90%
**54
100%
Hodgdon H4831
<<locked>>
93%
57928
89%
**84
99%
Hodgdon H4831 SC
<<locked>>
89%
57928
89%
**84
99%
Hodgdon Hybrid 100V
<<locked>>
85%
58436
90%
**22
100%
Hodgdon Retumbo
<<locked>>
97%
49501
76%
**38
100%
Hodgdon TrailBoss
<<locked>>
96%
35665
55%
**27
100%
IMR 4350
<<locked>>
84%
58059
89%
**54
100%
IMR 4831
<<locked>>
87%
57928
89%
**44
100%
IMR 4955 Enduron
<<locked>>
90%
58088
89%
**67
99%
IMR 7828 SSC
<<locked>>
89%
57769
89%
**46
100%
[IMR 7977 Enduron]*
<<locked>>
95%
58117
89%
**15
94%
IMR 8133 Enduron
<<locked>>
97%
45107
69%
**49
98%
[Lovex D100]*
<<locked>>
97%
54317
84%
**79
92%
Lovex S071
<<locked>>
95%
58421
90%
**44
100%
Norma 204
<<locked>>
83%
58044
89%
**87
100%
Norma 217
<<locked>>
97%
45585
70%
**72
100%
Norma MRP
<<locked>>
88%
57856
89%
**46
100%
Ramshot Hunter
<<locked>>
84%
58450
90%
**94
100%
Ramshot Magnum
<<locked>>
90%
58305
90%
**00
100%
ReloadSwiss RS 14
<<locked>>
96%
36593
56%
**67
100%
ReloadSwiss RS 76 👍
<<locked>>
95%
58233
90%
**05
100%
ReloadSwiss RS 80
<<locked>>
97%
57290
88%
**56
99%
Rottweil R 904
<<locked>>
87%
58479
90%
**77
100%
Rottweil R 905
<<locked>>
88%
57986
89%
**04
100%
Somchem S361
<<locked>>
86%
58175
90%
**38
99%
Somchem S365
<<locked>>
84%
58030
89%
**51
100%
Somchem S385
<<locked>>
87%
57986
89%
**58
100%
Vihtavuori N150
<<locked>>
83%
58044
89%
**72
100%
Vihtavuori N165
<<locked>>
92%
57928
89%
**48
100%
[Vihtavuori N170]*
<<locked>>
97%
50792
78%
**49
94%
Vihtavuori N555
<<locked>>
88%
57899
89%
**67
100%
Vihtavuori N560 👍
<<locked>>
90%
58363
90%
**63
99%
Vihtavuori N565 👍
<<locked>>
94%
58421
90%
**40
100%
Vihtavuori N568
<<locked>>
97%
58305
90%
**66
99%
Vihtavuori N570
<<locked>>
97%
55767
86%
**66
97%
Winchester StaBALL HD
<<locked>>
91%
57972
89%
**53
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
46978
72%
**33
99%
ADI AR 2213
<<locked>>
81%
42206
65%
**71
97%
[ADI AR 2217]*
<<locked>>
81%
31372
48%
**98
92%
[ADI AR 2218]*
<<locked>>
91%
38029
59%
**05
90%
ADI AR 2225
<<locked>>
81%
28674
44%
**69
95%
Accurate 3100
<<locked>>
81%
42685
66%
**02
100%
Accurate MAGPRO
<<locked>>
81%
42003
65%
**67
95%
Alliant Reloder-16
<<locked>>
81%
53867
83%
**35
100%
Alliant Reloder-19
<<locked>>
81%
46789
72%
**23
99%
Alliant Reloder-22
<<locked>>
81%
42931
66%
**74
98%
Alliant Reloder-23
<<locked>>
81%
41495
64%
**28
100%
Alliant Reloder-25
<<locked>>
81%
35824
55%
**59
99%
Alliant Reloder-26
<<locked>>
81%
46905
72%
**79
100%
[Alliant Reloder-33]*
<<locked>>
87%
35795
55%
**56
90%
[Alliant Reloder-50]*
<<locked>>
92%
36941
57%
**72
90%
[Hodgdon H1000]*
<<locked>>
81%
31372
48%
**98
92%
Hodgdon H4350
<<locked>>
81%
50401
78%
**40
100%
Hodgdon H4831
<<locked>>
81%
39407
61%
**56
95%
Hodgdon H4831 SC
<<locked>>
81%
44135
68%
**57
97%
Hodgdon Hybrid 100V
<<locked>>
81%
50676
78%
**13
100%
Hodgdon Retumbo
<<locked>>
81%
28674
44%
**69
95%
Hodgdon TrailBoss
<<locked>>
81%
28558
44%
**77
100%
IMR 4350
<<locked>>
81%
52837
81%
**79
100%
IMR 4831
<<locked>>
81%
48269
74%
**03
100%
IMR 4955 Enduron
<<locked>>
81%
43439
67%
**18
97%
IMR 7828 SSC
<<locked>>
81%
43439
67%
**00
97%
[IMR 7977 Enduron]*
<<locked>>
87%
44556
69%
**89
90%
[IMR 8133 Enduron]*
<<locked>>
83%
27963
43%
**39
90%
[Lovex D100]*
<<locked>>
94%
48211
74%
**84
90%
Lovex S071
<<locked>>
81%
36680
56%
**84
99%
Norma 204
<<locked>>
81%
53809
83%
**25
100%
[Norma 217]*
<<locked>>
81%
26092
40%
**00
92%
Norma MRP
<<locked>>
81%
45339
70%
**43
100%
Ramshot Hunter
<<locked>>
81%
53911
83%
**31
100%
Ramshot Magnum
<<locked>>
81%
40437
62%
**12
98%
ReloadSwiss RS 14
<<locked>>
81%
29414
45%
**22
100%
ReloadSwiss RS 76
<<locked>>
81%
34301
53%
**59
98%
[ReloadSwiss RS 80]*
<<locked>>
81%
31169
48%
**41
90%
Rottweil R 904
<<locked>>
81%
47805
74%
**00
98%
Rottweil R 905
<<locked>>
81%
46514
72%
**13
99%
Somchem S361
<<locked>>
81%
48950
75%
**94
98%
Somchem S365
<<locked>>
81%
52475
81%
**76
100%
Somchem S385
<<locked>>
81%
47007
72%
**90
99%
Vihtavuori N150
<<locked>>
81%
53925
83%
**17
100%
Vihtavuori N165
<<locked>>
81%
39726
61%
**49
98%
[Vihtavuori N170]*
<<locked>>
89%
38899
60%
**26
90%
Vihtavuori N555
<<locked>>
81%
46064
71%
**94
100%
Vihtavuori N560
<<locked>>
81%
42888
66%
**90
97%
Vihtavuori N565
<<locked>>
81%
37376
58%
**52
95%
[Vihtavuori N568]*
<<locked>>
81%
32416
50%
**64
90%
[Vihtavuori N570]*
<<locked>>
86%
36622
56%
**89
90%
Winchester StaBALL HD
<<locked>>
81%
39247
60%
**77
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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