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

Recommended Powder(s): Alliant Reloder-16, Norma URP, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70

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

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 123gr | Nosler Expansion Tip
Manufacturer SKU:
59387
Bullet Weight:
123gr | 8.0g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.363" | 34.6mm
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:
0.669" | 17.0mm
Shank Seated Depth:
0.567" | 14.4mm
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_B4129_C374
Last updated:
2025-01-01
Recommended Twist Rate:
1:10 - 1:9

Load data for 154 loads in caliber .300 Rem. Ultra Mag with .308 | 123gr | Nosler Expansion Tip bullet and 77 powders such as Alliant Reloder-16, Norma URP, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70. 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>>
86%
58073
89%
**71
100%
ADI AR 2209
<<locked>>
96%
58218
90%
**33
98%
ADI AR 2213
<<locked>>
97%
53679
83%
**74
96%
Accurate 2700
<<locked>>
86%
58175
90%
**09
99%
Accurate 3100
<<locked>>
97%
53156
82%
**82
99%
Accurate 4064
<<locked>>
84%
57899
89%
**28
100%
Accurate 4350
<<locked>>
91%
58189
90%
**04
100%
[Accurate MAGPRO]*
<<locked>>
97%
53142
82%
**64
94%
Alliant Reloder- TS 15.5
<<locked>>
85%
58305
90%
**78
100%
Alliant Reloder-15
<<locked>>
83%
58392
90%
**10
100%
Alliant Reloder-16 👍
<<locked>>
92%
57972
89%
**56
100%
Alliant Reloder-17
<<locked>>
87%
57957
89%
**53
100%
Alliant Reloder-19
<<locked>>
96%
58175
90%
**27
98%
Alliant Reloder-22
<<locked>>
97%
53084
82%
**68
97%
Alliant Reloder-23
<<locked>>
97%
50401
78%
**19
100%
Alliant Reloder-25
<<locked>>
97%
43410
67%
**00
98%
Alliant Reloder-26
<<locked>>
96%
58073
89%
**99
100%
Hodgdon H380
<<locked>>
85%
58233
90%
**84
100%
Hodgdon H414
<<locked>>
87%
58291
90%
**23
99%
Hodgdon H4350
<<locked>>
94%
58073
89%
**71
99%
[Hodgdon H4831]*
<<locked>>
97%
49385
76%
**40
94%
Hodgdon H4831 SC
<<locked>>
97%
56376
87%
**61
96%
Hodgdon Hybrid 100V
<<locked>>
94%
58059
89%
**68
100%
Hodgdon LVR
<<locked>>
89%
58305
90%
**23
100%
Hodgdon Superperformance
<<locked>>
89%
57856
89%
**33
99%
Hodgdon VARGET
<<locked>>
86%
58073
89%
**71
100%
Hodgdon TrailBoss
<<locked>>
97%
34751
53%
**36
100%
IMR 4064
<<locked>>
87%
58262
90%
**64
100%
IMR 4166 Enduron
<<locked>>
87%
58015
89%
**51
99%
IMR 4350
<<locked>>
92%
58421
90%
**71
99%
IMR 4451 Enduron
<<locked>>
88%
58030
89%
**64
99%
IMR 4831
<<locked>>
96%
58102
89%
**87
100%
IMR 4955 Enduron
<<locked>>
97%
54810
84%
**09
96%
IMR 7828 SSC
<<locked>>
97%
55637
86%
**10
96%
Lovex S062
<<locked>>
84%
58276
90%
**58
100%
Lovex S065
<<locked>>
90%
57798
89%
**58
100%
Lovex S070
<<locked>>
91%
58436
90%
**81
99%
Lovex S071
<<locked>>
97%
44396
68%
**25
97%
Norma 203B
<<locked>>
84%
58349
90%
**91
100%
Norma 204
<<locked>>
91%
57914
89%
**04
98%
Norma MRP
<<locked>>
97%
56536
87%
**53
99%
Norma URP 👍
<<locked>>
92%
58073
89%
**10
100%
Ramshot Hunter 👍
<<locked>>
92%
58305
90%
**30
100%
Ramshot Magnum
<<locked>>
97%
52533
81%
**25
98%
ReloadSwiss RS 14
<<locked>>
97%
35404
54%
**85
100%
ReloadSwiss RS 50
<<locked>>
84%
57928
89%
**64
99%
ReloadSwiss RS 60
<<locked>>
89%
58436
90%
**79
100%
ReloadSwiss RS 62 👍
<<locked>>
91%
58117
89%
**17
100%
ReloadSwiss RS 70 👍
<<locked>>
91%
58363
90%
**83
100%
ReloadSwiss RS 76
<<locked>>
97%
42917
66%
**17
96%
Rottweil R 902
<<locked>>
83%
58421
90%
**48
100%
Rottweil R 903
<<locked>>
86%
58030
89%
**64
100%
Rottweil R 904
<<locked>>
95%
57957
89%
**64
97%
Rottweil R 905
<<locked>>
97%
58262
90%
**14
98%
Rottweil R 907
<<locked>>
89%
58320
90%
**61
99%
SNPE Vectan SP 11
<<locked>>
86%
58044
89%
**01
100%
SNPE Vectan Tubal 5000
<<locked>>
86%
58102
89%
**43
100%
SNPE Vectan Tubal 7000
<<locked>>
90%
58059
89%
**09
99%
Shooters World Long Rifle
<<locked>>
90%
57798
89%
**58
100%
Shooters World Precision
<<locked>>
84%
58276
90%
**58
100%
Somchem S355
<<locked>>
87%
58218
90%
**74
100%
Somchem S361
<<locked>>
94%
57899
89%
**19
96%
Somchem S365
<<locked>>
93%
57769
89%
**04
100%
Somchem S385
<<locked>>
97%
58436
90%
**87
99%
Vihtavuori N133
<<locked>>
83%
58160
90%
**50
100%
Vihtavuori N135
<<locked>>
88%
58146
89%
**89
100%
Vihtavuori N140
<<locked>>
83%
57972
89%
**92
100%
Vihtavuori N150
<<locked>>
92%
58276
90%
**15
100%
Vihtavuori N160
<<locked>>
89%
57740
89%
**61
100%
Vihtavuori N165
<<locked>>
97%
49443
76%
**14
97%
Vihtavuori N550
<<locked>>
89%
58030
89%
**14
100%
Vihtavuori N555
<<locked>>
97%
56231
87%
**94
100%
Vihtavuori N560
<<locked>>
97%
53476
82%
**91
95%
[Vihtavuori N565]*
<<locked>>
97%
45542
70%
**10
93%
Winchester 6.5 StaBALL
<<locked>>
90%
58305
90%
**25
100%
Winchester 760
<<locked>>
87%
58291
90%
**23
99%
Winchester StaBALL HD
<<locked>>
97%
45963
71%
**55
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
49893
77%
**40
100%
[ADI AR 2209]*
<<locked>>
82%
35404
54%
**54
90%
[ADI AR 2213]*
<<locked>>
88%
39639
61%
**63
90%
Accurate 2700
<<locked>>
81%
48298
74%
**35
97%
[Accurate 3100]*
<<locked>>
81%
30139
46%
**74
91%
Accurate 4064
<<locked>>
81%
52968
82%
**56
100%
Accurate 4350
<<locked>>
81%
40988
63%
**99
98%
[Accurate MAGPRO]*
<<locked>>
92%
43453
67%
**71
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
50517
78%
**63
100%
Alliant Reloder-15
<<locked>>
81%
53983
83%
**38
100%
Alliant Reloder-16
<<locked>>
81%
39334
61%
**02
98%
Alliant Reloder-17
<<locked>>
81%
45658
70%
**50
100%
[Alliant Reloder-19]*
<<locked>>
82%
35418
55%
**51
90%
[Alliant Reloder-22]*
<<locked>>
85%
34853
54%
**71
90%
Alliant Reloder-23
<<locked>>
81%
29037
45%
**20
95%
[Alliant Reloder-25]*
<<locked>>
84%
28616
44%
**87
90%
[Alliant Reloder-26]*
<<locked>>
81%
31517
48%
**35
94%
Hodgdon H380
<<locked>>
81%
51503
79%
**76
99%
Hodgdon H414
<<locked>>
81%
46978
72%
**30
97%
[Hodgdon H4350]*
<<locked>>
81%
38014
59%
**84
93%
[Hodgdon H4831]*
<<locked>>
91%
40059
62%
**40
90%
[Hodgdon H4831 SC]*
<<locked>>
87%
40176
62%
**36
90%
Hodgdon Hybrid 100V
<<locked>>
81%
36912
57%
**87
98%
Hodgdon LVR
<<locked>>
81%
43758
67%
**58
98%
Hodgdon Superperformance
<<locked>>
81%
42569
66%
**58
95%
Hodgdon VARGET
<<locked>>
81%
49371
76%
**30
100%
Hodgdon TrailBoss
<<locked>>
81%
27441
42%
**65
100%
IMR 4064
<<locked>>
81%
48718
75%
**04
100%
IMR 4166 Enduron
<<locked>>
81%
47645
73%
**71
97%
[IMR 4350]*
<<locked>>
81%
40045
62%
**23
94%
IMR 4451 Enduron
<<locked>>
81%
46166
71%
**54
97%
IMR 4831
<<locked>>
81%
35273
54%
**44
96%
[IMR 4955 Enduron]*
<<locked>>
87%
39392
61%
**94
90%
[IMR 7828 SSC]*
<<locked>>
87%
39160
60%
**72
90%
Lovex S062
<<locked>>
81%
52736
81%
**66
100%
Lovex S065
<<locked>>
81%
43468
67%
**92
97%
Lovex S070
<<locked>>
81%
41843
64%
**79
96%
[Lovex S071]*
<<locked>>
84%
28398
44%
**21
90%
Norma 203B
<<locked>>
81%
53490
82%
**25
100%
[Norma 204]*
<<locked>>
81%
40030
62%
**53
92%
[Norma MRP]*
<<locked>>
81%
32024
49%
**12
90%
Norma URP
<<locked>>
81%
40567
62%
**99
98%
Ramshot Hunter
<<locked>>
81%
39624
61%
**72
96%
[Ramshot Magnum]*
<<locked>>
86%
33620
52%
**92
90%
ReloadSwiss RS 14
<<locked>>
81%
28123
43%
**14
100%
ReloadSwiss RS 50
<<locked>>
81%
51547
79%
**59
98%
ReloadSwiss RS 60
<<locked>>
81%
44063
68%
**50
100%
ReloadSwiss RS 62
<<locked>>
81%
40901
63%
**05
98%
ReloadSwiss RS 70
<<locked>>
81%
39827
61%
**22
97%
[ReloadSwiss RS 76]*
<<locked>>
90%
33098
51%
**38
90%
Rottweil R 902
<<locked>>
81%
54679
84%
**82
100%
Rottweil R 903
<<locked>>
81%
48196
74%
**14
100%
[Rottweil R 904]*
<<locked>>
83%
38058
59%
**74
90%
[Rottweil R 905]*
<<locked>>
82%
34664
53%
**35
90%
Rottweil R 907
<<locked>>
81%
44744
69%
**15
96%
SNPE Vectan SP 11
<<locked>>
81%
49661
76%
**66
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
49124
76%
**12
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
42830
66%
**30
96%
Shooters World Long Rifle
<<locked>>
81%
43468
67%
**92
97%
Shooters World Precision
<<locked>>
81%
52736
81%
**66
100%
Somchem S355
<<locked>>
81%
48138
74%
**00
100%
[Somchem S361]*
<<locked>>
83%
39943
61%
**67
90%
Somchem S365
<<locked>>
81%
36840
57%
**33
99%
[Somchem S385]*
<<locked>>
81%
34229
53%
**95
91%
Vihtavuori N133
<<locked>>
81%
54389
84%
**00
100%
Vihtavuori N135
<<locked>>
81%
46659
72%
**15
100%
Vihtavuori N140
<<locked>>
81%
54186
83%
**40
100%
Vihtavuori N150
<<locked>>
81%
41336
64%
**36
100%
Vihtavuori N160
<<locked>>
81%
43903
68%
**28
98%
[Vihtavuori N165]*
<<locked>>
85%
32938
51%
**40
90%
Vihtavuori N550
<<locked>>
81%
44353
68%
**71
98%
Vihtavuori N555
<<locked>>
81%
32155
49%
**08
95%
[Vihtavuori N560]*
<<locked>>
88%
39639
61%
**02
90%
[Vihtavuori N565]*
<<locked>>
92%
38595
59%
**49
90%
Winchester 6.5 StaBALL
<<locked>>
81%
41611
64%
**46
100%
Winchester 760
<<locked>>
81%
46978
72%
**30
97%
[Winchester StaBALL HD]*
<<locked>>
81%
25933
40%
**54
93%

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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