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

Recommended Powder(s): Alliant Reloder-16, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70, Vihtavuori N550

.300 Weath. 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 Weath. Mag. load data
Case Length (l3):
2.824" | 71.7mm
Cartridge Length (C.O.L.):
3.507" | 89.1mm
Seated Depth:
0.522" | 13.3mm
Shank Seated Depth:
0.522" | 13.3mm
Case Capacity:
98.9 Grains of Water | 6.42 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B5302_C379
Last updated:
2025-01-01

Load data for 162 loads in caliber .300 Weath. Mag. with .307 | 150gr | Rhino Penetrator bullet and 81 powders such as Alliant Reloder-16, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70, Vihtavuori N550. 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>>
87%
57188
90%
**20
100%
ADI AR 2209
<<locked>>
97%
55550
87%
**76
97%
[ADI AR 2213]*
<<locked>>
97%
50082
78%
**94
94%
Accurate 2700
<<locked>>
87%
57000
89%
**64
98%
Accurate 3100
<<locked>>
97%
48747
76%
**09
98%
Accurate 4064
<<locked>>
85%
57246
90%
**94
100%
Accurate 4350
<<locked>>
92%
57014
89%
**76
100%
Alliant Reloder- TS 15.5
<<locked>>
86%
57029
89%
**27
100%
Alliant Reloder-15
<<locked>>
84%
57421
90%
**53
100%
Alliant Reloder-16 👍
<<locked>>
94%
57421
90%
**38
100%
Alliant Reloder-17
<<locked>>
89%
57130
90%
**41
100%
Alliant Reloder-19
<<locked>>
97%
54505
85%
**50
97%
Alliant Reloder-22
<<locked>>
97%
48863
77%
**87
96%
Alliant Reloder-23
<<locked>>
97%
45861
72%
**28
100%
Alliant Reloder-25
<<locked>>
97%
40292
63%
**33
97%
Alliant Reloder-26
<<locked>>
97%
52431
82%
**28
100%
Hodgdon CFE223
<<locked>>
84%
57305
90%
**79
100%
Hodgdon H380
<<locked>>
85%
56855
89%
**40
100%
Hodgdon H414
<<locked>>
88%
57363
90%
**96
99%
Hodgdon H4350
<<locked>>
95%
56840
89%
**36
98%
[Hodgdon H4831]*
<<locked>>
97%
45948
72%
**53
92%
[Hodgdon H4831 SC]*
<<locked>>
97%
52388
82%
**84
94%
Hodgdon Hybrid 100V
<<locked>>
96%
57217
90%
**43
100%
Hodgdon LVR
<<locked>>
91%
56971
89%
**73
100%
Hodgdon Superperformance
<<locked>>
91%
57261
90%
**22
99%
Hodgdon VARGET
<<locked>>
87%
57188
90%
**20
100%
Hodgdon TrailBoss
<<locked>>
96%
34664
54%
**39
100%
IMR 3031
<<locked>>
83%
56913
89%
**94
100%
IMR 4064
<<locked>>
87%
56724
89%
**00
100%
IMR 4166 Enduron
<<locked>>
88%
57029
89%
**94
99%
IMR 4350
<<locked>>
93%
56869
89%
**36
98%
IMR 4451 Enduron
<<locked>>
89%
57261
90%
**20
99%
IMR 4831
<<locked>>
97%
55622
87%
**33
100%
IMR 4895
<<locked>>
84%
57319
90%
**59
100%
[IMR 4955 Enduron]*
<<locked>>
97%
51517
81%
**31
94%
IMR 7828 SSC
<<locked>>
97%
50749
80%
**27
95%
Lovex S062
<<locked>>
85%
57043
89%
**00
100%
Lovex S065
<<locked>>
91%
56724
89%
**17
99%
Lovex S070
<<locked>>
92%
57203
90%
**46
99%
Lovex S071
<<locked>>
97%
40814
64%
**51
96%
Norma 203B
<<locked>>
85%
57276
90%
**46
100%
Norma 204
<<locked>>
93%
56985
89%
**76
97%
Norma MRP
<<locked>>
97%
51706
81%
**76
98%
Norma URP
<<locked>>
93%
56782
89%
**79
100%
Ramshot Big Game
<<locked>>
84%
57159
90%
**53
100%
Ramshot Hunter 👍
<<locked>>
94%
57145
90%
**96
99%
Ramshot Magnum
<<locked>>
97%
47355
74%
**38
96%
ReloadSwiss RS 14
<<locked>>
96%
35230
55%
**82
100%
ReloadSwiss RS 50
<<locked>>
86%
57334
90%
**23
99%
ReloadSwiss RS 52
<<locked>>
84%
56782
89%
**56
100%
ReloadSwiss RS 60
<<locked>>
90%
57261
90%
**55
100%
ReloadSwiss RS 62 👍
<<locked>>
92%
57377
90%
**09
100%
ReloadSwiss RS 70 👍
<<locked>>
93%
56811
89%
**41
100%
[ReloadSwiss RS 76]*
<<locked>>
97%
38841
61%
**17
94%
Rottweil R 902
<<locked>>
84%
57043
89%
**84
100%
Rottweil R 903
<<locked>>
88%
57319
90%
**30
100%
Rottweil R 904
<<locked>>
97%
57363
90%
**46
96%
Rottweil R 905
<<locked>>
97%
54172
85%
**50
97%
Rottweil R 907
<<locked>>
90%
57058
89%
**17
98%
SNPE Vectan SP 11
<<locked>>
87%
57087
89%
**66
100%
SNPE Vectan Tubal 5000
<<locked>>
87%
57392
90%
**99
100%
SNPE Vectan Tubal 7000
<<locked>>
91%
56753
89%
**64
99%
Shooters World Long Rifle
<<locked>>
91%
56724
89%
**17
99%
Shooters World Precision
<<locked>>
85%
57043
89%
**00
100%
Somchem S355
<<locked>>
88%
57334
90%
**30
100%
Somchem S361
<<locked>>
96%
57116
90%
**07
96%
Somchem S365
<<locked>>
95%
57101
89%
**96
100%
Somchem S385
<<locked>>
97%
54984
86%
**30
98%
Vihtavuori N133
<<locked>>
84%
57290
90%
**89
100%
Vihtavuori N135
<<locked>>
89%
56855
89%
**38
100%
Vihtavuori N140
<<locked>>
84%
57406
90%
**54
100%
Vihtavuori N150
<<locked>>
93%
57276
90%
**77
100%
Vihtavuori N160
<<locked>>
91%
57421
90%
**46
100%
Vihtavuori N165
<<locked>>
97%
45165
71%
**33
95%
Vihtavuori N540
<<locked>>
84%
56927
89%
**74
100%
Vihtavuori N550 👍
<<locked>>
90%
57145
90%
**82
100%
Vihtavuori N555
<<locked>>
97%
51314
80%
**20
100%
[Vihtavuori N560]*
<<locked>>
97%
49023
77%
**07
94%
Winchester 6.5 StaBALL
<<locked>>
92%
57014
89%
**07
100%
Winchester 760
<<locked>>
88%
57363
90%
**96
99%
Winchester StaBALL HD
<<locked>>
97%
40495
63%
**71
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
47834
75%
**59
100%
[ADI AR 2209]*
<<locked>>
83%
35041
55%
**23
90%
[ADI AR 2213]*
<<locked>>
90%
39436
62%
**54
90%
Accurate 2700
<<locked>>
81%
45963
72%
**64
96%
[Accurate 3100]*
<<locked>>
81%
28181
44%
**16
90%
Accurate 4064
<<locked>>
81%
50618
79%
**86
100%
Accurate 4350
<<locked>>
81%
38493
60%
**22
97%
Alliant Reloder- TS 15.5
<<locked>>
81%
48080
75%
**79
100%
Alliant Reloder-15
<<locked>>
81%
51561
81%
**58
100%
Alliant Reloder-16
<<locked>>
81%
37478
59%
**35
97%
Alliant Reloder-17
<<locked>>
81%
42612
67%
**72
100%
[Alliant Reloder-19]*
<<locked>>
83%
34722
54%
**20
90%
[Alliant Reloder-22]*
<<locked>>
87%
34577
54%
**53
90%
[Alliant Reloder-23]*
<<locked>>
81%
27499
43%
**56
94%
[Alliant Reloder-25]*
<<locked>>
86%
28660
45%
**85
90%
[Alliant Reloder-26]*
<<locked>>
81%
29472
46%
**57
92%
Hodgdon CFE223
<<locked>>
81%
50749
80%
**64
100%
Hodgdon H380
<<locked>>
81%
49211
77%
**99
99%
Hodgdon H414
<<locked>>
81%
44208
69%
**49
96%
[Hodgdon H4350]*
<<locked>>
81%
36376
57%
**13
93%
[Hodgdon H4831]*
<<locked>>
93%
40524
63%
**35
90%
[Hodgdon H4831 SC]*
<<locked>>
89%
40393
63%
**38
90%
Hodgdon Hybrid 100V
<<locked>>
81%
34896
55%
**17
98%
Hodgdon LVR
<<locked>>
81%
41307
65%
**81
97%
[Hodgdon Superperformance]*
<<locked>>
81%
39668
62%
**74
94%
Hodgdon VARGET
<<locked>>
81%
47268
74%
**46
99%
Hodgdon TrailBoss
<<locked>>
81%
27528
43%
**75
100%
IMR 3031
<<locked>>
81%
52678
83%
**38
100%
IMR 4064
<<locked>>
81%
46760
73%
**30
100%
IMR 4166 Enduron
<<locked>>
81%
45963
72%
**94
97%
[IMR 4350]*
<<locked>>
81%
38203
60%
**53
93%
IMR 4451 Enduron
<<locked>>
81%
44150
69%
**77
96%
IMR 4831
<<locked>>
81%
33562
53%
**84
96%
IMR 4895
<<locked>>
81%
52823
83%
**84
100%
[IMR 4955 Enduron]*
<<locked>>
88%
39595
62%
**82
90%
[IMR 7828 SSC]*
<<locked>>
89%
39508
62%
**71
90%
Lovex S062
<<locked>>
81%
50546
79%
**92
100%
Lovex S065
<<locked>>
81%
41655
65%
**22
97%
Lovex S070
<<locked>>
81%
39842
62%
**99
95%
[Lovex S071]*
<<locked>>
85%
27615
43%
**00
90%
Norma 203B
<<locked>>
81%
50778
80%
**41
100%
[Norma 204]*
<<locked>>
81%
37565
59%
**76
91%
[Norma MRP]*
<<locked>>
83%
31647
50%
**97
90%
Norma URP
<<locked>>
81%
38392
60%
**18
97%
Ramshot Big Game
<<locked>>
81%
51343
80%
**58
100%
Ramshot Hunter
<<locked>>
81%
37173
58%
**02
95%
[Ramshot Magnum]*
<<locked>>
88%
33881
53%
**10
90%
ReloadSwiss RS 14
<<locked>>
81%
28108
44%
**21
100%
ReloadSwiss RS 50
<<locked>>
81%
49182
77%
**82
98%
ReloadSwiss RS 52
<<locked>>
81%
50763
80%
**51
100%
ReloadSwiss RS 60
<<locked>>
81%
41336
65%
**63
100%
ReloadSwiss RS 62
<<locked>>
81%
38290
60%
**28
97%
ReloadSwiss RS 70
<<locked>>
81%
37202
58%
**38
96%
[ReloadSwiss RS 76]*
<<locked>>
93%
33895
53%
**59
90%
Rottweil R 902
<<locked>>
81%
52315
82%
**12
100%
Rottweil R 903
<<locked>>
81%
45788
72%
**33
100%
[Rottweil R 904]*
<<locked>>
84%
37710
59%
**49
90%
[Rottweil R 905]*
<<locked>>
83%
34127
53%
**10
90%
Rottweil R 907
<<locked>>
81%
42728
67%
**44
95%
SNPE Vectan SP 11
<<locked>>
81%
46963
74%
**86
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
47065
74%
**44
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
40698
64%
**62
95%
Shooters World Long Rifle
<<locked>>
81%
41655
65%
**22
97%
Shooters World Precision
<<locked>>
81%
50546
79%
**92
100%
Somchem S355
<<locked>>
81%
46064
72%
**27
100%
[Somchem S361]*
<<locked>>
85%
39987
63%
**69
90%
Somchem S365
<<locked>>
81%
34693
54%
**69
99%
[Somchem S385]*
<<locked>>
81%
32300
51%
**25
90%
Vihtavuori N133
<<locked>>
81%
52576
82%
**23
100%
Vihtavuori N135
<<locked>>
81%
44759
70%
**41
100%
Vihtavuori N140
<<locked>>
81%
52083
82%
**72
100%
Vihtavuori N150
<<locked>>
81%
39436
62%
**66
100%
Vihtavuori N160
<<locked>>
81%
41379
65%
**48
98%
[Vihtavuori N165]*
<<locked>>
87%
32735
51%
**35
90%
Vihtavuori N540
<<locked>>
81%
51837
81%
**92
100%
Vihtavuori N550
<<locked>>
81%
42177
66%
**04
98%
Vihtavuori N555
<<locked>>
81%
30342
48%
**38
95%
[Vihtavuori N560]*
<<locked>>
91%
40205
63%
**10
90%
Winchester 6.5 StaBALL
<<locked>>
81%
39015
61%
**85
99%
Winchester 760
<<locked>>
81%
44208
69%
**49
96%
[Winchester StaBALL HD]*
<<locked>>
81%
24207
38%
**87
91%

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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