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Load data for .300 Win. Mag. + .308 | 150gr | Speer TBBC

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

.300 Win. Mag. + .308 | 150gr | Speer TBBC

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 150gr | Speer TBBC
Manufacturer SKU:
1759
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.100" | 27.9mm
Caliber:
.300 Win. Mag. load data
Case Length (l3):
2.620" | 66.5mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.430" | 10.9mm
Shank Seated Depth:
0.430" | 10.9mm
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_B6154_C380
Last updated:
2025-01-01

Load data for 168 loads in caliber .300 Win. Mag. with .308 | 150gr | Speer TBBC bullet and 84 powders such as Alliant Reloder-16, Norma URP, 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".

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  • .

    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.

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%
55477
89%
**61
100%
ADI AR 2209
<<locked>>
97%
51271
82%
**54
96%
[ADI AR 2213]*
<<locked>>
97%
46035
74%
**72
92%
Accurate 2700
<<locked>>
89%
55985
90%
**05
97%
Accurate 3100
<<locked>>
97%
44860
72%
**04
97%
Accurate 4064
<<locked>>
86%
55463
89%
**35
100%
Accurate 4350
<<locked>>
94%
56101
90%
**30
100%
Alliant Reloder- TS 15.5
<<locked>>
88%
55709
89%
**81
100%
Alliant Reloder-15
<<locked>>
86%
56115
90%
**04
100%
Alliant Reloder-16 👍
<<locked>>
96%
55927
90%
**76
100%
Alliant Reloder-17
<<locked>>
91%
55564
89%
**79
100%
Alliant Reloder-19
<<locked>>
97%
51039
82%
**54
96%
[Alliant Reloder-22]*
<<locked>>
97%
44599
72%
**69
94%
Alliant Reloder-23
<<locked>>
97%
42380
68%
**36
99%
Alliant Reloder-25
<<locked>>
97%
36970
59%
**08
95%
Alliant Reloder-26
<<locked>>
97%
48066
77%
**17
99%
Hodgdon CFE223
<<locked>>
86%
55637
89%
**23
100%
Hodgdon H380
<<locked>>
87%
55985
90%
**94
100%
Hodgdon H414
<<locked>>
90%
55941
90%
**40
98%
Hodgdon H4350
<<locked>>
97%
55796
89%
**81
98%
[Hodgdon H4831 SC]*
<<locked>>
97%
48095
77%
**66
92%
Hodgdon Hybrid 100V
<<locked>>
97%
54418
87%
**77
100%
Hodgdon LVR
<<locked>>
92%
55434
89%
**23
99%
Hodgdon Superperformance
<<locked>>
92%
55651
89%
**69
98%
Hodgdon VARGET
<<locked>>
88%
55651
89%
**58
100%
Hodgdon TrailBoss
<<locked>>
96%
34505
55%
**00
100%
IMR 3031
<<locked>>
85%
55361
89%
**48
100%
IMR 4064
<<locked>>
89%
56101
90%
**58
100%
IMR 4166 Enduron
<<locked>>
89%
55695
89%
**41
98%
IMR 4350
<<locked>>
95%
55970
90%
**84
98%
IMR 4451 Enduron
<<locked>>
90%
55927
90%
**71
98%
IMR 4831
<<locked>>
97%
51750
83%
**48
99%
IMR 4895
<<locked>>
84%
55245
89%
**94
100%
[IMR 4955 Enduron]*
<<locked>>
97%
48196
77%
**36
93%
[IMR 7828 SSC]*
<<locked>>
97%
47529
76%
**15
93%
Lovex S060
<<locked>>
83%
55680
89%
**15
100%
Lovex S062
<<locked>>
86%
55579
89%
**48
100%
Lovex S065
<<locked>>
92%
55361
89%
**61
99%
Lovex S070
<<locked>>
94%
55608
89%
**87
98%
Lovex S071
<<locked>>
97%
37666
60%
**53
95%
Norma 201
<<locked>>
83%
55999
90%
**45
100%
Norma 202
<<locked>>
83%
55985
90%
**31
100%
Norma 203B
<<locked>>
86%
56014
90%
**00
100%
Norma 204
<<locked>>
94%
55608
89%
**17
97%
Norma MRP
<<locked>>
97%
47398
76%
**68
96%
Norma URP 👍
<<locked>>
94%
55434
89%
**33
100%
Ramshot Big Game
<<locked>>
85%
55448
89%
**00
100%
Ramshot Hunter
<<locked>>
95%
55680
89%
**43
99%
[Ramshot Magnum]*
<<locked>>
97%
43714
70%
**27
94%
ReloadSwiss RS 14
<<locked>>
96%
35099
56%
**42
100%
ReloadSwiss RS 50
<<locked>>
87%
55927
90%
**68
99%
ReloadSwiss RS 52
<<locked>>
86%
55695
89%
**07
100%
ReloadSwiss RS 60
<<locked>>
92%
55825
90%
**12
100%
ReloadSwiss RS 62 👍
<<locked>>
94%
55434
89%
**46
100%
ReloadSwiss RS 70
<<locked>>
94%
55230
89%
**82
100%
Rottweil R 902
<<locked>>
85%
55390
89%
**25
100%
Rottweil R 903
<<locked>>
89%
55898
90%
**74
100%
Rottweil R 904
<<locked>>
97%
53127
85%
**31
95%
Rottweil R 905
<<locked>>
97%
49530
79%
**28
95%
Rottweil R 907
<<locked>>
91%
55651
89%
**58
98%
SNPE Vectan SP 11
<<locked>>
88%
55579
89%
**10
100%
SNPE Vectan SP 9
<<locked>>
83%
55593
89%
**64
100%
SNPE Vectan Tubal 5000
<<locked>>
88%
55622
89%
**49
100%
SNPE Vectan Tubal 7000
<<locked>>
92%
55738
89%
**09
98%
Shooters World Long Rifle
<<locked>>
92%
55361
89%
**61
99%
Shooters World Precision
<<locked>>
86%
55579
89%
**48
100%
Somchem S335
<<locked>>
83%
56057
90%
**63
100%
Somchem S355
<<locked>>
89%
55448
89%
**64
100%
[Somchem S361]*
<<locked>>
97%
55129
88%
**28
94%
Somchem S365 👍
<<locked>>
97%
54737
88%
**43
100%
Somchem S385
<<locked>>
97%
50430
81%
**09
97%
Vihtavuori N133
<<locked>>
85%
56115
90%
**43
100%
Vihtavuori N135
<<locked>>
90%
55637
89%
**92
100%
Vihtavuori N140
<<locked>>
85%
55869
90%
**02
100%
Vihtavuori N150
<<locked>>
94%
55927
90%
**35
100%
Vihtavuori N160
<<locked>>
92%
55564
89%
**77
100%
[Vihtavuori N165]*
<<locked>>
97%
42221
68%
**31
94%
Vihtavuori N540
<<locked>>
85%
55463
89%
**22
100%
Vihtavuori N550 👍
<<locked>>
92%
55941
90%
**33
100%
Vihtavuori N555
<<locked>>
97%
47079
75%
**12
99%
[Vihtavuori N560]*
<<locked>>
97%
45353
73%
**95
92%
Winchester 6.5 StaBALL
<<locked>>
93%
55927
90%
**71
100%
Winchester 760
<<locked>>
90%
55941
90%
**40
98%
Winchester StaBALL HD
<<locked>>
97%
35041
56%
**46
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
45034
72%
**67
99%
[ADI AR 2209]*
<<locked>>
86%
36883
59%
**36
90%
[ADI AR 2213]*
<<locked>>
94%
41872
67%
**71
90%
Accurate 2700
<<locked>>
81%
43323
69%
**79
95%
[Accurate 3100]*
<<locked>>
84%
28906
46%
**16
90%
Accurate 4064
<<locked>>
81%
47456
76%
**04
100%
Accurate 4350
<<locked>>
81%
35781
57%
**26
96%
Alliant Reloder- TS 15.5
<<locked>>
81%
45368
73%
**94
100%
Alliant Reloder-15
<<locked>>
81%
48457
78%
**69
99%
Alliant Reloder-16
<<locked>>
81%
35070
56%
**40
96%
Alliant Reloder-17
<<locked>>
81%
39595
63%
**71
99%
[Alliant Reloder-19]*
<<locked>>
86%
36332
58%
**30
90%
[Alliant Reloder-22]*
<<locked>>
90%
36172
58%
**62
90%
[Alliant Reloder-23]*
<<locked>>
81%
25759
41%
**61
92%
[Alliant Reloder-25]*
<<locked>>
90%
30255
49%
**05
90%
[Alliant Reloder-26]*
<<locked>>
81%
27818
45%
**75
90%
Hodgdon CFE223
<<locked>>
81%
47485
76%
**76
99%
Hodgdon H380
<<locked>>
81%
45977
74%
**04
98%
Hodgdon H414
<<locked>>
81%
41292
66%
**54
95%
[Hodgdon H4350]*
<<locked>>
81%
34272
55%
**31
91%
[Hodgdon H4831 SC]*
<<locked>>
93%
42888
69%
**51
90%
Hodgdon Hybrid 100V
<<locked>>
81%
32721
52%
**31
97%
Hodgdon LVR
<<locked>>
81%
38711
62%
**92
96%
[Hodgdon Superperformance]*
<<locked>>
81%
36927
59%
**72
92%
Hodgdon VARGET
<<locked>>
81%
44860
72%
**67
99%
Hodgdon TrailBoss
<<locked>>
81%
27354
44%
**39
100%
IMR 3031
<<locked>>
81%
49632
80%
**63
100%
IMR 4064
<<locked>>
81%
44208
71%
**48
99%
IMR 4166 Enduron
<<locked>>
81%
43671
70%
**08
95%
[IMR 4350]*
<<locked>>
81%
35969
58%
**74
92%
IMR 4451 Enduron
<<locked>>
81%
41771
67%
**89
95%
[IMR 4831]*
<<locked>>
81%
31314
50%
**89
94%
IMR 4895
<<locked>>
81%
49777
80%
**99
100%
[IMR 4955 Enduron]*
<<locked>>
92%
41336
66%
**92
90%
[IMR 7828 SSC]*
<<locked>>
93%
41597
67%
**77
90%
Lovex S060
<<locked>>
81%
52199
84%
**59
100%
Lovex S062
<<locked>>
81%
47485
76%
**10
100%
Lovex S065
<<locked>>
81%
39131
63%
**36
96%
[Lovex S070]*
<<locked>>
81%
37275
60%
**07
93%
[Lovex S071]*
<<locked>>
89%
28906
46%
**16
90%
Norma 201
<<locked>>
81%
51938
83%
**79
100%
Norma 202
<<locked>>
81%
52504
84%
**76
100%
Norma 203B
<<locked>>
81%
47964
77%
**59
100%
[Norma 204]*
<<locked>>
82%
36782
59%
**23
90%
[Norma MRP]*
<<locked>>
86%
33359
53%
**17
90%
Norma URP
<<locked>>
81%
35723
57%
**23
96%
Ramshot Big Game
<<locked>>
81%
47964
77%
**69
100%
[Ramshot Hunter]*
<<locked>>
81%
34824
56%
**07
93%
[Ramshot Magnum]*
<<locked>>
91%
35549
57%
**23
90%
ReloadSwiss RS 14
<<locked>>
81%
27920
45%
**81
100%
ReloadSwiss RS 50
<<locked>>
81%
46369
74%
**97
97%
ReloadSwiss RS 52
<<locked>>
81%
47456
76%
**66
100%
ReloadSwiss RS 60
<<locked>>
81%
38508
62%
**71
99%
ReloadSwiss RS 62
<<locked>>
81%
35549
57%
**43
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
34911
56%
**40
94%
Rottweil R 902
<<locked>>
81%
49298
79%
**20
100%
Rottweil R 903
<<locked>>
81%
42685
68%
**41
99%
[Rottweil R 904]*
<<locked>>
88%
39726
64%
**59
90%
[Rottweil R 905]*
<<locked>>
87%
35708
57%
**17
90%
[Rottweil R 907]*
<<locked>>
81%
40248
65%
**59
94%
SNPE Vectan SP 11
<<locked>>
81%
43990
71%
**97
99%
SNPE Vectan SP 9
<<locked>>
81%
51590
83%
**99
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
44396
71%
**66
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
38537
62%
**77
94%
Shooters World Long Rifle
<<locked>>
81%
39131
63%
**36
96%
Shooters World Precision
<<locked>>
81%
47485
76%
**10
100%
Somchem S335
<<locked>>
81%
52504
84%
**07
100%
Somchem S355
<<locked>>
81%
43192
69%
**48
99%
[Somchem S361]*
<<locked>>
89%
42235
68%
**85
90%
Somchem S365
<<locked>>
81%
32169
52%
**84
98%
[Somchem S385]*
<<locked>>
84%
32895
53%
**18
90%
Vihtavuori N133
<<locked>>
81%
49835
80%
**48
100%
Vihtavuori N135
<<locked>>
81%
42105
68%
**72
100%
Vihtavuori N140
<<locked>>
81%
49081
79%
**94
100%
Vihtavuori N150
<<locked>>
81%
37130
60%
**90
99%
Vihtavuori N160
<<locked>>
81%
38754
62%
**66
97%
[Vihtavuori N165]*
<<locked>>
90%
34301
55%
**44
90%
Vihtavuori N540
<<locked>>
81%
48805
78%
**23
100%
Vihtavuori N550
<<locked>>
81%
39247
63%
**12
97%
[Vihtavuori N555]*
<<locked>>
81%
27876
45%
**39
93%
[Vihtavuori N560]*
<<locked>>
94%
41814
67%
**13
90%
Winchester 6.5 StaBALL
<<locked>>
81%
36608
59%
**03
98%
Winchester 760
<<locked>>
81%
41292
66%
**54
95%
[Winchester StaBALL HD]*
<<locked>>
83%
24642
40%
**64
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.

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