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Load data for .300 Rem. Ultra Mag + .308 | 165gr | LOS Tactic

Recommended Powder(s):

.300 Rem. Ultra Mag + .308 | 165gr | LOS Tactic

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 165gr | LOS Tactic
Bullet Weight:
165gr | 10.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.452" | 36.9mm
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:
0.758" | 19.3mm
Shank Seated Depth:
0.627" | 15.9mm
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_B3529_C374
Last updated:
2025-01-01
Recommended Twist Rate:
1:10 - 1:9

Load data for 146 loads in caliber .300 Rem. Ultra Mag with .308 | 165gr | LOS Tactic bullet and 73 powder(s). 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>>
83%
58421
90%
**40
100%
ADI AR 2209 👍
<<locked>>
93%
58450
90%
**12
100%
ADI AR 2213
<<locked>>
96%
58088
89%
**45
99%
ADI AR 2217
<<locked>>
97%
43482
67%
**72
96%
ADI AR 2225
<<locked>>
97%
38667
60%
**20
98%
Accurate 2700
<<locked>>
84%
58450
90%
**00
100%
Accurate 3100
<<locked>>
96%
58291
90%
**46
100%
Accurate 4350
<<locked>>
88%
58291
90%
**79
100%
Accurate MAGPRO
<<locked>>
96%
57769
89%
**48
98%
Alliant Reloder-16
<<locked>>
89%
58189
90%
**18
100%
Alliant Reloder-17
<<locked>>
84%
58015
89%
**12
100%
Alliant Reloder-19 👍
<<locked>>
93%
58015
89%
**09
100%
Alliant Reloder-22
<<locked>>
96%
58349
90%
**45
100%
Alliant Reloder-23
<<locked>>
97%
57711
89%
**89
100%
Alliant Reloder-25
<<locked>>
97%
49356
76%
**20
100%
Alliant Reloder-26
<<locked>>
93%
58131
89%
**61
100%
Hodgdon H1000
<<locked>>
97%
43482
67%
**72
96%
Hodgdon H414
<<locked>>
84%
57798
89%
**92
100%
Hodgdon H4350
<<locked>>
91%
58233
90%
**59
100%
Hodgdon H4831
<<locked>>
97%
55550
85%
**43
98%
Hodgdon H4831 SC
<<locked>>
94%
57899
89%
**89
99%
Hodgdon Hybrid 100V
<<locked>>
91%
57812
89%
**23
100%
Hodgdon LVR
<<locked>>
86%
58073
89%
**79
100%
Hodgdon Retumbo
<<locked>>
97%
38667
60%
**20
98%
Hodgdon Superperformance
<<locked>>
86%
58015
89%
**18
100%
Hodgdon VARGET
<<locked>>
83%
58102
89%
**30
100%
Hodgdon TrailBoss
<<locked>>
96%
34780
54%
**73
100%
IMR 4064
<<locked>>
84%
58059
89%
**23
100%
IMR 4166 Enduron
<<locked>>
85%
58349
90%
**33
100%
IMR 4350
<<locked>>
89%
57914
89%
**46
100%
IMR 4451 Enduron
<<locked>>
85%
58233
90%
**53
100%
IMR 4831
<<locked>>
93%
58262
90%
**66
100%
IMR 4955 Enduron
<<locked>>
95%
57899
89%
**56
99%
IMR 7828 SSC
<<locked>>
95%
58088
89%
**48
99%
[IMR 8133 Enduron]*
<<locked>>
97%
34229
53%
**12
93%
Lovex S065
<<locked>>
87%
58334
90%
**36
100%
Lovex S070
<<locked>>
88%
58233
90%
**59
100%
Lovex S071
<<locked>>
97%
48805
75%
**08
100%
Norma 204
<<locked>>
88%
58117
89%
**86
99%
Norma 217
<<locked>>
97%
33924
52%
**21
95%
Norma MRP 👍
<<locked>>
94%
58059
89%
**61
100%
Norma URP
<<locked>>
88%
58015
89%
**79
100%
Ramshot Hunter
<<locked>>
89%
58044
89%
**92
100%
Ramshot Magnum
<<locked>>
96%
57885
89%
**99
100%
ReloadSwiss RS 14
<<locked>>
96%
35288
54%
**09
100%
ReloadSwiss RS 60
<<locked>>
85%
58407
90%
**25
100%
ReloadSwiss RS 62
<<locked>>
87%
57870
89%
**86
100%
ReloadSwiss RS 70
<<locked>>
88%
58073
89%
**31
100%
ReloadSwiss RS 76
<<locked>>
97%
49052
75%
**72
100%
ReloadSwiss RS 80
<<locked>>
97%
43555
67%
**28
95%
Rottweil R 903
<<locked>>
84%
58059
89%
**23
100%
Rottweil R 904 👍
<<locked>>
92%
58291
90%
**66
99%
Rottweil R 905 👍
<<locked>>
93%
58436
90%
**12
100%
Rottweil R 907
<<locked>>
86%
58305
90%
**53
100%
SNPE Vectan Tubal 5000
<<locked>>
83%
57943
89%
**02
100%
SNPE Vectan Tubal 7000
<<locked>>
87%
58189
90%
**00
100%
Shooters World Long Rifle
<<locked>>
87%
58334
90%
**36
100%
Somchem S355
<<locked>>
84%
58001
89%
**27
100%
Somchem S361
<<locked>>
91%
58305
90%
**27
99%
Somchem S365
<<locked>>
90%
58146
89%
**69
100%
Somchem S385
<<locked>>
93%
58262
90%
**66
100%
Vihtavuori N135
<<locked>>
85%
58204
90%
**38
100%
Vihtavuori N150
<<locked>>
88%
57798
89%
**77
100%
Vihtavuori N160
<<locked>>
86%
58363
90%
**46
100%
Vihtavuori N165
<<locked>>
97%
55419
85%
**10
100%
Vihtavuori N550
<<locked>>
86%
58117
89%
**79
100%
Vihtavuori N555
<<locked>>
95%
58363
90%
**99
100%
Vihtavuori N560
<<locked>>
95%
57899
89%
**54
99%
Vihtavuori N565
<<locked>>
97%
51648
79%
**30
98%
Vihtavuori N568
<<locked>>
97%
45382
70%
**58
95%
Winchester 6.5 StaBALL
<<locked>>
87%
58073
89%
**00
100%
Winchester 760
<<locked>>
84%
57798
89%
**92
100%
Winchester StaBALL HD
<<locked>>
97%
55883
86%
**58
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
54549
84%
**81
100%
ADI AR 2209
<<locked>>
81%
38319
59%
**61
96%
[ADI AR 2213]*
<<locked>>
81%
33968
52%
**62
92%
[ADI AR 2217]*
<<locked>>
88%
31314
48%
**80
90%
[ADI AR 2225]*
<<locked>>
86%
26411
41%
**65
90%
Accurate 2700
<<locked>>
81%
52707
81%
**15
99%
Accurate 3100
<<locked>>
81%
32648
50%
**90
96%
Accurate 4350
<<locked>>
81%
45208
70%
**72
100%
[Accurate MAGPRO]*
<<locked>>
83%
35447
55%
**12
90%
Alliant Reloder-16
<<locked>>
81%
44251
68%
**99
100%
Alliant Reloder-17
<<locked>>
81%
51982
80%
**23
100%
Alliant Reloder-19
<<locked>>
81%
38101
59%
**48
96%
[Alliant Reloder-22]*
<<locked>>
81%
33736
52%
**66
94%
Alliant Reloder-23
<<locked>>
81%
32082
49%
**30
99%
[Alliant Reloder-25]*
<<locked>>
81%
27702
43%
**21
94%
Alliant Reloder-26
<<locked>>
81%
35592
55%
**64
99%
[Hodgdon H1000]*
<<locked>>
88%
31314
48%
**80
90%
Hodgdon H414
<<locked>>
81%
52547
81%
**13
100%
Hodgdon H4350
<<locked>>
81%
42047
65%
**87
98%
[Hodgdon H4831]*
<<locked>>
82%
32489
50%
**87
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
35723
55%
**69
92%
Hodgdon Hybrid 100V
<<locked>>
81%
41321
64%
**80
100%
Hodgdon LVR
<<locked>>
81%
48457
75%
**41
100%
[Hodgdon Retumbo]*
<<locked>>
86%
26411
41%
**65
90%
Hodgdon Superperformance
<<locked>>
81%
48167
74%
**61
99%
Hodgdon VARGET
<<locked>>
81%
54244
83%
**81
100%
Hodgdon TrailBoss
<<locked>>
81%
27775
43%
**22
100%
IMR 4064
<<locked>>
81%
53432
82%
**61
100%
IMR 4166 Enduron
<<locked>>
81%
52054
80%
**41
100%
IMR 4350
<<locked>>
81%
44324
68%
**26
98%
IMR 4451 Enduron
<<locked>>
81%
50734
78%
**38
100%
IMR 4831
<<locked>>
81%
38899
60%
**38
99%
[IMR 4955 Enduron]*
<<locked>>
81%
35824
55%
**46
92%
[IMR 7828 SSC]*
<<locked>>
81%
34577
53%
**89
92%
[IMR 8133 Enduron]*
<<locked>>
94%
30458
47%
**07
90%
Lovex S065
<<locked>>
81%
47413
73%
**72
100%
Lovex S070
<<locked>>
81%
45585
70%
**59
99%
[Lovex S071]*
<<locked>>
81%
27412
42%
**46
94%
Norma 204
<<locked>>
81%
44512
69%
**62
97%
[Norma 217]*
<<locked>>
91%
26847
41%
**08
90%
Norma MRP
<<locked>>
81%
35360
54%
**35
96%
Norma URP
<<locked>>
81%
45005
69%
**72
100%
Ramshot Hunter
<<locked>>
81%
44135
68%
**69
99%
[Ramshot Magnum]*
<<locked>>
81%
30908
48%
**84
93%
ReloadSwiss RS 14
<<locked>>
81%
28224
43%
**62
100%
ReloadSwiss RS 60
<<locked>>
81%
50154
77%
**13
100%
ReloadSwiss RS 62
<<locked>>
81%
45905
71%
**99
100%
ReloadSwiss RS 70
<<locked>>
81%
44614
69%
**22
100%
[ReloadSwiss RS 76]*
<<locked>>
82%
26977
42%
**11
90%
[ReloadSwiss RS 80]*
<<locked>>
90%
33547
52%
**95
90%
Rottweil R 903
<<locked>>
81%
52721
81%
**58
100%
Rottweil R 904
<<locked>>
81%
39697
61%
**35
95%
Rottweil R 905
<<locked>>
81%
37275
57%
**28
95%
Rottweil R 907
<<locked>>
81%
48849
75%
**05
99%
SNPE Vectan Tubal 5000
<<locked>>
81%
53374
82%
**49
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
46427
71%
**17
99%
Shooters World Long Rifle
<<locked>>
81%
47413
73%
**72
100%
Somchem S355
<<locked>>
81%
52765
81%
**58
100%
[Somchem S361]*
<<locked>>
81%
40292
62%
**21
94%
Somchem S365
<<locked>>
81%
41814
64%
**23
100%
Somchem S385
<<locked>>
81%
37681
58%
**12
97%
Vihtavuori N135
<<locked>>
81%
50995
78%
**49
100%
Vihtavuori N150
<<locked>>
81%
44991
69%
**94
100%
Vihtavuori N160
<<locked>>
81%
48776
75%
**02
100%
[Vihtavuori N165]*
<<locked>>
81%
31328
48%
**44
93%
Vihtavuori N550
<<locked>>
81%
49342
76%
**54
100%
Vihtavuori N555
<<locked>>
81%
35737
55%
**02
99%
[Vihtavuori N560]*
<<locked>>
81%
33779
52%
**79
91%
[Vihtavuori N565]*
<<locked>>
84%
31111
48%
**93
90%
[Vihtavuori N568]*
<<locked>>
90%
34679
53%
**15
90%
Winchester 6.5 StaBALL
<<locked>>
81%
46456
72%
**40
100%
Winchester 760
<<locked>>
81%
52547
81%
**13
100%
Winchester StaBALL HD
<<locked>>
81%
27934
43%
**16
99%

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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