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Load data for .300 Win. Mag. + .307 | 150gr | Rhino Solid Shank

Recommended Powder(s): Accurate 4350, Alliant Reloder-16, ReloadSwiss RS 62, Somchem S365, Vihtavuori N550

.300 Win. Mag. + .307 | 150gr | Rhino Solid Shank

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.307 | 150gr | Rhino Solid Shank
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.307" | 7.80mm
Bullet Length:
1.004" | 25.5mm
Caliber:
.300 Win. Mag. load data
Case Length (l3):
2.620" | 66.5mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.334" | 8.5mm
Shank Seated Depth:
0.334" | 8.5mm
Case Capacity:
90.5 Grains of Water | 5.88 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B5235_C380
Last updated:
2025-12-18

Load data for 176 loads in caliber .300 Win. Mag. with .307 | 150gr | Rhino Solid Shank bullet and 88 powders such as Accurate 4350, Alliant Reloder-16, ReloadSwiss RS 62, Somchem S365, 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".

  • No data yet

  • 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>>
88%
56028
90%
**64
100%
ADI AR 2209
<<locked>>
97%
51358
82%
**68
96%
[ADI AR 2213]*
<<locked>>
97%
45774
73%
**69
92%
Accurate 2700
<<locked>>
89%
55767
89%
**05
97%
Accurate 3100
<<locked>>
97%
44411
71%
**97
97%
Accurate 4064
<<locked>>
86%
56014
90%
**41
100%
Accurate 4350 👍
<<locked>>
94%
55622
89%
**30
100%
Alliant Reloder- TS 15.5
<<locked>>
88%
55593
89%
**74
100%
Alliant Reloder-15
<<locked>>
85%
55463
89%
**91
100%
Alliant Reloder-16 👍
<<locked>>
96%
55724
89%
**76
100%
Alliant Reloder-17
<<locked>>
91%
56072
90%
**92
100%
Alliant Reloder-19
<<locked>>
97%
50328
81%
**48
96%
[Alliant Reloder-22]*
<<locked>>
97%
44367
71%
**66
94%
Alliant Reloder-23
<<locked>>
97%
42047
67%
**30
99%
Alliant Reloder-25
<<locked>>
97%
37028
59%
**08
95%
Alliant Reloder-26
<<locked>>
97%
47210
76%
**00
99%
[Bofors RP15]*
<<locked>>
97%
41205
66%
**97
92%
Bofors RP3
<<locked>>
87%
55405
89%
**74
100%
[Bofors RP5]*
<<locked>>
97%
44367
71%
**66
94%
Bofors RP7
<<locked>>
91%
55477
89%
**58
98%
Hodgdon CFE223
<<locked>>
86%
56130
90%
**36
100%
Hodgdon H380
<<locked>>
87%
55796
89%
**84
100%
Hodgdon H414
<<locked>>
90%
55695
89%
**36
98%
Hodgdon H4350
<<locked>>
97%
55738
89%
**84
98%
[Hodgdon H4831 SC]*
<<locked>>
97%
47993
77%
**69
92%
Hodgdon Hybrid 100V
<<locked>>
97%
54592
88%
**77
100%
Hodgdon LVR
<<locked>>
92%
55767
89%
**27
99%
Hodgdon Superperformance
<<locked>>
93%
56014
90%
**79
98%
Hodgdon VARGET
<<locked>>
88%
56028
90%
**64
100%
Hodgdon TrailBoss
<<locked>>
97%
34534
55%
**03
100%
IMR 3031
<<locked>>
85%
55550
89%
**51
100%
IMR 4064
<<locked>>
89%
55622
89%
**48
100%
IMR 4166 Enduron
<<locked>>
89%
55912
90%
**45
98%
IMR 4350
<<locked>>
95%
56057
90%
**84
98%
IMR 4451 Enduron
<<locked>>
90%
55753
89%
**61
98%
IMR 4831
<<locked>>
97%
51721
83%
**45
99%
IMR 4895
<<locked>>
85%
55506
89%
**00
100%
[IMR 4955 Enduron]*
<<locked>>
97%
47993
77%
**23
93%
[IMR 7828 SSC]*
<<locked>>
97%
46760
75%
**05
92%
Lovex S060
<<locked>>
83%
55593
89%
**18
100%
Lovex S062
<<locked>>
86%
56043
90%
**51
100%
Lovex S065
<<locked>>
93%
56043
90%
**68
99%
Lovex S070
<<locked>>
94%
55390
89%
**74
98%
Lovex S071
<<locked>>
97%
37188
60%
**43
95%
Norma 201
<<locked>>
84%
55912
90%
**38
100%
Norma 202
<<locked>>
83%
55738
89%
**35
100%
Norma 203B
<<locked>>
86%
55361
89%
**87
100%
Norma 204
<<locked>>
95%
55869
90%
**20
97%
Norma MRP
<<locked>>
97%
47123
76%
**61
96%
Norma URP
<<locked>>
94%
55405
89%
**23
100%
Ramshot Big Game
<<locked>>
85%
55274
89%
**00
100%
[Ramshot Grand]*
<<locked>>
97%
49908
80%
**68
94%
Ramshot Hunter
<<locked>>
95%
55941
90%
**43
99%
[Ramshot Magnum]*
<<locked>>
97%
43352
70%
**17
94%
ReloadSwiss RS 14
<<locked>>
97%
35099
56%
**46
100%
ReloadSwiss RS 50
<<locked>>
87%
55738
89%
**68
99%
ReloadSwiss RS 52
<<locked>>
83%
56014
90%
**63
100%
ReloadSwiss RS 60
<<locked>>
89%
55680
89%
**89
100%
ReloadSwiss RS 62 👍
<<locked>>
94%
55912
90%
**59
100%
ReloadSwiss RS 70
<<locked>>
95%
55840
90%
**99
100%
Rottweil R 902
<<locked>>
85%
55912
90%
**31
100%
Rottweil R 903
<<locked>>
89%
55550
89%
**71
100%
Rottweil R 904
<<locked>>
97%
52881
85%
**28
95%
Rottweil R 905
<<locked>>
97%
49632
80%
**25
95%
Rottweil R 907
<<locked>>
91%
55477
89%
**58
98%
SNPE Vectan SP 11
<<locked>>
88%
55767
89%
**10
100%
SNPE Vectan SP 9
<<locked>>
84%
55970
90%
**71
100%
SNPE Vectan Tubal 5000
<<locked>>
88%
55521
89%
**43
100%
SNPE Vectan Tubal 7000
<<locked>>
93%
55927
90%
**12
98%
Shooters World Long Rifle
<<locked>>
93%
56043
90%
**68
99%
Shooters World Precision
<<locked>>
86%
56043
90%
**51
100%
Somchem S335
<<locked>>
83%
55956
90%
**66
100%
Somchem S355
<<locked>>
89%
56028
90%
**81
100%
[Somchem S361]*
<<locked>>
97%
54795
88%
**22
94%
Somchem S365 👍
<<locked>>
97%
54679
88%
**40
100%
Somchem S385
<<locked>>
97%
50154
80%
**05
97%
Vihtavuori N133
<<locked>>
85%
55854
90%
**36
100%
Vihtavuori N135
<<locked>>
90%
55550
89%
**86
100%
Vihtavuori N140
<<locked>>
85%
55767
89%
**05
100%
Vihtavuori N150
<<locked>>
94%
55753
89%
**35
100%
Vihtavuori N160
<<locked>>
92%
56057
90%
**91
100%
[Vihtavuori N165]*
<<locked>>
97%
42018
67%
**28
94%
Vihtavuori N540
<<locked>>
85%
55869
90%
**35
100%
Vihtavuori N550 👍
<<locked>>
92%
55724
89%
**30
100%
Vihtavuori N555
<<locked>>
97%
46862
75%
**09
99%
Winchester 6.5 StaBALL
<<locked>>
93%
55796
89%
**58
100%
Winchester 760
<<locked>>
90%
55695
89%
**36
98%
Winchester StaBALL HD
<<locked>>
97%
35302
57%
**46
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
44976
72%
**71
99%
[ADI AR 2209]*
<<locked>>
87%
36898
59%
**40
90%
[ADI AR 2213]*
<<locked>>
94%
41655
67%
**71
90%
[Accurate 2700]*
<<locked>>
81%
43207
69%
**72
94%
[Accurate 3100]*
<<locked>>
84%
28761
46%
**13
90%
Accurate 4064
<<locked>>
81%
47253
76%
**04
100%
Accurate 4350
<<locked>>
81%
35273
57%
**17
96%
Alliant Reloder- TS 15.5
<<locked>>
81%
45063
72%
**94
100%
Alliant Reloder-15
<<locked>>
81%
48196
77%
**63
99%
Alliant Reloder-16
<<locked>>
81%
34925
56%
**30
96%
Alliant Reloder-17
<<locked>>
81%
39508
63%
**71
99%
[Alliant Reloder-19]*
<<locked>>
87%
36477
58%
**36
90%
[Alliant Reloder-22]*
<<locked>>
91%
36405
58%
**76
90%
[Alliant Reloder-23]*
<<locked>>
81%
25440
41%
**54
92%
[Alliant Reloder-25]*
<<locked>>
90%
29776
48%
**92
90%
[Alliant Reloder-26]*
<<locked>>
82%
28094
45%
**82
90%
[Bofors RP15]*
<<locked>>
93%
36680
59%
**79
90%
Bofors RP3
<<locked>>
81%
45339
73%
**00
100%
[Bofors RP5]*
<<locked>>
91%
36405
58%
**76
90%
[Bofors RP7]*
<<locked>>
81%
40074
64%
**49
94%
Hodgdon CFE223
<<locked>>
81%
47355
76%
**76
99%
Hodgdon H380
<<locked>>
81%
45730
73%
**04
98%
Hodgdon H414
<<locked>>
81%
41046
66%
**51
95%
[Hodgdon H4350]*
<<locked>>
81%
33997
55%
**18
91%
[Hodgdon H4831 SC]*
<<locked>>
93%
42670
68%
**48
90%
Hodgdon Hybrid 100V
<<locked>>
81%
32198
52%
**21
97%
Hodgdon LVR
<<locked>>
81%
38232
61%
**76
96%
[Hodgdon Superperformance]*
<<locked>>
81%
36782
59%
**72
92%
Hodgdon VARGET
<<locked>>
81%
44382
71%
**54
99%
Hodgdon TrailBoss
<<locked>>
81%
27398
44%
**42
100%
IMR 3031
<<locked>>
81%
49124
79%
**53
100%
IMR 4064
<<locked>>
81%
44005
71%
**41
99%
IMR 4166 Enduron
<<locked>>
81%
43207
69%
**95
95%
[IMR 4350]*
<<locked>>
81%
35549
57%
**57
92%
IMR 4451 Enduron
<<locked>>
81%
41597
67%
**89
95%
[IMR 4831]*
<<locked>>
81%
30908
50%
**85
94%
IMR 4895
<<locked>>
81%
49356
79%
**89
100%
[IMR 4955 Enduron]*
<<locked>>
92%
41713
67%
**95
90%
[IMR 7828 SSC]*
<<locked>>
94%
41945
67%
**87
90%
Lovex S060
<<locked>>
81%
52141
84%
**53
100%
Lovex S062
<<locked>>
81%
47442
76%
**07
100%
Lovex S065
<<locked>>
81%
38957
62%
**36
96%
[Lovex S070]*
<<locked>>
81%
37101
59%
**07
93%
[Lovex S071]*
<<locked>>
89%
28921
46%
**16
90%
Norma 201
<<locked>>
81%
51735
83%
**69
100%
Norma 202
<<locked>>
81%
52141
84%
**76
100%
Norma 203B
<<locked>>
81%
47427
76%
**46
100%
[Norma 204]*
<<locked>>
82%
36825
59%
**26
90%
[Norma MRP]*
<<locked>>
86%
32967
53%
**07
90%
Norma URP
<<locked>>
81%
35418
57%
**20
96%
Ramshot Big Game
<<locked>>
81%
47848
77%
**69
100%
[Ramshot Grand]*
<<locked>>
92%
41147
66%
**74
90%
[Ramshot Hunter]*
<<locked>>
81%
34360
55%
**90
93%
[Ramshot Magnum]*
<<locked>>
91%
35302
57%
**17
90%
ReloadSwiss RS 14
<<locked>>
81%
27963
45%
**85
100%
ReloadSwiss RS 50
<<locked>>
81%
45977
74%
**84
97%
ReloadSwiss RS 52
<<locked>>
81%
51576
83%
**81
100%
ReloadSwiss RS 60
<<locked>>
81%
41872
67%
**33
100%
ReloadSwiss RS 62
<<locked>>
81%
35201
56%
**36
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
34693
56%
**36
94%
Rottweil R 902
<<locked>>
81%
49110
79%
**23
100%
Rottweil R 903
<<locked>>
81%
42612
68%
**48
99%
[Rottweil R 904]*
<<locked>>
88%
39595
63%
**59
90%
[Rottweil R 905]*
<<locked>>
87%
35331
57%
**13
90%
[Rottweil R 907]*
<<locked>>
81%
40074
64%
**49
94%
SNPE Vectan SP 11
<<locked>>
81%
43598
70%
**97
99%
SNPE Vectan SP 9
<<locked>>
81%
51155
82%
**89
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
44353
71%
**72
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
38145
61%
**67
94%
Shooters World Long Rifle
<<locked>>
81%
38957
62%
**36
96%
Shooters World Precision
<<locked>>
81%
47442
76%
**07
100%
Somchem S335
<<locked>>
81%
52431
84%
**10
100%
Somchem S355
<<locked>>
81%
43018
69%
**48
99%
[Somchem S361]*
<<locked>>
89%
41887
67%
**79
90%
Somchem S365
<<locked>>
81%
31749
51%
**64
98%
[Somchem S385]*
<<locked>>
84%
32692
52%
**18
90%
Vihtavuori N133
<<locked>>
81%
49487
79%
**41
100%
Vihtavuori N135
<<locked>>
81%
41843
67%
**62
100%
Vihtavuori N140
<<locked>>
81%
49023
79%
**97
100%
Vihtavuori N150
<<locked>>
81%
36854
59%
**77
99%
Vihtavuori N160
<<locked>>
81%
38551
62%
**66
97%
[Vihtavuori N165]*
<<locked>>
91%
34534
55%
**48
90%
Vihtavuori N540
<<locked>>
81%
48588
78%
**13
100%
Vihtavuori N550
<<locked>>
81%
38914
62%
**95
97%
[Vihtavuori N555]*
<<locked>>
81%
27543
44%
**33
92%
Winchester 6.5 StaBALL
<<locked>>
81%
36361
58%
**90
98%
Winchester 760
<<locked>>
81%
41046
66%
**51
95%
[Winchester StaBALL HD]*
<<locked>>
84%
24482
39%
**67
90%

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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