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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:
2026-03-27
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%
45934
71%
**18
97%
Hodgdon H4350
<<locked>>
89%
57928
89%
**53
100%
Hodgdon H4831
<<locked>>
97%
58305
90%
**79
99%
Hodgdon H4831 SC
<<locked>>
93%
57885
89%
**79
99%
Hodgdon Hybrid 100V
<<locked>>
89%
58189
90%
**30
100%
Hodgdon LVR
<<locked>>
85%
57928
89%
**76
100%
Hodgdon Retumbo
<<locked>>
97%
41133
63%
**79
99%
Hodgdon Superperformance
<<locked>>
85%
58479
90%
**25
100%
Hodgdon TrailBoss
<<locked>>
96%
35027
54%
**77
100%
IMR 4166 Enduron
<<locked>>
83%
57957
89%
**27
100%
IMR 4350
<<locked>>
88%
57986
89%
**53
100%
IMR 4451 Enduron
<<locked>>
84%
58117
89%
**43
100%
IMR 4831
<<locked>>
91%
58421
90%
**53
100%
IMR 4955 Enduron
<<locked>>
94%
58175
90%
**59
99%
IMR 7828 SSC
<<locked>>
93%
57870
89%
**41
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>>
91%
58276
90%
**61
99%
Ramshot Hunter
<<locked>>
87%
58030
89%
**89
100%
Ramshot Magnum
<<locked>>
94%
57870
89%
**02
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 N135
<<locked>>
84%
57899
89%
**31
100%
Vihtavuori N150
<<locked>>
87%
57754
89%
**71
100%
Vihtavuori N160
<<locked>>
85%
58247
90%
**43
100%
Vihtavuori N165
<<locked>>
97%
58073
89%
**46
100%
Vihtavuori N550
<<locked>>
84%
57928
89%
**79
100%
Vihtavuori N555
<<locked>>
93%
58233
90%
**92
100%
Vihtavuori N560
<<locked>>
94%
58175
90%
**61
99%
Vihtavuori N565
<<locked>>
97%
54636
84%
**76
99%
Vihtavuori N568
<<locked>>
97%
48008
74%
**97
96%
[Vihtavuori N570]*
<<locked>>
97%
45716
70%
**77
93%
Winchester 6.5 StaBALL
<<locked>>
86%
58146
89%
**94
100%
Winchester StaBALL HD
<<locked>>
96%
57435
88%
**68
100%
Winchester Supreme 780
<<locked>>
91%
57957
89%
**49
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>>
86%
31241
48%
**77
90%
Hodgdon H4350
<<locked>>
81%
44237
68%
**23
98%
[Hodgdon H4831]*
<<locked>>
81%
33649
52%
**16
91%
[Hodgdon H4831 SC]*
<<locked>>
81%
37710
58%
**08
93%
Hodgdon Hybrid 100V
<<locked>>
81%
43627
67%
**13
100%
Hodgdon LVR
<<locked>>
81%
51024
79%
**77
100%
[Hodgdon Retumbo]*
<<locked>>
84%
26440
41%
**59
90%
Hodgdon Superperformance
<<locked>>
81%
50749
78%
**00
99%
Hodgdon TrailBoss
<<locked>>
81%
28094
43%
**26
100%
IMR 4166 Enduron
<<locked>>
81%
54230
83%
**64
100%
IMR 4350
<<locked>>
81%
46311
71%
**59
99%
IMR 4451 Enduron
<<locked>>
81%
52678
81%
**64
100%
IMR 4831
<<locked>>
81%
41568
64%
**84
100%
[IMR 4955 Enduron]*
<<locked>>
81%
37971
58%
**85
93%
[IMR 7828 SSC]*
<<locked>>
81%
36898
57%
**51
94%
[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%
38305
59%
**90
95%
Ramshot Hunter
<<locked>>
81%
46717
72%
**12
100%
Ramshot Magnum
<<locked>>
81%
33518
52%
**46
95%
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 N135
<<locked>>
81%
53461
82%
**72
100%
Vihtavuori N150
<<locked>>
81%
47514
73%
**30
100%
Vihtavuori N160
<<locked>>
81%
51329
79%
**38
100%
Vihtavuori N165
<<locked>>
81%
33707
52%
**00
95%
Vihtavuori N550
<<locked>>
81%
51677
80%
**77
100%
Vihtavuori N555
<<locked>>
81%
38682
60%
**67
100%
[Vihtavuori N560]*
<<locked>>
81%
36042
55%
**35
92%
[Vihtavuori N565]*
<<locked>>
81%
31125
48%
**87
90%
[Vihtavuori N568]*
<<locked>>
88%
34911
54%
**18
90%
[Vihtavuori N570]*
<<locked>>
93%
39943
61%
**56
90%
Winchester 6.5 StaBALL
<<locked>>
81%
48573
75%
**59
100%
Winchester StaBALL HD
<<locked>>
81%
30864
48%
**98
100%
Winchester Supreme 780
<<locked>>
81%
40422
62%
**57
96%

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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