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

Recommended Powder(s):

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

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 165gr | LOS Hunter Tactic
Bullet Weight:
165gr | 10.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
<<locked>>
Caliber:
.300 Rem. Ultra Mag load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
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_B3527_C374
Last updated:
2026-05-12
Recommended Twist Rate:
1:11 - 1:9

Load data for 144 loads in caliber .300 Rem. Ultra Mag with .308 | 165gr | LOS Hunter Tactic bullet and 72 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 2209 👍
<<locked>>
91%
58436
90%
**15
100%
ADI AR 2213
<<locked>>
94%
58160
90%
**35
99%
ADI AR 2217
<<locked>>
97%
45934
71%
**18
97%
ADI AR 2225
<<locked>>
97%
41133
63%
**79
99%
Accurate 3100
<<locked>>
95%
58088
89%
**43
100%
Accurate 4350
<<locked>>
86%
58001
89%
**66
100%
Accurate MAGPRO
<<locked>>
95%
58479
90%
**41
98%
Alliant Reloder-16
<<locked>>
88%
58392
90%
**15
100%
Alliant Reloder-19 👍
<<locked>>
91%
57783
89%
**02
100%
Alliant Reloder-22 👍
<<locked>>
94%
58001
89%
**31
100%
Alliant Reloder-23
<<locked>>
96%
57827
89%
**86
100%
Alliant Reloder-25
<<locked>>
97%
52489
81%
**72
100%
Alliant Reloder-26
<<locked>>
91%
58392
90%
**58
100%
[Alliant Reloder-33]*
<<locked>>
97%
42873
66%
**05
92%
Baschieri & Pellagri 109
<<locked>>
95%
58088
89%
**69
97%
Bofors RP15
<<locked>>
97%
57740
89%
**31
100%
Bofors RP30
<<locked>>
97%
48443
75%
**94
98%
Bofors RP5 👍
<<locked>>
94%
58001
89%
**31
100%
Bofors RP7
<<locked>>
85%
58450
90%
**46
100%
Hodgdon H1000
<<locked>>
97%
50836
78%
**10
99%
Hodgdon H414
<<locked>>
85%
58421
90%
**02
100%
Hodgdon H4350
<<locked>>
84%
57957
89%
**69
100%
Hodgdon H4831
<<locked>>
93%
58305
90%
**79
99%
Hodgdon H4831 SC
<<locked>>
93%
57885
89%
**79
99%
Hodgdon Hybrid 100V
<<locked>>
89%
58189
90%
**30
100%
Hodgdon Retumbo
<<locked>>
97%
51314
79%
**22
100%
Hodgdon Superperformance
<<locked>>
85%
58479
90%
**25
100%
Hodgdon TrailBoss
<<locked>>
96%
35027
54%
**77
100%
IMR 4350
<<locked>>
88%
57986
89%
**53
100%
IMR 4451 Enduron
<<locked>>
84%
58117
89%
**43
100%
IMR 4831
<<locked>>
88%
58001
89%
**49
100%
IMR 4955 Enduron
<<locked>>
92%
58175
90%
**59
99%
IMR 7828 SSC
<<locked>>
95%
58204
90%
**54
99%
[IMR 7977 Enduron]*
<<locked>>
97%
54128
83%
**31
92%
[IMR 8133 Enduron]*
<<locked>>
97%
36941
57%
**77
94%
Lovex S065
<<locked>>
86%
58320
90%
**33
100%
Lovex S070
<<locked>>
87%
58233
90%
**56
100%
Lovex S071
<<locked>>
97%
52141
80%
**61
100%
Norma 204
<<locked>>
87%
57783
89%
**79
99%
Norma 217
<<locked>>
97%
36825
57%
**97
97%
Norma MRP 👍
<<locked>>
92%
58175
90%
**58
100%
Norma URP
<<locked>>
87%
58073
89%
**76
100%
Ramshot Grand
<<locked>>
95%
57798
89%
**48
99%
Ramshot Hunter
<<locked>>
87%
58030
89%
**89
100%
Ramshot Magnum
<<locked>>
97%
56304
87%
**76
100%
ReloadSwiss RS 14
<<locked>>
97%
36143
56%
**26
100%
ReloadSwiss RS 62
<<locked>>
86%
58073
89%
**86
100%
ReloadSwiss RS 70
<<locked>>
86%
57899
89%
**25
100%
ReloadSwiss RS 76
<<locked>>
97%
52127
80%
**28
100%
ReloadSwiss RS 80
<<locked>>
97%
47282
73%
**97
96%
Rottweil R 904
<<locked>>
91%
58262
90%
**69
99%
Rottweil R 905
<<locked>>
92%
58001
89%
**95
100%
Rottweil R 907
<<locked>>
85%
58450
90%
**46
100%
SNPE Vectan Tubal 7000
<<locked>>
86%
58088
89%
**94
100%
Shooters World Long Rifle
<<locked>>
86%
58320
90%
**33
100%
Somchem S361
<<locked>>
90%
58073
89%
**20
99%
Somchem S365
<<locked>>
88%
57899
89%
**56
100%
Somchem S385
<<locked>>
92%
58015
89%
**63
100%
Vihtavuori N150
<<locked>>
84%
58363
90%
**74
100%
Vihtavuori N160
<<locked>>
86%
58349
90%
**40
100%
Vihtavuori N165
<<locked>>
96%
58276
90%
**46
100%
[Vihtavuori N170]*
<<locked>>
97%
51590
79%
**48
93%
Vihtavuori N550
<<locked>>
86%
57885
89%
**49
100%
Vihtavuori N555
<<locked>>
93%
58233
90%
**92
100%
Vihtavuori N560
<<locked>>
92%
57928
89%
**51
99%
Vihtavuori N565
<<locked>>
97%
54636
84%
**76
99%
Vihtavuori N568
<<locked>>
97%
48008
74%
**97
96%
[Vihtavuori N570]*
<<locked>>
97%
45469
70%
**81
93%
Winchester 6.5 StaBALL
<<locked>>
86%
58146
89%
**94
100%
Winchester 760
<<locked>>
85%
58001
89%
**99
100%
Winchester StaBALL HD
<<locked>>
96%
57435
88%
**68
100%
Winchester Supreme 780
<<locked>>
94%
58276
90%
**59
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
40379
62%
**97
96%
[ADI AR 2213]*
<<locked>>
81%
35926
55%
**08
93%
[ADI AR 2217]*
<<locked>>
86%
31241
48%
**77
90%
[ADI AR 2225]*
<<locked>>
84%
26440
41%
**59
90%
Accurate 3100
<<locked>>
81%
35795
55%
**52
97%
Accurate 4350
<<locked>>
81%
48414
75%
**22
100%
[Accurate MAGPRO]*
<<locked>>
81%
34925
54%
**95
90%
Alliant Reloder-16
<<locked>>
81%
46470
72%
**35
100%
Alliant Reloder-19
<<locked>>
81%
40422
62%
**87
96%
Alliant Reloder-22
<<locked>>
81%
35984
55%
**18
95%
Alliant Reloder-23
<<locked>>
81%
34708
53%
**92
100%
Alliant Reloder-25
<<locked>>
81%
29762
46%
**80
96%
Alliant Reloder-26
<<locked>>
81%
38537
59%
**30
99%
[Alliant Reloder-33]*
<<locked>>
94%
38812
60%
**10
90%
[Baschieri & Pellagri 109]*
<<locked>>
83%
38218
59%
**92
90%
[Bofors RP15]*
<<locked>>
81%
33446
51%
**56
93%
[Bofors RP30]*
<<locked>>
83%
29515
45%
**70
90%
Bofors RP5
<<locked>>
81%
35984
55%
**18
95%
Bofors RP7
<<locked>>
81%
50995
78%
**31
99%
[Hodgdon H1000]*
<<locked>>
82%
29863
46%
**38
90%
Hodgdon H414
<<locked>>
81%
50314
77%
**77
100%
Hodgdon H4350
<<locked>>
81%
53055
82%
**97
99%
[Hodgdon H4831]*
<<locked>>
81%
38421
59%
**25
93%
[Hodgdon H4831 SC]*
<<locked>>
81%
37710
58%
**08
93%
Hodgdon Hybrid 100V
<<locked>>
81%
43627
67%
**13
100%
[Hodgdon Retumbo]*
<<locked>>
81%
29167
45%
**87
91%
Hodgdon Superperformance
<<locked>>
81%
50749
78%
**00
99%
Hodgdon TrailBoss
<<locked>>
81%
28094
43%
**26
100%
IMR 4350
<<locked>>
81%
46311
71%
**59
99%
IMR 4451 Enduron
<<locked>>
81%
52678
81%
**64
100%
IMR 4831
<<locked>>
81%
46021
71%
**72
100%
[IMR 4955 Enduron]*
<<locked>>
81%
40147
62%
**38
94%
[IMR 7828 SSC]*
<<locked>>
81%
34563
53%
**82
92%
[IMR 7977 Enduron]*
<<locked>>
94%
49327
76%
**49
90%
[IMR 8133 Enduron]*
<<locked>>
91%
30414
47%
**00
90%
Lovex S065
<<locked>>
81%
49893
77%
**08
100%
Lovex S070
<<locked>>
81%
48225
74%
**92
99%
Lovex S071
<<locked>>
81%
30356
47%
**21
95%
Norma 204
<<locked>>
81%
46862
72%
**02
98%
[Norma 217]*
<<locked>>
88%
26774
41%
**05
90%
Norma MRP
<<locked>>
81%
38000
58%
**90
97%
Norma URP
<<locked>>
81%
47514
73%
**12
100%
[Ramshot Grand]*
<<locked>>
81%
34098
52%
**85
92%
Ramshot Hunter
<<locked>>
81%
46717
72%
**12
100%
[Ramshot Magnum]*
<<locked>>
81%
30226
47%
**57
93%
ReloadSwiss RS 14
<<locked>>
81%
28660
44%
**65
100%
ReloadSwiss RS 62
<<locked>>
81%
48805
75%
**44
100%
ReloadSwiss RS 70
<<locked>>
81%
47108
72%
**64
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
28108
43%
**51
92%
[ReloadSwiss RS 80]*
<<locked>>
88%
33272
51%
**79
90%
Rottweil R 904
<<locked>>
81%
41669
64%
**77
96%
Rottweil R 905
<<locked>>
81%
39581
61%
**77
96%
Rottweil R 907
<<locked>>
81%
50995
78%
**31
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
48979
75%
**56
99%
Shooters World Long Rifle
<<locked>>
81%
49893
77%
**08
100%
Somchem S361
<<locked>>
81%
42641
66%
**57
95%
Somchem S365
<<locked>>
81%
44382
68%
**62
100%
Somchem S385
<<locked>>
81%
40045
62%
**57
97%
Vihtavuori N150
<<locked>>
81%
53272
82%
**05
100%
Vihtavuori N160
<<locked>>
81%
49095
76%
**12
100%
Vihtavuori N165
<<locked>>
81%
34751
53%
**23
95%
[Vihtavuori N170]*
<<locked>>
92%
43279
67%
**03
90%
Vihtavuori N550
<<locked>>
81%
48298
74%
**08
100%
Vihtavuori N555
<<locked>>
81%
38682
60%
**67
100%
[Vihtavuori N560]*
<<locked>>
81%
38145
59%
**80
93%
[Vihtavuori N565]*
<<locked>>
81%
31125
48%
**87
90%
[Vihtavuori N568]*
<<locked>>
88%
34911
54%
**18
90%
[Vihtavuori N570]*
<<locked>>
93%
39798
61%
**62
90%
Winchester 6.5 StaBALL
<<locked>>
81%
48573
75%
**59
100%
Winchester 760
<<locked>>
81%
50691
78%
**77
100%
Winchester StaBALL HD
<<locked>>
81%
30864
48%
**98
100%
Winchester Supreme 780
<<locked>>
81%
36811
57%
**72
95%

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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