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Load data for .300 Rem. Ultra Mag + .308 | 123gr | Nosler Ballistic Tip

Recommended Powder(s): Alliant Reloder-26, IMR 4831, Ramshot Hunter, Vihtavuori N555, Winchester StaBALL HD

.300 Rem. Ultra Mag + .308 | 123gr | Nosler Ballistic Tip

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 123gr | Nosler Ballistic Tip
Manufacturer SKU:
30131
Bullet Weight:
123gr | 8.0g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.017" | 25.8mm
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:
0.323" | 8.2mm
Shank Seated Depth:
0.221" | 5.6mm
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_B4128_C374
Last updated:
2025-01-01
Recommended Twist Rate:
1:16 - 1:13

Load data for 142 loads in caliber .300 Rem. Ultra Mag with .308 | 123gr | Nosler Ballistic Tip bullet and 71 powders such as Alliant Reloder-26, IMR 4831, Ramshot Hunter, 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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    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.

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%
58479
90%
**71
100%
ADI AR 2209
<<locked>>
94%
58450
90%
**30
98%
ADI AR 2213
<<locked>>
97%
58175
90%
**53
97%
[ADI AR 2217]*
<<locked>>
97%
42366
65%
**15
93%
ADI AR 2225
<<locked>>
97%
37913
58%
**46
95%
Accurate 2700
<<locked>>
85%
58131
89%
**12
99%
Accurate 3100
<<locked>>
97%
58334
90%
**55
100%
Accurate 4350
<<locked>>
88%
58218
90%
**10
100%
Accurate MAGPRO
<<locked>>
97%
58334
90%
**50
96%
Alliant Reloder- TS 15.5
<<locked>>
83%
58030
89%
**71
100%
Alliant Reloder-16
<<locked>>
90%
57885
89%
**50
100%
Alliant Reloder-17
<<locked>>
85%
57986
89%
**53
100%
Alliant Reloder-19
<<locked>>
94%
58073
89%
**27
98%
Alliant Reloder-22
<<locked>>
97%
57928
89%
**43
98%
Alliant Reloder-23
<<locked>>
97%
54737
84%
**74
100%
Alliant Reloder-25
<<locked>>
97%
47630
73%
**92
99%
Alliant Reloder-26 👍
<<locked>>
94%
58001
89%
**92
100%
[Hodgdon H1000]*
<<locked>>
97%
42366
65%
**15
93%
Hodgdon H414
<<locked>>
85%
58146
89%
**33
99%
Hodgdon H4350
<<locked>>
92%
58175
90%
**74
99%
Hodgdon H4831
<<locked>>
97%
53345
82%
**12
95%
Hodgdon H4831 SC
<<locked>>
96%
58349
90%
**94
97%
Hodgdon Hybrid 100V
<<locked>>
92%
58450
90%
**78
100%
Hodgdon LVR
<<locked>>
87%
58117
89%
**20
100%
Hodgdon Retumbo
<<locked>>
97%
37913
58%
**46
95%
Hodgdon Superperformance
<<locked>>
87%
57957
89%
**40
99%
Hodgdon VARGET
<<locked>>
84%
58189
90%
**74
100%
Hodgdon TrailBoss
<<locked>>
97%
35085
54%
**65
100%
IMR 4064
<<locked>>
85%
58131
89%
**61
100%
IMR 4166 Enduron
<<locked>>
85%
57972
89%
**61
99%
IMR 4350
<<locked>>
90%
58262
90%
**78
99%
IMR 4451 Enduron
<<locked>>
86%
58262
90%
**81
99%
IMR 4831 👍
<<locked>>
94%
58450
90%
**94
100%
IMR 4955 Enduron
<<locked>>
96%
58088
89%
**58
97%
IMR 7828 SSC
<<locked>>
96%
58146
89%
**63
97%
Lovex S065
<<locked>>
88%
58160
90%
**64
100%
Lovex S070
<<locked>>
89%
58160
90%
**74
99%
Lovex S071
<<locked>>
97%
48196
74%
**87
98%
Norma 204
<<locked>>
89%
58189
90%
**04
98%
Norma MRP
<<locked>>
95%
57986
89%
**66
99%
Norma URP
<<locked>>
89%
58073
89%
**17
100%
Ramshot Hunter 👍
<<locked>>
90%
58160
90%
**20
100%
Ramshot Magnum
<<locked>>
97%
57696
89%
**01
99%
ReloadSwiss RS 14
<<locked>>
96%
35549
55%
**05
100%
ReloadSwiss RS 60
<<locked>>
86%
57957
89%
**73
100%
ReloadSwiss RS 62
<<locked>>
88%
57870
89%
**17
100%
ReloadSwiss RS 70
<<locked>>
89%
58102
89%
**69
100%
ReloadSwiss RS 76
<<locked>>
97%
47007
72%
**15
98%
Rottweil R 903
<<locked>>
85%
58146
89%
**64
100%
Rottweil R 904
<<locked>>
93%
57899
89%
**71
97%
Rottweil R 905
<<locked>>
95%
58450
90%
**27
98%
Rottweil R 907
<<locked>>
87%
58102
89%
**64
99%
SNPE Vectan SP 11
<<locked>>
83%
57885
89%
**94
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
58218
90%
**46
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
58349
90%
**19
99%
Shooters World Long Rifle
<<locked>>
88%
58160
90%
**64
100%
Somchem S355
<<locked>>
85%
58450
90%
**68
100%
Somchem S361
<<locked>>
92%
58044
89%
**15
97%
Somchem S365
<<locked>>
91%
58204
90%
**10
100%
Somchem S385
<<locked>>
94%
58204
90%
**81
99%
Vihtavuori N135
<<locked>>
86%
58247
90%
**86
100%
Vihtavuori N150
<<locked>>
90%
58276
90%
**19
100%
Vihtavuori N160
<<locked>>
87%
58479
90%
**71
100%
Vihtavuori N165
<<locked>>
97%
53577
82%
**79
98%
Vihtavuori N550
<<locked>>
87%
57957
89%
**04
100%
Vihtavuori N555 👍
<<locked>>
95%
58088
89%
**23
100%
Vihtavuori N560
<<locked>>
97%
58102
89%
**73
97%
Vihtavuori N565
<<locked>>
97%
50024
77%
**89
95%
Winchester 6.5 StaBALL
<<locked>>
88%
57986
89%
**22
100%
Winchester 760
<<locked>>
85%
58146
89%
**33
99%
Winchester StaBALL HD 👍
<<locked>>
97%
51996
80%
**30
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
52750
81%
**92
100%
[ADI AR 2209]*
<<locked>>
81%
37260
57%
**04
92%
[ADI AR 2213]*
<<locked>>
85%
38247
59%
**36
90%
[ADI AR 2217]*
<<locked>>
93%
37710
58%
**87
90%
[ADI AR 2225]*
<<locked>>
92%
31763
49%
**62
90%
Accurate 2700
<<locked>>
81%
51474
79%
**04
98%
[Accurate 3100]*
<<locked>>
81%
32880
51%
**49
93%
Accurate 4350
<<locked>>
81%
44411
68%
**61
99%
[Accurate MAGPRO]*
<<locked>>
88%
42163
65%
**38
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
53911
83%
**09
100%
Alliant Reloder-16
<<locked>>
81%
42467
65%
**71
99%
Alliant Reloder-17
<<locked>>
81%
49632
76%
**22
100%
[Alliant Reloder-19]*
<<locked>>
81%
37101
57%
**97
92%
[Alliant Reloder-22]*
<<locked>>
82%
33634
52%
**35
90%
Alliant Reloder-23
<<locked>>
81%
31575
49%
**85
97%
[Alliant Reloder-25]*
<<locked>>
81%
27992
43%
**64
90%
Alliant Reloder-26
<<locked>>
81%
34664
53%
**13
96%
[Hodgdon H1000]*
<<locked>>
93%
37710
58%
**87
90%
Hodgdon H414
<<locked>>
81%
50662
78%
**92
98%
Hodgdon H4350
<<locked>>
81%
40770
63%
**49
95%
[Hodgdon H4831]*
<<locked>>
87%
38870
60%
**17
90%
[Hodgdon H4831 SC]*
<<locked>>
84%
38870
60%
**17
90%
Hodgdon Hybrid 100V
<<locked>>
81%
40161
62%
**59
99%
Hodgdon LVR
<<locked>>
81%
46905
72%
**23
99%
[Hodgdon Retumbo]*
<<locked>>
92%
31763
49%
**62
90%
Hodgdon Superperformance
<<locked>>
81%
46369
71%
**33
97%
Hodgdon VARGET
<<locked>>
81%
52504
81%
**82
100%
Hodgdon TrailBoss
<<locked>>
81%
27760
43%
**88
100%
IMR 4064
<<locked>>
81%
51735
80%
**63
100%
IMR 4166 Enduron
<<locked>>
81%
50749
78%
**33
98%
IMR 4350
<<locked>>
81%
43091
66%
**92
96%
IMR 4451 Enduron
<<locked>>
81%
49008
75%
**20
98%
IMR 4831
<<locked>>
81%
38421
59%
**27
98%
[IMR 4955 Enduron]*
<<locked>>
84%
38276
59%
**64
90%
[IMR 7828 SSC]*
<<locked>>
84%
38203
59%
**43
90%
Lovex S065
<<locked>>
81%
46441
71%
**64
98%
Lovex S070
<<locked>>
81%
44744
69%
**35
97%
[Lovex S071]*
<<locked>>
81%
27963
43%
**08
90%
[Norma 204]*
<<locked>>
81%
42975
66%
**28
94%
[Norma MRP]*
<<locked>>
81%
34592
53%
**84
92%
Norma URP
<<locked>>
81%
43830
67%
**61
99%
Ramshot Hunter
<<locked>>
81%
42786
66%
**35
97%
[Ramshot Magnum]*
<<locked>>
82%
32372
50%
**56
90%
ReloadSwiss RS 14
<<locked>>
81%
28239
43%
**34
100%
ReloadSwiss RS 60
<<locked>>
81%
47790
74%
**12
100%
ReloadSwiss RS 62
<<locked>>
81%
44498
68%
**74
99%
ReloadSwiss RS 70
<<locked>>
81%
43047
66%
**87
98%
[ReloadSwiss RS 76]*
<<locked>>
87%
32213
50%
**12
90%
Rottweil R 903
<<locked>>
81%
51634
79%
**63
100%
[Rottweil R 904]*
<<locked>>
81%
38508
59%
**84
91%
[Rottweil R 905]*
<<locked>>
81%
36216
56%
**71
92%
Rottweil R 907
<<locked>>
81%
47558
73%
**84
97%
SNPE Vectan SP 11
<<locked>>
81%
53345
82%
**28
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
51735
80%
**61
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
45905
71%
**95
97%
Shooters World Long Rifle
<<locked>>
81%
46441
71%
**64
98%
Somchem S355
<<locked>>
81%
51488
79%
**66
100%
[Somchem S361]*
<<locked>>
81%
39639
61%
**71
91%
Somchem S365
<<locked>>
81%
40437
62%
**05
100%
[Somchem S385]*
<<locked>>
81%
37115
57%
**71
93%
Vihtavuori N135
<<locked>>
81%
49632
76%
**61
100%
Vihtavuori N150
<<locked>>
81%
44048
68%
**92
100%
Vihtavuori N160
<<locked>>
81%
47210
73%
**84
99%
[Vihtavuori N165]*
<<locked>>
82%
31995
49%
**10
90%
Vihtavuori N550
<<locked>>
81%
48037
74%
**43
99%
Vihtavuori N555
<<locked>>
81%
35259
54%
**74
97%
[Vihtavuori N560]*
<<locked>>
85%
38667
60%
**72
90%
[Vihtavuori N565]*
<<locked>>
89%
37898
58%
**20
90%
Winchester 6.5 StaBALL
<<locked>>
81%
44904
69%
**15
100%
Winchester 760
<<locked>>
81%
50662
78%
**92
98%
Winchester StaBALL HD
<<locked>>
81%
26368
41%
**49
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.

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