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Load data for .300 Rem. Ultra Mag + .308 | 200gr | Sako Hammerhead

Recommended Powder(s): ADI AR 2217, ADI AR 2225, Hodgdon H1000, Hodgdon H4831, Vihtavuori N565

.300 Rem. Ultra Mag + .308 | 200gr | Sako Hammerhead

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 200gr | Sako Hammerhead
Manufacturer SKU:
227A
Bullet Weight:
200gr | 13.0g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.260" | 32.0mm
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:
0.566" | 14.4mm
Shank Seated Depth:
0.566" | 14.4mm
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_B10006_C374
Last updated:
2025-01-01

Load data for 100 loads in caliber .300 Rem. Ultra Mag with .308 | 200gr | Sako Hammerhead bullet and 50 powders such as ADI AR 2217, ADI AR 2225, Hodgdon H1000, Hodgdon H4831, 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>>
86%
58465
90%
**92
100%
ADI AR 2213
<<locked>>
88%
58073
89%
**22
100%
ADI AR 2217 👍
<<locked>>
97%
57638
89%
**08
100%
ADI AR 2218
<<locked>>
97%
50111
77%
**85
97%
ADI AR 2225 👍
<<locked>>
97%
52576
81%
**76
100%
Accurate 3100
<<locked>>
88%
58131
89%
**13
100%
[Accurate 8700]*
<<locked>>
97%
39639
61%
**93
93%
Accurate MAGPRO
<<locked>>
88%
58363
90%
**35
99%
Alliant Reloder-19
<<locked>>
86%
58160
90%
**85
100%
Alliant Reloder-22
<<locked>>
88%
57856
89%
**05
100%
Alliant Reloder-23
<<locked>>
89%
58291
90%
**43
100%
Alliant Reloder-25
<<locked>>
93%
58407
90%
**08
100%
Alliant Reloder-26
<<locked>>
85%
57914
89%
**12
100%
Alliant Reloder-33
<<locked>>
97%
55724
86%
**35
98%
Alliant Reloder-50
<<locked>>
97%
47587
73%
**94
96%
Hodgdon H1000 👍
<<locked>>
97%
57638
89%
**08
100%
Hodgdon H4350
<<locked>>
84%
58015
89%
**30
100%
Hodgdon H4831 👍
<<locked>>
91%
58436
90%
**79
100%
Hodgdon H4831 SC
<<locked>>
87%
57986
89%
**66
100%
Hodgdon Hybrid 100V
<<locked>>
84%
58421
90%
**97
100%
Hodgdon Retumbo
<<locked>>
97%
52576
81%
**76
100%
Hodgdon TrailBoss
<<locked>>
97%
36071
56%
**42
100%
IMR 4831
<<locked>>
85%
58015
89%
**23
100%
IMR 4955 Enduron
<<locked>>
89%
57928
89%
**43
100%
IMR 7828 SSC
<<locked>>
87%
58218
90%
**31
100%
IMR 7977 Enduron
<<locked>>
94%
58102
89%
**10
96%
IMR 8133 Enduron
<<locked>>
97%
48341
74%
**97
99%
[Lovex D100]*
<<locked>>
97%
57232
88%
**23
94%
Lovex S071
<<locked>>
94%
58334
90%
**20
100%
Norma 217
<<locked>>
97%
49472
76%
**26
100%
Norma MRP
<<locked>>
86%
57783
89%
**15
100%
[Ramshot LRT]*
<<locked>>
97%
50038
77%
**13
92%
Ramshot Magnum
<<locked>>
89%
58320
90%
**79
100%
ReloadSwiss RS 14
<<locked>>
96%
36825
57%
**78
100%
ReloadSwiss RS 76
<<locked>>
93%
57957
89%
**74
100%
ReloadSwiss RS 80
<<locked>>
95%
58160
90%
**61
100%
Rottweil R 904
<<locked>>
85%
58001
89%
**49
100%
Rottweil R 905
<<locked>>
86%
57885
89%
**69
100%
[SNPE Vectan SP 13]*
<<locked>>
97%
41829
64%
**20
93%
Somchem S361
<<locked>>
85%
58262
90%
**23
100%
Somchem S385
<<locked>>
86%
58030
89%
**40
100%
[Vihtavuori 24N41]*
<<locked>>
97%
50937
78%
**87
92%
Vihtavuori N165
<<locked>>
91%
58102
89%
**30
100%
Vihtavuori N170
<<locked>>
97%
53417
82%
**87
96%
Vihtavuori N555
<<locked>>
86%
58160
90%
**53
100%
Vihtavuori N560
<<locked>>
88%
58363
90%
**44
100%
Vihtavuori N565 👍
<<locked>>
92%
57928
89%
**08
100%
Vihtavuori N568
<<locked>>
95%
58117
89%
**51
99%
Vihtavuori N570
<<locked>>
96%
57740
89%
**84
98%
Winchester StaBALL HD
<<locked>>
89%
57899
89%
**22
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
49676
76%
**57
100%
ADI AR 2213
<<locked>>
81%
44686
69%
**08
98%
ADI AR 2217
<<locked>>
81%
33156
51%
**56
95%
[ADI AR 2218]*
<<locked>>
87%
34983
54%
**48
90%
ADI AR 2225
<<locked>>
81%
30589
47%
**29
97%
Accurate 3100
<<locked>>
81%
45426
70%
**33
100%
[Accurate 8700]*
<<locked>>
93%
34650
53%
**75
90%
Accurate MAGPRO
<<locked>>
81%
44817
69%
**08
97%
Alliant Reloder-19
<<locked>>
81%
49472
76%
**54
100%
Alliant Reloder-22
<<locked>>
81%
45484
70%
**15
99%
Alliant Reloder-23
<<locked>>
81%
44179
68%
**49
100%
Alliant Reloder-25
<<locked>>
81%
38116
59%
**97
100%
Alliant Reloder-26
<<locked>>
81%
50386
78%
**17
100%
[Alliant Reloder-33]*
<<locked>>
83%
32953
51%
**92
90%
[Alliant Reloder-50]*
<<locked>>
88%
34026
52%
**11
90%
Hodgdon H1000
<<locked>>
81%
33156
51%
**56
95%
Hodgdon H4350
<<locked>>
81%
52634
81%
**51
100%
Hodgdon H4831
<<locked>>
81%
41800
64%
**00
97%
Hodgdon H4831 SC
<<locked>>
81%
46514
72%
**89
98%
Hodgdon Hybrid 100V
<<locked>>
81%
53577
82%
**38
100%
Hodgdon Retumbo
<<locked>>
81%
30589
47%
**29
97%
Hodgdon TrailBoss
<<locked>>
87%
31459
48%
**50
100%
IMR 4831
<<locked>>
81%
50952
78%
**21
100%
IMR 4955 Enduron
<<locked>>
81%
45382
70%
**39
98%
IMR 7828 SSC
<<locked>>
81%
46209
71%
**38
99%
[IMR 7977 Enduron]*
<<locked>>
83%
40654
63%
**11
90%
[IMR 8133 Enduron]*
<<locked>>
81%
27876
43%
**44
92%
[Lovex D100]*
<<locked>>
90%
44411
68%
**16
90%
Lovex S071
<<locked>>
81%
39015
60%
**21
100%
Norma 217
<<locked>>
81%
28094
43%
**70
95%
Norma MRP
<<locked>>
81%
48298
74%
**77
100%
[Ramshot LRT]*
<<locked>>
94%
45890
71%
**35
90%
Ramshot Magnum
<<locked>>
81%
43410
67%
**62
100%
ReloadSwiss RS 14
<<locked>>
82%
29950
46%
**44
100%
ReloadSwiss RS 76
<<locked>>
81%
36724
57%
**20
99%
[ReloadSwiss RS 80]*
<<locked>>
81%
33634
52%
**05
94%
Rottweil R 904
<<locked>>
81%
50314
77%
**28
99%
Rottweil R 905
<<locked>>
81%
49124
76%
**48
100%
[SNPE Vectan SP 13]*
<<locked>>
92%
35012
54%
**82
90%
Somchem S361
<<locked>>
81%
51488
79%
**25
99%
Somchem S385
<<locked>>
81%
49501
76%
**21
100%
[Vihtavuori 24N41]*
<<locked>>
94%
46180
71%
**08
90%
Vihtavuori N165
<<locked>>
81%
41887
64%
**77
99%
[Vihtavuori N170]*
<<locked>>
85%
36332
56%
**72
90%
Vihtavuori N555
<<locked>>
81%
48863
75%
**25
100%
Vihtavuori N560
<<locked>>
81%
45803
70%
**41
98%
Vihtavuori N565
<<locked>>
81%
39842
61%
**00
97%
[Vihtavuori N568]*
<<locked>>
81%
34809
54%
**31
93%
[Vihtavuori N570]*
<<locked>>
81%
33750
52%
**25
90%
Winchester StaBALL HD
<<locked>>
81%
42699
66%
**08
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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