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Load data for .300 H & H Mag. + .308 | 200gr | Speer TBBC

Recommended Powder(s):

.300 H & H Mag. + .308 | 200gr | Speer TBBC

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 200gr | Speer TBBC
Manufacturer SKU:
1770
Bullet Weight:
200gr | 13.0g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.370" | 34.8mm
Caliber:
.300 H & H Mag. load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
3.546" | 90.1mm
Seated Depth:
0.674" | 17.1mm
Shank Seated Depth:
0.674" | 17.1mm
Case Capacity:
85.9 Grains of Water | 5.58 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B6177_C357
Last updated:
2025-01-01

Load data for 142 loads in caliber .300 H & H Mag. with .308 | 200gr | Speer TBBC bullet and 71 powder(s). 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>>
85%
55608
89%
**28
100%
ADI AR 2209
<<locked>>
96%
55912
90%
**33
99%
ADI AR 2213
<<locked>>
97%
51358
82%
**90
97%
[ADI AR 2217]*
<<locked>>
97%
37478
60%
**08
92%
[ADI AR 2225]*
<<locked>>
97%
33431
54%
**75
94%
Accurate 2700
<<locked>>
86%
55854
90%
**02
99%
Accurate 3100
<<locked>>
97%
50966
82%
**18
100%
Accurate 4350
<<locked>>
91%
55999
90%
**03
100%
Accurate MAGPRO
<<locked>>
97%
49937
80%
**94
95%
Alliant Reloder- TS 15.5
<<locked>>
84%
55666
89%
**44
100%
Alliant Reloder-16
<<locked>>
92%
55303
89%
**33
100%
Alliant Reloder-17
<<locked>>
87%
55593
89%
**40
100%
Alliant Reloder-19
<<locked>>
96%
56115
90%
**40
99%
Alliant Reloder-22
<<locked>>
97%
50604
81%
**97
98%
Alliant Reloder-23
<<locked>>
97%
48312
77%
**38
100%
Alliant Reloder-25
<<locked>>
97%
41292
66%
**52
99%
Alliant Reloder-26 👍
<<locked>>
97%
54418
87%
**12
100%
[Hodgdon H1000]*
<<locked>>
97%
37478
60%
**08
92%
Hodgdon H380
<<locked>>
84%
55767
89%
**61
100%
Hodgdon H414
<<locked>>
87%
56057
90%
**26
100%
Hodgdon H4350
<<locked>>
94%
56014
90%
**74
99%
Hodgdon H4831
<<locked>>
97%
47718
77%
**75
95%
Hodgdon H4831 SC
<<locked>>
97%
53882
86%
**77
97%
Hodgdon Hybrid 100V
<<locked>>
94%
55912
90%
**67
100%
Hodgdon LVR
<<locked>>
89%
55564
89%
**94
100%
[Hodgdon Retumbo]*
<<locked>>
97%
33431
54%
**75
94%
Hodgdon Superperformance
<<locked>>
89%
55927
90%
**59
100%
Hodgdon VARGET
<<locked>>
85%
55999
90%
**41
100%
IMR 4064
<<locked>>
85%
55666
89%
**21
100%
IMR 4166 Enduron
<<locked>>
86%
55521
89%
**18
100%
IMR 4350
<<locked>>
92%
56101
90%
**71
99%
IMR 4451 Enduron
<<locked>>
87%
55956
90%
**51
100%
IMR 4831
<<locked>>
96%
55912
90%
**84
100%
IMR 4955 Enduron
<<locked>>
97%
52620
84%
**21
97%
IMR 7828 SSC
<<locked>>
97%
52402
84%
**26
97%
Lovex S065
<<locked>>
89%
55434
89%
**38
100%
Lovex S070
<<locked>>
91%
56072
90%
**67
100%
Lovex S071
<<locked>>
97%
42728
69%
**84
99%
Norma 204 👍
<<locked>>
91%
55405
89%
**03
99%
Norma MRP
<<locked>>
97%
53693
86%
**76
100%
Norma URP
<<locked>>
91%
55651
89%
**00
100%
Ramshot Hunter 👍
<<locked>>
92%
56101
90%
**33
100%
Ramshot Magnum
<<locked>>
97%
49240
79%
**57
98%
ReloadSwiss RS 50
<<locked>>
84%
55651
89%
**48
100%
ReloadSwiss RS 60
<<locked>>
88%
55999
90%
**66
100%
ReloadSwiss RS 62
<<locked>>
91%
55825
90%
**30
100%
ReloadSwiss RS 70
<<locked>>
91%
55521
89%
**69
100%
ReloadSwiss RS 76
<<locked>>
97%
40176
64%
**75
97%
Rottweil R 903
<<locked>>
86%
56086
90%
**48
100%
Rottweil R 904
<<locked>>
95%
55332
89%
**71
98%
Rottweil R 905
<<locked>>
97%
55840
90%
**30
99%
Rottweil R 907
<<locked>>
88%
55245
89%
**41
99%
SNPE Vectan SP 11
<<locked>>
85%
55651
89%
**77
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
55637
89%
**16
100%
SNPE Vectan Tubal 7000
<<locked>>
90%
55941
90%
**12
100%
Shooters World Long Rifle
<<locked>>
89%
55434
89%
**38
100%
Somchem S355
<<locked>>
86%
55651
89%
**38
100%
Somchem S361
<<locked>>
94%
56072
90%
**54
97%
Somchem S365
<<locked>>
93%
55419
89%
**07
100%
Somchem S385
<<locked>>
96%
55869
90%
**94
99%
Vihtavuori N135
<<locked>>
87%
55970
90%
**52
100%
Vihtavuori N150
<<locked>>
91%
56072
90%
**02
100%
Vihtavuori N160
<<locked>>
89%
56043
90%
**64
100%
Vihtavuori N165
<<locked>>
97%
47166
76%
**52
98%
Vihtavuori N550
<<locked>>
88%
55521
89%
**94
100%
Vihtavuori N555 👍
<<locked>>
97%
53534
86%
**03
100%
Vihtavuori N560
<<locked>>
97%
50488
81%
**07
96%
Vihtavuori N565
<<locked>>
97%
42699
68%
**59
95%
Winchester 6.5 StaBALL
<<locked>>
90%
55695
89%
**44
100%
Winchester 760
<<locked>>
87%
56057
90%
**26
100%
Winchester StaBALL HD 👍
<<locked>>
97%
42772
69%
**87
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
49530
79%
**43
100%
[ADI AR 2209]*
<<locked>>
81%
34301
55%
**23
93%
[ADI AR 2213]*
<<locked>>
84%
33460
54%
**23
90%
[ADI AR 2217]*
<<locked>>
94%
34287
55%
**29
90%
[ADI AR 2225]*
<<locked>>
91%
28326
45%
**21
90%
Accurate 2700
<<locked>>
81%
47805
77%
**80
98%
[Accurate 3100]*
<<locked>>
81%
29921
48%
**08
94%
Accurate 4350
<<locked>>
81%
40683
65%
**57
99%
[Accurate MAGPRO]*
<<locked>>
89%
37681
60%
**51
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
50372
81%
**66
100%
Alliant Reloder-16
<<locked>>
81%
39291
63%
**64
99%
Alliant Reloder-17
<<locked>>
81%
44889
72%
**82
100%
[Alliant Reloder-19]*
<<locked>>
81%
34200
55%
**26
93%
[Alliant Reloder-22]*
<<locked>>
81%
30139
48%
**60
91%
Alliant Reloder-23
<<locked>>
81%
29080
47%
**47
98%
[Alliant Reloder-25]*
<<locked>>
81%
25498
41%
**36
91%
Alliant Reloder-26
<<locked>>
81%
31053
50%
**56
97%
[Hodgdon H1000]*
<<locked>>
94%
34287
55%
**29
90%
Hodgdon H380
<<locked>>
81%
50995
82%
**89
100%
Hodgdon H414
<<locked>>
81%
46311
74%
**66
98%
Hodgdon H4350
<<locked>>
81%
38072
61%
**65
96%
[Hodgdon H4831]*
<<locked>>
87%
34490
55%
**13
90%
[Hodgdon H4831 SC]*
<<locked>>
83%
34490
55%
**13
90%
Hodgdon Hybrid 100V
<<locked>>
81%
36869
59%
**59
100%
Hodgdon LVR
<<locked>>
81%
43120
69%
**97
99%
[Hodgdon Retumbo]*
<<locked>>
91%
28326
45%
**21
90%
Hodgdon Superperformance
<<locked>>
81%
41452
66%
**16
97%
Hodgdon VARGET
<<locked>>
81%
49269
79%
**39
100%
IMR 4064
<<locked>>
81%
48689
78%
**23
100%
IMR 4166 Enduron
<<locked>>
81%
47514
76%
**97
99%
IMR 4350
<<locked>>
81%
39871
64%
**92
96%
IMR 4451 Enduron
<<locked>>
81%
45832
73%
**87
98%
IMR 4831
<<locked>>
81%
35230
56%
**33
98%
[IMR 4955 Enduron]*
<<locked>>
82%
33272
53%
**51
90%
[IMR 7828 SSC]*
<<locked>>
83%
33475
54%
**33
90%
Lovex S065
<<locked>>
81%
43511
70%
**51
99%
Lovex S070
<<locked>>
81%
41510
67%
**28
98%
[Lovex S071]*
<<locked>>
81%
25904
42%
**00
92%
Norma 204
<<locked>>
81%
39392
63%
**25
95%
[Norma MRP]*
<<locked>>
81%
31343
50%
**23
93%
Norma URP
<<locked>>
81%
40190
64%
**48
99%
Ramshot Hunter
<<locked>>
81%
39059
63%
**34
98%
[Ramshot Magnum]*
<<locked>>
82%
28558
46%
**08
90%
ReloadSwiss RS 50
<<locked>>
81%
51082
82%
**82
99%
ReloadSwiss RS 60
<<locked>>
81%
43236
69%
**69
100%
ReloadSwiss RS 62
<<locked>>
81%
40248
65%
**74
99%
ReloadSwiss RS 70
<<locked>>
81%
38870
62%
**80
99%
[ReloadSwiss RS 76]*
<<locked>>
87%
28892
46%
**64
90%
Rottweil R 903
<<locked>>
81%
47747
77%
**23
100%
[Rottweil R 904]*
<<locked>>
81%
35737
57%
**13
92%
[Rottweil R 905]*
<<locked>>
81%
33388
54%
**16
93%
Rottweil R 907
<<locked>>
81%
44672
72%
**67
98%
SNPE Vectan SP 11
<<locked>>
81%
49124
79%
**79
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
48776
78%
**28
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
42438
68%
**92
98%
Shooters World Long Rifle
<<locked>>
81%
43511
70%
**51
99%
Somchem S355
<<locked>>
81%
48153
77%
**26
100%
[Somchem S361]*
<<locked>>
81%
36289
58%
**06
91%
Somchem S365
<<locked>>
81%
36579
59%
**11
100%
[Somchem S385]*
<<locked>>
81%
33895
54%
**00
94%
Vihtavuori N135
<<locked>>
81%
46644
75%
**28
100%
Vihtavuori N150
<<locked>>
81%
41234
66%
**82
100%
Vihtavuori N160
<<locked>>
81%
43482
70%
**74
100%
[Vihtavuori N165]*
<<locked>>
81%
28543
46%
**56
91%
Vihtavuori N550
<<locked>>
81%
43961
70%
**16
100%
Vihtavuori N555
<<locked>>
81%
32068
51%
**13
98%
[Vihtavuori N560]*
<<locked>>
85%
34040
55%
**65
90%
[Vihtavuori N565]*
<<locked>>
89%
32648
52%
**36
90%
Winchester 6.5 StaBALL
<<locked>>
81%
40582
65%
**18
100%
Winchester 760
<<locked>>
81%
46311
74%
**66
98%
Winchester StaBALL HD
<<locked>>
81%
25715
41%
**28
97%

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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