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Load data for .300 Rem. Ultra Mag + .307 | 150gr | Rhino Penetrator

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Norma MRP, Rottweil R 904, Rottweil R 905

.300 Rem. Ultra Mag + .307 | 150gr | Rhino Penetrator

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.307 | 150gr | Rhino Penetrator
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.307" | 7.80mm
Bullet Length:
1.205" | 30.6mm
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:
0.511" | 13.0mm
Shank Seated Depth:
0.511" | 13.0mm
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_B5302_C374
Last updated:
2025-01-01

Load data for 128 loads in caliber .300 Rem. Ultra Mag with .307 | 150gr | Rhino Penetrator bullet and 64 powders such as ADI AR 2209, Alliant Reloder-19, Norma MRP, Rottweil R 904, Rottweil R 905. 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%
57827
89%
**07
99%
ADI AR 2213
<<locked>>
94%
58218
90%
**46
99%
ADI AR 2217
<<locked>>
97%
46543
72%
**30
97%
ADI AR 2225
<<locked>>
97%
41989
65%
**81
98%
Accurate 3100
<<locked>>
94%
58450
90%
**48
100%
Accurate 4350
<<locked>>
86%
58247
90%
**74
100%
Accurate MAGPRO
<<locked>>
94%
58175
90%
**46
97%
Alliant Reloder-16
<<locked>>
87%
57957
89%
**27
100%
Alliant Reloder-19 👍
<<locked>>
92%
58465
90%
**10
99%
Alliant Reloder-22
<<locked>>
94%
58334
90%
**36
99%
Alliant Reloder-23
<<locked>>
96%
58276
90%
**87
100%
Alliant Reloder-25
<<locked>>
97%
52953
81%
**71
100%
Alliant Reloder-26
<<locked>>
91%
58175
90%
**63
100%
Hodgdon H1000
<<locked>>
97%
46543
72%
**30
97%
Hodgdon H4350
<<locked>>
89%
57870
89%
**51
100%
Hodgdon H4831
<<locked>>
97%
58262
90%
**84
98%
Hodgdon H4831 SC
<<locked>>
93%
58262
90%
**84
98%
Hodgdon Hybrid 100V
<<locked>>
89%
58015
89%
**31
100%
Hodgdon LVR
<<locked>>
85%
58479
90%
**87
100%
Hodgdon Retumbo
<<locked>>
97%
41989
65%
**81
98%
Hodgdon Superperformance
<<locked>>
84%
58479
90%
**20
100%
Hodgdon TrailBoss
<<locked>>
97%
35346
54%
**75
100%
IMR 4166 Enduron
<<locked>>
83%
57783
89%
**28
100%
IMR 4350
<<locked>>
88%
58363
90%
**54
100%
IMR 4451 Enduron
<<locked>>
84%
58088
89%
**48
100%
IMR 4831
<<locked>>
91%
57986
89%
**61
100%
IMR 4955 Enduron
<<locked>>
94%
58233
90%
**54
98%
IMR 7828 SSC
<<locked>>
93%
57856
89%
**53
99%
[IMR 8133 Enduron]*
<<locked>>
97%
37637
58%
**76
93%
Lovex S065
<<locked>>
86%
58247
90%
**41
100%
Lovex S070
<<locked>>
87%
58421
90%
**58
100%
Lovex S071
<<locked>>
97%
53026
82%
**72
100%
Norma 204
<<locked>>
87%
58044
89%
**97
99%
Norma 217
<<locked>>
97%
37724
58%
**95
96%
Norma MRP 👍
<<locked>>
92%
58378
90%
**63
100%
Norma URP
<<locked>>
87%
57943
89%
**77
100%
Ramshot Hunter
<<locked>>
87%
58146
89%
**94
100%
Ramshot Magnum
<<locked>>
94%
58015
89%
**97
100%
ReloadSwiss RS 14
<<locked>>
96%
35940
55%
**14
100%
ReloadSwiss RS 60
<<locked>>
84%
58102
89%
**36
100%
ReloadSwiss RS 62
<<locked>>
86%
58131
89%
**87
100%
ReloadSwiss RS 70
<<locked>>
87%
58465
90%
**50
100%
ReloadSwiss RS 76
<<locked>>
97%
52388
81%
**20
100%
ReloadSwiss RS 80
<<locked>>
97%
47732
73%
**95
96%
Rottweil R 904 👍
<<locked>>
91%
58465
90%
**74
99%
Rottweil R 905 👍
<<locked>>
92%
58291
90%
**14
99%
Rottweil R 907
<<locked>>
85%
57885
89%
**51
100%
SNPE Vectan Tubal 7000
<<locked>>
86%
57986
89%
**92
100%
Shooters World Long Rifle
<<locked>>
86%
58247
90%
**41
100%
Somchem S361
<<locked>>
90%
58088
89%
**22
98%
Somchem S365
<<locked>>
88%
58392
90%
**74
100%
Somchem S385
<<locked>>
91%
58030
89%
**68
100%
Vihtavuori N135
<<locked>>
84%
58349
90%
**46
100%
Vihtavuori N150
<<locked>>
87%
58320
90%
**95
100%
Vihtavuori N160
<<locked>>
84%
58102
89%
**41
100%
Vihtavuori N165
<<locked>>
96%
58015
89%
**38
100%
Vihtavuori N550
<<locked>>
84%
58218
90%
**91
100%
Vihtavuori N555
<<locked>>
92%
57682
89%
**84
100%
Vihtavuori N560
<<locked>>
94%
58131
89%
**56
98%
Vihtavuori N565
<<locked>>
97%
55506
85%
**81
98%
Vihtavuori N568
<<locked>>
97%
48747
75%
**02
95%
[Vihtavuori N570]*
<<locked>>
97%
46296
71%
**82
92%
Winchester 6.5 StaBALL
<<locked>>
86%
58334
90%
**99
100%
Winchester StaBALL HD
<<locked>>
96%
57972
89%
**86
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
40828
63%
**95
96%
[ADI AR 2213]*
<<locked>>
81%
36593
56%
**13
92%
[ADI AR 2217]*
<<locked>>
87%
32822
51%
**98
90%
[ADI AR 2225]*
<<locked>>
85%
27978
43%
**90
90%
Accurate 3100
<<locked>>
81%
36738
57%
**64
97%
Accurate 4350
<<locked>>
81%
49168
76%
**43
100%
[Accurate MAGPRO]*
<<locked>>
82%
37594
58%
**46
90%
Alliant Reloder-16
<<locked>>
81%
46746
72%
**43
100%
Alliant Reloder-19
<<locked>>
81%
40915
63%
**99
96%
[Alliant Reloder-22]*
<<locked>>
81%
36666
56%
**30
94%
Alliant Reloder-23
<<locked>>
81%
35172
54%
**90
99%
Alliant Reloder-25
<<locked>>
81%
30603
47%
**82
95%
Alliant Reloder-26
<<locked>>
81%
39334
61%
**44
99%
[Hodgdon H1000]*
<<locked>>
87%
32822
51%
**98
90%
Hodgdon H4350
<<locked>>
81%
44353
68%
**22
98%
[Hodgdon H4831]*
<<locked>>
81%
34258
53%
**08
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
38377
59%
**13
92%
Hodgdon Hybrid 100V
<<locked>>
81%
44222
68%
**25
100%
Hodgdon LVR
<<locked>>
81%
51387
79%
**79
100%
[Hodgdon Retumbo]*
<<locked>>
85%
27978
43%
**90
90%
Hodgdon Superperformance
<<locked>>
81%
51097
79%
**05
99%
Hodgdon TrailBoss
<<locked>>
81%
28195
43%
**18
100%
IMR 4166 Enduron
<<locked>>
81%
54331
84%
**72
100%
IMR 4350
<<locked>>
81%
46702
72%
**71
98%
IMR 4451 Enduron
<<locked>>
81%
52866
81%
**63
99%
IMR 4831
<<locked>>
81%
42177
65%
**99
100%
[IMR 4955 Enduron]*
<<locked>>
81%
38450
59%
**84
93%
[IMR 7828 SSC]*
<<locked>>
81%
37478
58%
**53
93%
[IMR 8133 Enduron]*
<<locked>>
93%
32518
50%
**38
90%
Lovex S065
<<locked>>
81%
50270
77%
**17
100%
Lovex S070
<<locked>>
81%
48704
75%
**07
99%
Lovex S071
<<locked>>
81%
31386
48%
**33
95%
Norma 204
<<locked>>
81%
47007
72%
**00
97%
[Norma 217]*
<<locked>>
89%
28471
44%
**33
90%
Norma MRP
<<locked>>
81%
38624
59%
**95
96%
Norma URP
<<locked>>
81%
48022
74%
**30
100%
Ramshot Hunter
<<locked>>
81%
46949
72%
**17
99%
[Ramshot Magnum]*
<<locked>>
81%
34214
53%
**48
94%
ReloadSwiss RS 14
<<locked>>
81%
28790
44%
**57
100%
ReloadSwiss RS 60
<<locked>>
81%
53026
82%
**61
100%
ReloadSwiss RS 62
<<locked>>
81%
49226
76%
**59
100%
ReloadSwiss RS 70
<<locked>>
81%
47616
73%
**69
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
29008
45%
**43
91%
[ReloadSwiss RS 80]*
<<locked>>
89%
35244
54%
**17
90%
Rottweil R 904
<<locked>>
81%
42090
65%
**76
95%
Rottweil R 905
<<locked>>
81%
40118
62%
**79
96%
Rottweil R 907
<<locked>>
81%
51430
79%
**46
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
49356
76%
**64
99%
Shooters World Long Rifle
<<locked>>
81%
50270
77%
**17
100%
[Somchem S361]*
<<locked>>
81%
43250
67%
**56
94%
Somchem S365
<<locked>>
81%
44860
69%
**71
100%
Somchem S385
<<locked>>
81%
40959
63%
**62
97%
Vihtavuori N135
<<locked>>
81%
53983
83%
**97
100%
Vihtavuori N150
<<locked>>
81%
47993
74%
**38
100%
Vihtavuori N160
<<locked>>
81%
51459
79%
**43
100%
[Vihtavuori N165]*
<<locked>>
81%
34403
53%
**95
94%
Vihtavuori N550
<<locked>>
81%
52315
81%
**02
100%
Vihtavuori N555
<<locked>>
81%
39378
61%
**72
99%
[Vihtavuori N560]*
<<locked>>
81%
36695
56%
**43
92%
[Vihtavuori N565]*
<<locked>>
83%
33460
51%
**31
90%
[Vihtavuori N568]*
<<locked>>
89%
36854
57%
**46
90%
[Vihtavuori N570]*
<<locked>>
94%
42308
65%
**97
90%
Winchester 6.5 StaBALL
<<locked>>
81%
49023
75%
**74
100%
Winchester StaBALL HD
<<locked>>
81%
31169
48%
**97
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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