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Load data for .300 H & H Mag. + .308 | 225gr | Hornady BTHP

Recommended Powder(s):

.300 H & H Mag. + .308 | 225gr | Hornady BTHP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 225gr | Hornady BTHP
Manufacturer SKU:
30903
Bullet Weight:
225gr | 14.6g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.555" | 39.5mm
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:
0.859" | 21.8mm
Shank Seated Depth:
0.699" | 17.8mm
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_B2715_C357
Last updated:
2025-01-01
Recommended Twist Rate:
1:11 - 1:9

Load data for 142 loads in caliber .300 H & H Mag. with .308 | 225gr | Hornady BTHP 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".

  • Muzzle velocity vs. barrel length

    Every 1 inch additional barrel length increases muzzle velocity by approx. 27.5 fps

  • 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.

    .

    Loading_icon.gif

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>>
83%
55143
88%
**64
100%
ADI AR 2209 👍
<<locked>>
94%
55317
89%
**66
99%
ADI AR 2213
<<locked>>
97%
53301
85%
**75
98%
ADI AR 2217
<<locked>>
97%
39015
63%
**20
95%
ADI AR 2225
<<locked>>
97%
34693
56%
**87
97%
Accurate 2700
<<locked>>
85%
55593
89%
**51
100%
Accurate 3100
<<locked>>
97%
53214
85%
**97
100%
Accurate 4350
<<locked>>
89%
55840
90%
**33
100%
Accurate MAGPRO
<<locked>>
97%
52257
84%
**79
97%
Alliant Reloder-16
<<locked>>
91%
55985
90%
**79
100%
Alliant Reloder-17
<<locked>>
86%
56130
90%
**75
100%
Alliant Reloder-19 👍
<<locked>>
95%
55419
89%
**69
99%
Alliant Reloder-22
<<locked>>
97%
52707
85%
**72
99%
Alliant Reloder-23
<<locked>>
97%
50241
81%
**10
100%
Alliant Reloder-25
<<locked>>
97%
43627
70%
**61
100%
Alliant Reloder-26 👍
<<locked>>
96%
55550
89%
**64
100%
Hodgdon H1000
<<locked>>
97%
39015
63%
**20
95%
Hodgdon H414
<<locked>>
85%
55332
89%
**52
100%
Hodgdon H4350
<<locked>>
92%
55941
90%
**20
100%
Hodgdon H4831
<<locked>>
97%
49893
80%
**70
97%
Hodgdon H4831 SC
<<locked>>
96%
55042
88%
**49
98%
Hodgdon Hybrid 100V
<<locked>>
92%
55666
89%
**00
100%
Hodgdon LVR
<<locked>>
88%
56115
90%
**39
100%
Hodgdon Retumbo
<<locked>>
97%
34693
56%
**87
97%
Hodgdon Superperformance
<<locked>>
88%
55811
89%
**98
100%
Hodgdon VARGET
<<locked>>
84%
55579
89%
**67
100%
IMR 4064
<<locked>>
84%
55550
89%
**61
100%
IMR 4166 Enduron
<<locked>>
85%
55564
89%
**64
100%
IMR 4350
<<locked>>
90%
55854
90%
**16
100%
IMR 4451 Enduron
<<locked>>
86%
55985
90%
**97
100%
IMR 4831
<<locked>>
94%
55405
89%
**16
100%
IMR 4955 Enduron
<<locked>>
97%
54955
88%
**10
98%
IMR 7828 SSC
<<locked>>
97%
55622
89%
**18
99%
Lovex S065
<<locked>>
88%
55492
89%
**80
100%
Lovex S070
<<locked>>
89%
55898
90%
**10
100%
Lovex S071
<<locked>>
97%
44657
72%
**75
100%
Norma 204
<<locked>>
90%
55985
90%
**52
99%
[Norma 217]*
<<locked>>
97%
30864
49%
**24
94%
Norma MRP 👍
<<locked>>
97%
55970
90%
**41
100%
Norma URP
<<locked>>
90%
55767
89%
**43
100%
Ramshot Hunter
<<locked>>
91%
55869
90%
**69
100%
Ramshot Magnum
<<locked>>
97%
51735
83%
**49
100%
ReloadSwiss RS 60
<<locked>>
87%
55622
89%
**92
100%
ReloadSwiss RS 62
<<locked>>
89%
55259
89%
**59
100%
ReloadSwiss RS 70
<<locked>>
90%
55579
89%
**12
100%
ReloadSwiss RS 76
<<locked>>
97%
42598
68%
**90
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
37869
61%
**72
93%
Rottweil R 903
<<locked>>
84%
55724
89%
**80
100%
Rottweil R 904
<<locked>>
94%
55753
89%
**26
99%
Rottweil R 905 👍
<<locked>>
95%
55332
89%
**62
99%
Rottweil R 907
<<locked>>
87%
55187
88%
**84
100%
SNPE Vectan SP 11
<<locked>>
84%
55782
89%
**16
100%
SNPE Vectan Tubal 5000
<<locked>>
84%
55608
89%
**56
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
55550
89%
**48
100%
Shooters World Long Rifle
<<locked>>
88%
55492
89%
**80
100%
Somchem S355
<<locked>>
84%
55361
89%
**70
100%
Somchem S361
<<locked>>
93%
56057
90%
**03
98%
Somchem S365
<<locked>>
92%
55811
89%
**46
100%
Somchem S385
<<locked>>
95%
55448
89%
**36
100%
Vihtavuori N135
<<locked>>
86%
56101
90%
**95
100%
Vihtavuori N150
<<locked>>
90%
55695
89%
**41
100%
Vihtavuori N160
<<locked>>
87%
55230
89%
**93
100%
Vihtavuori N165
<<locked>>
97%
49269
79%
**38
99%
Vihtavuori N550
<<locked>>
87%
55883
90%
**39
100%
Vihtavuori N555
<<locked>>
97%
56086
90%
**75
100%
Vihtavuori N560
<<locked>>
97%
53534
86%
**05
98%
Vihtavuori N565
<<locked>>
97%
45469
73%
**67
97%
[Vihtavuori N568]*
<<locked>>
97%
39639
64%
**95
93%
Winchester 6.5 StaBALL
<<locked>>
89%
55666
89%
**84
100%
Winchester 760
<<locked>>
85%
55332
89%
**52
100%
Winchester StaBALL HD
<<locked>>
97%
45498
73%
**66
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
51155
82%
**08
100%
ADI AR 2209
<<locked>>
81%
35781
57%
**28
95%
[ADI AR 2213]*
<<locked>>
81%
31995
51%
**59
91%
[ADI AR 2217]*
<<locked>>
89%
30995
50%
**29
90%
[ADI AR 2225]*
<<locked>>
87%
25512
41%
**28
90%
Accurate 2700
<<locked>>
81%
49429
79%
**62
99%
Accurate 3100
<<locked>>
81%
31357
50%
**19
97%
Accurate 4350
<<locked>>
81%
42496
68%
**43
100%
[Accurate MAGPRO]*
<<locked>>
84%
33881
54%
**41
90%
Alliant Reloder-16
<<locked>>
81%
40930
66%
**49
100%
Alliant Reloder-17
<<locked>>
81%
46949
75%
**61
100%
Alliant Reloder-19
<<locked>>
81%
35650
57%
**31
95%
[Alliant Reloder-22]*
<<locked>>
81%
31604
51%
**78
94%
Alliant Reloder-23
<<locked>>
81%
30327
49%
**49
99%
[Alliant Reloder-25]*
<<locked>>
81%
26556
43%
**57
94%
Alliant Reloder-26
<<locked>>
81%
32619
52%
**64
98%
[Hodgdon H1000]*
<<locked>>
89%
30995
50%
**29
90%
Hodgdon H414
<<locked>>
81%
48269
77%
**51
99%
Hodgdon H4350
<<locked>>
81%
39566
63%
**54
97%
[Hodgdon H4831]*
<<locked>>
82%
31241
50%
**06
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
33504
54%
**62
92%
Hodgdon Hybrid 100V
<<locked>>
81%
38522
62%
**51
100%
Hodgdon LVR
<<locked>>
81%
45121
72%
**85
100%
[Hodgdon Retumbo]*
<<locked>>
87%
25512
41%
**28
90%
Hodgdon Superperformance
<<locked>>
81%
43294
69%
**05
99%
Hodgdon VARGET
<<locked>>
81%
50865
82%
**08
100%
IMR 4064
<<locked>>
81%
50662
81%
**92
100%
IMR 4166 Enduron
<<locked>>
81%
49385
79%
**75
99%
IMR 4350
<<locked>>
81%
41495
67%
**87
98%
IMR 4451 Enduron
<<locked>>
81%
47456
76%
**69
99%
IMR 4831
<<locked>>
81%
37057
59%
**34
99%
[IMR 4955 Enduron]*
<<locked>>
81%
34026
55%
**39
92%
[IMR 7828 SSC]*
<<locked>>
81%
32663
52%
**92
92%
Lovex S065
<<locked>>
81%
45092
72%
**29
100%
Lovex S070
<<locked>>
81%
43337
69%
**20
99%
Lovex S071
<<locked>>
81%
27151
44%
**18
95%
Norma 204
<<locked>>
81%
40973
66%
**16
97%
[Norma 217]*
<<locked>>
91%
25425
41%
**64
90%
Norma MRP
<<locked>>
81%
32706
52%
**31
96%
Norma URP
<<locked>>
81%
42177
68%
**36
100%
Ramshot Hunter
<<locked>>
81%
40727
65%
**33
99%
[Ramshot Magnum]*
<<locked>>
81%
29008
47%
**10
93%
ReloadSwiss RS 60
<<locked>>
81%
45266
73%
**51
100%
ReloadSwiss RS 62
<<locked>>
81%
42496
68%
**69
100%
ReloadSwiss RS 70
<<locked>>
81%
40596
65%
**72
100%
[ReloadSwiss RS 76]*
<<locked>>
82%
25991
42%
**67
90%
[ReloadSwiss RS 80]*
<<locked>>
93%
33040
53%
**64
90%
Rottweil R 903
<<locked>>
81%
49937
80%
**05
100%
[Rottweil R 904]*
<<locked>>
81%
37449
60%
**18
94%
Rottweil R 905
<<locked>>
81%
34954
56%
**18
95%
Rottweil R 907
<<locked>>
81%
46253
74%
**49
99%
SNPE Vectan SP 11
<<locked>>
81%
50981
82%
**48
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
50618
81%
**00
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
44005
71%
**80
99%
Shooters World Long Rifle
<<locked>>
81%
45092
72%
**29
100%
Somchem S355
<<locked>>
81%
49937
80%
**98
100%
[Somchem S361]*
<<locked>>
81%
37608
60%
**05
93%
Somchem S365
<<locked>>
81%
38392
62%
**97
100%
Somchem S385
<<locked>>
81%
35549
57%
**08
96%
Vihtavuori N135
<<locked>>
81%
48805
78%
**03
100%
Vihtavuori N150
<<locked>>
81%
42815
69%
**60
100%
Vihtavuori N160
<<locked>>
81%
45266
73%
**52
100%
[Vihtavuori N165]*
<<locked>>
81%
29950
48%
**73
93%
Vihtavuori N550
<<locked>>
81%
46006
74%
**98
100%
Vihtavuori N555
<<locked>>
81%
33837
54%
**15
99%
[Vihtavuori N560]*
<<locked>>
81%
31792
51%
**85
91%
[Vihtavuori N565]*
<<locked>>
84%
29385
47%
**33
90%
[Vihtavuori N568]*
<<locked>>
92%
34200
55%
**70
90%
Winchester 6.5 StaBALL
<<locked>>
81%
42351
68%
**00
100%
Winchester 760
<<locked>>
81%
48269
77%
**51
99%
Winchester StaBALL HD
<<locked>>
81%
24381
39%
**49
99%

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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