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Load data for .300 Rem. Ultra Mag + .308 | 150gr | LOS Hunter Tactic

Recommended Powder(s): Alliant Reloder-26, Ramshot Hunter, Somchem S385, Vihtavuori N555, Winchester StaBALL HD

.300 Rem. Ultra Mag + .308 | 150gr | LOS Hunter Tactic

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 150gr | LOS Hunter Tactic
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.295" | 32.9mm
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:
0.601" | 15.3mm
Shank Seated Depth:
0.414" | 10.5mm
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_B3526_C374
Last updated:
2025-01-01
Recommended Twist Rate:
1:12 - 1:10

Load data for 148 loads in caliber .300 Rem. Ultra Mag with .308 | 150gr | LOS Hunter Tactic bullet and 74 powders such as Alliant Reloder-26, Ramshot Hunter, Somchem S385, Vihtavuori N555, Winchester StaBALL HD. 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 2208
<<locked>>
84%
58233
90%
**45
100%
ADI AR 2209
<<locked>>
94%
58407
90%
**27
99%
ADI AR 2213
<<locked>>
97%
58421
90%
**56
99%
ADI AR 2217
<<locked>>
97%
41901
64%
**35
95%
ADI AR 2225
<<locked>>
97%
37101
57%
**69
97%
Accurate 2700
<<locked>>
84%
57928
89%
**95
100%
Accurate 3100
<<locked>>
97%
57464
88%
**38
100%
Accurate 4350
<<locked>>
89%
58117
89%
**91
100%
Accurate MAGPRO
<<locked>>
97%
58276
90%
**53
97%
Alliant Reloder- TS 15.5
<<locked>>
83%
58407
90%
**51
100%
Alliant Reloder-16
<<locked>>
90%
58378
90%
**40
100%
Alliant Reloder-17
<<locked>>
85%
58479
90%
**30
100%
Alliant Reloder-19
<<locked>>
94%
58218
90%
**17
99%
Alliant Reloder-22
<<locked>>
97%
57870
89%
**46
99%
Alliant Reloder-23
<<locked>>
97%
55317
85%
**68
100%
Alliant Reloder-25
<<locked>>
97%
47659
73%
**95
100%
Alliant Reloder-26 👍
<<locked>>
94%
57943
89%
**66
100%
Hodgdon H1000
<<locked>>
97%
41901
64%
**35
95%
Hodgdon H414
<<locked>>
85%
58233
90%
**17
100%
Hodgdon H4350
<<locked>>
92%
58436
90%
**68
100%
Hodgdon H4831
<<locked>>
97%
53969
83%
**22
97%
Hodgdon H4831 SC
<<locked>>
95%
58334
90%
**91
98%
Hodgdon Hybrid 100V
<<locked>>
92%
58001
89%
**45
100%
Hodgdon LVR
<<locked>>
87%
58015
89%
**91
100%
Hodgdon Retumbo
<<locked>>
97%
37101
57%
**69
97%
Hodgdon Superperformance
<<locked>>
87%
58204
90%
**33
100%
Hodgdon VARGET
<<locked>>
84%
58233
90%
**45
100%
Hodgdon TrailBoss
<<locked>>
96%
34635
53%
**65
100%
IMR 4064
<<locked>>
85%
58218
90%
**45
100%
IMR 4166 Enduron
<<locked>>
85%
57943
89%
**38
100%
IMR 4350
<<locked>>
90%
58189
90%
**61
100%
IMR 4451 Enduron
<<locked>>
86%
58160
90%
**54
100%
IMR 4831
<<locked>>
94%
58320
90%
**68
100%
IMR 4955 Enduron
<<locked>>
96%
58305
90%
**68
98%
IMR 7828 SSC
<<locked>>
95%
57972
89%
**59
99%
Lovex S065
<<locked>>
88%
58146
89%
**51
100%
Lovex S070
<<locked>>
89%
58175
90%
**68
100%
Lovex S071
<<locked>>
97%
47456
73%
**84
99%
Norma 204
<<locked>>
89%
58450
90%
**00
99%
[Norma 217]*
<<locked>>
97%
32460
50%
**71
93%
Norma MRP
<<locked>>
95%
57769
89%
**59
100%
Norma URP
<<locked>>
89%
57943
89%
**87
100%
Ramshot Hunter 👍
<<locked>>
90%
58320
90%
**07
100%
Ramshot Magnum
<<locked>>
97%
58291
90%
**14
100%
ReloadSwiss RS 14
<<locked>>
97%
35331
54%
**08
100%
ReloadSwiss RS 60
<<locked>>
86%
57972
89%
**40
100%
ReloadSwiss RS 62
<<locked>>
88%
58450
90%
**04
100%
ReloadSwiss RS 70
<<locked>>
89%
58378
90%
**53
100%
ReloadSwiss RS 76
<<locked>>
97%
47181
73%
**41
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
42047
65%
**87
94%
Rottweil R 903
<<locked>>
85%
58247
90%
**45
100%
Rottweil R 904
<<locked>>
93%
58363
90%
**81
99%
Rottweil R 905
<<locked>>
94%
58262
90%
**10
99%
Rottweil R 907
<<locked>>
87%
58073
89%
**54
100%
SNPE Vectan SP 11
<<locked>>
83%
57928
89%
**68
100%
SNPE Vectan Tubal 5000
<<locked>>
84%
58233
90%
**27
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
58276
90%
**09
100%
Shooters World Long Rifle
<<locked>>
88%
58146
89%
**51
100%
Somchem S355
<<locked>>
85%
57899
89%
**38
100%
Somchem S361
<<locked>>
92%
58015
89%
**25
98%
Somchem S365
<<locked>>
91%
58030
89%
**84
100%
Somchem S385 👍
<<locked>>
94%
58059
89%
**74
100%
Vihtavuori N135
<<locked>>
86%
58160
89%
**56
100%
Vihtavuori N150
<<locked>>
90%
58450
90%
**99
100%
Vihtavuori N160
<<locked>>
87%
58131
89%
**51
100%
Vihtavuori N165
<<locked>>
97%
53534
82%
**79
99%
Vihtavuori N550
<<locked>>
87%
58044
89%
**87
100%
Vihtavuori N555 👍
<<locked>>
95%
58088
89%
**04
100%
Vihtavuori N560
<<locked>>
97%
58320
90%
**73
98%
Vihtavuori N565
<<locked>>
97%
50082
77%
**05
97%
[Vihtavuori N568]*
<<locked>>
97%
43149
66%
**97
93%
Winchester 6.5 StaBALL
<<locked>>
88%
58349
90%
**12
100%
Winchester 760
<<locked>>
85%
58233
90%
**17
100%
Winchester StaBALL HD 👍
<<locked>>
97%
53417
82%
**36
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
53258
82%
**72
100%
[ADI AR 2209]*
<<locked>>
81%
36782
57%
**13
94%
[ADI AR 2213]*
<<locked>>
82%
33736
52%
**51
90%
[ADI AR 2217]*
<<locked>>
90%
33127
51%
**12
90%
[ADI AR 2225]*
<<locked>>
89%
28152
43%
**00
90%
Accurate 2700
<<locked>>
81%
51097
79%
**94
99%
Accurate 3100
<<locked>>
81%
31357
48%
**39
95%
Accurate 4350
<<locked>>
81%
43613
67%
**51
100%
[Accurate MAGPRO]*
<<locked>>
86%
37550
58%
**49
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
53853
83%
**92
100%
Alliant Reloder-16
<<locked>>
81%
42496
65%
**67
100%
Alliant Reloder-17
<<locked>>
81%
49922
77%
**02
100%
[Alliant Reloder-19]*
<<locked>>
81%
36811
57%
**03
94%
[Alliant Reloder-22]*
<<locked>>
81%
32126
49%
**18
92%
Alliant Reloder-23
<<locked>>
81%
30618
47%
**82
98%
[Alliant Reloder-25]*
<<locked>>
81%
26484
41%
**57
92%
Alliant Reloder-26
<<locked>>
81%
34011
52%
**17
97%
[Hodgdon H1000]*
<<locked>>
90%
33127
51%
**12
90%
Hodgdon H414
<<locked>>
81%
50633
78%
**95
99%
Hodgdon H4350
<<locked>>
81%
40582
62%
**53
97%
[Hodgdon H4831]*
<<locked>>
84%
34461
53%
**28
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
34635
53%
**28
90%
Hodgdon Hybrid 100V
<<locked>>
81%
39697
61%
**53
100%
Hodgdon LVR
<<locked>>
81%
46920
72%
**13
100%
[Hodgdon Retumbo]*
<<locked>>
89%
28152
43%
**00
90%
Hodgdon Superperformance
<<locked>>
81%
46296
71%
**36
98%
Hodgdon VARGET
<<locked>>
81%
52649
81%
**59
100%
Hodgdon TrailBoss
<<locked>>
81%
27383
42%
**04
100%
IMR 4064
<<locked>>
81%
51938
80%
**43
100%
IMR 4166 Enduron
<<locked>>
81%
50604
78%
**27
99%
IMR 4350
<<locked>>
81%
42772
66%
**92
97%
IMR 4451 Enduron
<<locked>>
81%
49124
76%
**17
99%
IMR 4831
<<locked>>
81%
37420
58%
**07
99%
[IMR 4955 Enduron]*
<<locked>>
81%
34737
53%
**08
91%
[IMR 7828 SSC]*
<<locked>>
81%
33620
52%
**54
90%
Lovex S065
<<locked>>
81%
45847
71%
**48
99%
Lovex S070
<<locked>>
81%
44150
68%
**28
98%
[Lovex S071]*
<<locked>>
81%
26223
40%
**95
92%
Norma 204
<<locked>>
81%
42989
66%
**31
96%
[Norma 217]*
<<locked>>
93%
28558
44%
**46
90%
[Norma MRP]*
<<locked>>
81%
33779
52%
**94
94%
Norma URP
<<locked>>
81%
43569
67%
**54
100%
Ramshot Hunter
<<locked>>
81%
42583
66%
**38
98%
[Ramshot Magnum]*
<<locked>>
81%
29631
46%
**30
91%
ReloadSwiss RS 14
<<locked>>
81%
27992
43%
**47
100%
ReloadSwiss RS 60
<<locked>>
81%
48124
74%
**92
100%
ReloadSwiss RS 62
<<locked>>
81%
44324
68%
**74
100%
ReloadSwiss RS 70
<<locked>>
81%
43047
66%
**97
99%
[ReloadSwiss RS 76]*
<<locked>>
85%
28674
44%
**43
90%
[ReloadSwiss RS 80]*
<<locked>>
93%
36085
56%
**40
90%
Rottweil R 903
<<locked>>
81%
51184
79%
**40
100%
[Rottweil R 904]*
<<locked>>
81%
38218
59%
**07
93%
[Rottweil R 905]*
<<locked>>
81%
35665
55%
**80
94%
Rottweil R 907
<<locked>>
81%
47239
73%
**81
98%
SNPE Vectan SP 11
<<locked>>
81%
53490
82%
**12
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
51909
80%
**38
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
45136
69%
**95
98%
Shooters World Long Rifle
<<locked>>
81%
45847
71%
**48
99%
Somchem S355
<<locked>>
81%
51024
79%
**43
100%
[Somchem S361]*
<<locked>>
81%
39073
60%
**80
93%
Somchem S365
<<locked>>
81%
39958
61%
**92
100%
Somchem S385
<<locked>>
81%
36100
56%
**61
95%
Vihtavuori N135
<<locked>>
81%
49284
76%
**41
100%
Vihtavuori N150
<<locked>>
81%
43584
67%
**72
100%
Vihtavuori N160
<<locked>>
81%
47137
73%
**84
100%
[Vihtavuori N165]*
<<locked>>
81%
30110
46%
**93
91%
Vihtavuori N550
<<locked>>
81%
47703
73%
**33
100%
Vihtavuori N555
<<locked>>
81%
34127
53%
**57
98%
[Vihtavuori N560]*
<<locked>>
82%
34127
53%
**84
90%
[Vihtavuori N565]*
<<locked>>
86%
33185
51%
**35
90%
[Vihtavuori N568]*
<<locked>>
93%
37159
57%
**62
90%
Winchester 6.5 StaBALL
<<locked>>
81%
44730
69%
**12
100%
Winchester 760
<<locked>>
81%
50633
78%
**95
99%
Winchester StaBALL HD
<<locked>>
81%
26136
40%
**62
98%

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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