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Load data for .300 Rem. Ultra Mag + .308 | 150gr | Nosler CT FailSafe

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Alliant Reloder-22, Alliant Reloder-25, Norma MRP

.300 Rem. Ultra Mag + .308 | 150gr | Nosler CT FailSafe

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 150gr | Nosler CT FailSafe
Manufacturer SKU:
53170
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.120" | 28.4mm
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:
0.426" | 10.8mm
Shank Seated Depth:
0.426" | 10.8mm
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_B4084_C374
Last updated:
2025-01-01

Load data for 116 loads in caliber .300 Rem. Ultra Mag with .308 | 150gr | Nosler CT FailSafe bullet and 58 powders such as ADI AR 2209, Alliant Reloder-19, Alliant Reloder-22, Alliant Reloder-25, Norma MRP. 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>>
90%
58392
90%
**14
99%
ADI AR 2213
<<locked>>
93%
58407
90%
**40
99%
ADI AR 2217
<<locked>>
97%
49632
76%
**72
97%
ADI AR 2225
<<locked>>
97%
45165
70%
**53
99%
Accurate 3100
<<locked>>
92%
58450
90%
**45
100%
Accurate 4350
<<locked>>
84%
57653
89%
**64
100%
Accurate MAGPRO
<<locked>>
92%
58088
89%
**30
97%
Alliant Reloder-16
<<locked>>
86%
57725
89%
**17
100%
Alliant Reloder-19 👍
<<locked>>
90%
58030
89%
**04
99%
Alliant Reloder-22 👍
<<locked>>
92%
58320
90%
**36
100%
Alliant Reloder-23
<<locked>>
94%
57957
89%
**77
100%
Alliant Reloder-25 👍
<<locked>>
97%
56376
87%
**23
100%
Alliant Reloder-26
<<locked>>
89%
58291
90%
**66
100%
[Alliant Reloder-33]*
<<locked>>
97%
47268
73%
**79
93%
Hodgdon H1000
<<locked>>
97%
49632
76%
**72
97%
Hodgdon H4350
<<locked>>
88%
58421
90%
**61
100%
Hodgdon H4831
<<locked>>
95%
58262
90%
**87
98%
Hodgdon H4831 SC
<<locked>>
91%
58262
90%
**87
98%
Hodgdon Hybrid 100V
<<locked>>
88%
58291
90%
**28
100%
Hodgdon Retumbo
<<locked>>
97%
45165
70%
**53
99%
Hodgdon TrailBoss
<<locked>>
97%
35911
55%
**88
100%
IMR 4350
<<locked>>
86%
58363
90%
**54
100%
IMR 4831
<<locked>>
89%
58102
89%
**54
100%
IMR 4955 Enduron
<<locked>>
93%
58276
90%
**51
98%
IMR 7828 SSC
<<locked>>
92%
58247
90%
**50
99%
[IMR 7977 Enduron]*
<<locked>>
97%
57551
89%
**76
92%
IMR 8133 Enduron
<<locked>>
97%
40959
63%
**44
95%
Lovex S065
<<locked>>
84%
58421
90%
**41
100%
Lovex S070
<<locked>>
85%
57725
89%
**48
100%
Lovex S071
<<locked>>
97%
57435
88%
**25
100%
Norma 204
<<locked>>
85%
57841
89%
**81
99%
Norma 217
<<locked>>
97%
41568
64%
**84
98%
Norma MRP 👍
<<locked>>
90%
58015
89%
**50
100%
Norma URP
<<locked>>
85%
57769
89%
**77
100%
Ramshot Hunter
<<locked>>
86%
58291
90%
**97
100%
Ramshot Magnum
<<locked>>
93%
58073
89%
**00
100%
ReloadSwiss RS 14
<<locked>>
96%
36376
56%
**24
100%
ReloadSwiss RS 62
<<locked>>
84%
58117
89%
**81
100%
ReloadSwiss RS 70
<<locked>>
85%
57841
89%
**36
100%
ReloadSwiss RS 76
<<locked>>
97%
56391
87%
**89
100%
ReloadSwiss RS 80
<<locked>>
97%
52199
80%
**71
97%
Rottweil R 904
<<locked>>
89%
58131
89%
**61
99%
Rottweil R 905
<<locked>>
90%
58407
90%
**97
99%
Rottweil R 907
<<locked>>
83%
58363
90%
**51
100%
SNPE Vectan Tubal 7000
<<locked>>
84%
58030
89%
**89
100%
Shooters World Long Rifle
<<locked>>
84%
58421
90%
**41
100%
Somchem S361
<<locked>>
88%
58146
89%
**22
98%
Somchem S365
<<locked>>
87%
58407
90%
**71
100%
Somchem S385
<<locked>>
90%
58117
89%
**58
100%
Vihtavuori N150
<<locked>>
85%
58044
89%
**82
100%
Vihtavuori N165
<<locked>>
95%
58160
90%
**45
100%
Vihtavuori N555
<<locked>>
90%
57783
89%
**77
100%
Vihtavuori N560
<<locked>>
92%
58407
90%
**59
98%
Vihtavuori N565
<<locked>>
96%
58363
90%
**20
99%
Vihtavuori N568
<<locked>>
97%
52620
81%
**68
96%
[Vihtavuori N570]*
<<locked>>
97%
50270
77%
**58
94%
Winchester 6.5 StaBALL
<<locked>>
84%
58131
89%
**92
100%
Winchester StaBALL HD
<<locked>>
94%
57783
89%
**82
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
43700
67%
**54
97%
[ADI AR 2213]*
<<locked>>
81%
39218
60%
**76
93%
[ADI AR 2217]*
<<locked>>
84%
32503
50%
**82
90%
[ADI AR 2225]*
<<locked>>
82%
27746
43%
**77
90%
Accurate 3100
<<locked>>
81%
40350
62%
**30
98%
Accurate 4350
<<locked>>
81%
53055
82%
**92
100%
[Accurate MAGPRO]*
<<locked>>
81%
38856
60%
**69
91%
Alliant Reloder-16
<<locked>>
81%
49574
76%
**92
100%
Alliant Reloder-19
<<locked>>
81%
43874
68%
**48
97%
Alliant Reloder-22
<<locked>>
81%
39697
61%
**85
95%
Alliant Reloder-23
<<locked>>
81%
38363
59%
**56
100%
Alliant Reloder-25
<<locked>>
81%
33301
51%
**57
97%
Alliant Reloder-26
<<locked>>
81%
43062
66%
**13
100%
[Alliant Reloder-33]*
<<locked>>
93%
41104
63%
**41
90%
[Hodgdon H1000]*
<<locked>>
84%
32503
50%
**82
90%
Hodgdon H4350
<<locked>>
81%
47355
73%
**77
98%
[Hodgdon H4831]*
<<locked>>
81%
36927
57%
**74
92%
[Hodgdon H4831 SC]*
<<locked>>
81%
41118
63%
**69
94%
Hodgdon Hybrid 100V
<<locked>>
81%
47268
73%
**67
100%
[Hodgdon Retumbo]*
<<locked>>
82%
27746
43%
**77
90%
Hodgdon TrailBoss
<<locked>>
81%
28456
44%
**21
100%
IMR 4350
<<locked>>
81%
49501
76%
**17
99%
IMR 4831
<<locked>>
81%
45208
70%
**51
100%
[IMR 4955 Enduron]*
<<locked>>
81%
40799
63%
**30
94%
[IMR 7828 SSC]*
<<locked>>
81%
40205
62%
**02
94%
[IMR 7977 Enduron]*
<<locked>>
93%
51358
79%
**77
90%
[IMR 8133 Enduron]*
<<locked>>
89%
31821
49%
**12
90%
Lovex S065
<<locked>>
81%
53548
82%
**66
100%
Lovex S070
<<locked>>
81%
51677
80%
**46
99%
Lovex S071
<<locked>>
81%
34896
54%
**08
96%
Norma 204
<<locked>>
81%
50053
77%
**49
98%
[Norma 217]*
<<locked>>
85%
27775
43%
**07
90%
Norma MRP
<<locked>>
81%
41829
64%
**67
98%
Norma URP
<<locked>>
81%
51097
79%
**69
100%
Ramshot Hunter
<<locked>>
81%
50038
77%
**66
100%
Ramshot Magnum
<<locked>>
81%
37362
58%
**20
96%
ReloadSwiss RS 14
<<locked>>
81%
29283
45%
**67
100%
ReloadSwiss RS 62
<<locked>>
81%
52852
81%
**02
100%
ReloadSwiss RS 70
<<locked>>
81%
50850
78%
**18
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
31995
49%
**44
94%
[ReloadSwiss RS 80]*
<<locked>>
86%
35099
54%
**97
90%
Rottweil R 904
<<locked>>
81%
44788
69%
**22
96%
Rottweil R 905
<<locked>>
81%
43192
66%
**31
97%
Rottweil R 907
<<locked>>
81%
54288
84%
**79
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
52373
81%
**10
100%
Shooters World Long Rifle
<<locked>>
81%
53548
82%
**66
100%
Somchem S361
<<locked>>
81%
46238
71%
**12
95%
Somchem S365
<<locked>>
81%
48472
75%
**30
100%
Somchem S385
<<locked>>
81%
44005
68%
**18
98%
Vihtavuori N150
<<locked>>
81%
50879
78%
**71
100%
Vihtavuori N165
<<locked>>
81%
37014
57%
**54
95%
Vihtavuori N555
<<locked>>
81%
43163
66%
**44
100%
[Vihtavuori N560]*
<<locked>>
81%
39798
61%
**08
93%
[Vihtavuori N565]*
<<locked>>
81%
34780
54%
**64
91%
[Vihtavuori N568]*
<<locked>>
86%
36419
56%
**33
90%
[Vihtavuori N570]*
<<locked>>
92%
42351
65%
**84
90%
Winchester 6.5 StaBALL
<<locked>>
81%
51895
80%
**04
100%
Winchester StaBALL HD
<<locked>>
81%
34998
54%
**82
100%

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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