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Load data for .300 H & H Mag. + .308 | 190gr Hornady CX

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

.300 H & H Mag. + .308 | 190gr Hornady CX

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 190gr Hornady CX
Manufacturer SKU:
30738
Bullet Weight:
190gr | 12.3g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.570" | 39.9mm
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:
0.874" | 22.2mm
Shank Seated Depth:
0.734" | 18.6mm
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_B1374_C357
Last updated:
2025-01-01
Recommended Twist Rate:
1:10 - 1:8

Load data for 158 loads in caliber .300 H & H Mag. with .308 | 190gr Hornady CX bullet and 79 powders such as Alliant Reloder-16, Hodgdon Superperformance, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70. 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%
55782
89%
**80
100%
ADI AR 2209
<<locked>>
97%
52243
84%
**20
97%
[ADI AR 2213]*
<<locked>>
97%
46224
74%
**38
94%
Accurate 2700
<<locked>>
88%
55695
89%
**44
99%
Accurate 3100
<<locked>>
97%
45368
73%
**82
98%
Accurate 4064
<<locked>>
86%
55985
90%
**64
100%
Accurate 4350
<<locked>>
94%
55796
89%
**59
100%
Alliant Reloder- TS 15.5
<<locked>>
87%
55985
90%
**97
100%
Alliant Reloder-15
<<locked>>
85%
55593
89%
**13
100%
Alliant Reloder-16 👍
<<locked>>
95%
55143
88%
**89
100%
Alliant Reloder-17
<<locked>>
91%
55970
90%
**08
100%
Alliant Reloder-19
<<locked>>
97%
51532
83%
**13
97%
Alliant Reloder-22
<<locked>>
97%
44831
72%
**44
96%
Alliant Reloder-23
<<locked>>
97%
42525
68%
**02
100%
Alliant Reloder-25
<<locked>>
97%
37724
60%
**13
97%
Alliant Reloder-26
<<locked>>
97%
47688
76%
**62
100%
Hodgdon CFE223
<<locked>>
85%
55782
89%
**49
100%
Hodgdon H380
<<locked>>
87%
56101
90%
**13
100%
Hodgdon H414
<<locked>>
90%
55869
90%
**72
99%
Hodgdon H4350
<<locked>>
97%
56101
90%
**20
99%
[Hodgdon H4831]*
<<locked>>
97%
43105
69%
**33
93%
[Hodgdon H4831 SC]*
<<locked>>
97%
48472
78%
**31
94%
Hodgdon Hybrid 100V
<<locked>>
97%
55666
89%
**20
100%
Hodgdon LVR
<<locked>>
92%
55390
89%
**49
100%
Hodgdon Superperformance 👍
<<locked>>
92%
55709
89%
**05
99%
Hodgdon VARGET
<<locked>>
88%
56057
90%
**90
100%
IMR 3031
<<locked>>
84%
55680
89%
**64
100%
IMR 4064
<<locked>>
88%
55753
89%
**74
100%
IMR 4166 Enduron
<<locked>>
89%
55927
90%
**67
99%
IMR 4350
<<locked>>
95%
55593
89%
**13
99%
IMR 4451 Enduron
<<locked>>
90%
55477
89%
**87
99%
IMR 4831
<<locked>>
97%
52533
84%
**94
100%
IMR 4895
<<locked>>
84%
55259
89%
**13
100%
IMR 4955 Enduron
<<locked>>
97%
48530
78%
**98
95%
IMR 7828 SSC
<<locked>>
97%
47761
77%
**84
95%
Lovex S062
<<locked>>
86%
55579
89%
**61
100%
Lovex S065
<<locked>>
92%
55927
90%
**00
100%
Lovex S070
<<locked>>
94%
56057
90%
**17
99%
Lovex S071
<<locked>>
97%
37811
61%
**41
97%
Norma 203B
<<locked>>
85%
55825
90%
**10
100%
Norma 204
<<locked>>
94%
55332
89%
**43
98%
Norma MRP
<<locked>>
97%
47935
77%
**26
98%
Norma URP
<<locked>>
94%
55579
89%
**53
100%
Ramshot Big Game
<<locked>>
85%
55796
89%
**26
100%
Ramshot Hunter 👍
<<locked>>
95%
55811
89%
**76
100%
Ramshot Magnum
<<locked>>
97%
43888
70%
**02
96%
ReloadSwiss RS 50
<<locked>>
86%
55883
90%
**97
99%
ReloadSwiss RS 52
<<locked>>
85%
55521
89%
**26
100%
ReloadSwiss RS 60
<<locked>>
91%
55666
89%
**22
100%
ReloadSwiss RS 62 👍
<<locked>>
94%
56057
90%
**82
100%
ReloadSwiss RS 70 👍
<<locked>>
94%
55085
88%
**22
100%
[ReloadSwiss RS 76]*
<<locked>>
97%
36347
58%
**10
94%
Rottweil R 902
<<locked>>
85%
55985
90%
**54
100%
Rottweil R 903
<<locked>>
89%
55724
89%
**00
100%
Rottweil R 904
<<locked>>
97%
53330
86%
**80
96%
Rottweil R 905
<<locked>>
97%
50502
81%
**94
97%
Rottweil R 907
<<locked>>
91%
55651
89%
**90
99%
SNPE Vectan SP 11
<<locked>>
88%
55999
90%
**36
100%
SNPE Vectan Tubal 5000
<<locked>>
88%
55840
90%
**72
100%
SNPE Vectan Tubal 7000
<<locked>>
92%
55172
88%
**44
99%
Shooters World Long Rifle
<<locked>>
92%
55927
90%
**00
100%
Shooters World Precision
<<locked>>
86%
55579
89%
**61
100%
Somchem S355
<<locked>>
89%
55825
90%
**97
100%
Somchem S361
<<locked>>
97%
55637
89%
**84
96%
Somchem S365
<<locked>>
97%
55970
90%
**76
100%
Somchem S385
<<locked>>
97%
50691
81%
**64
98%
Vihtavuori N133
<<locked>>
84%
55477
89%
**59
100%
Vihtavuori N135
<<locked>>
90%
56101
90%
**12
100%
Vihtavuori N140
<<locked>>
85%
56086
90%
**25
100%
Vihtavuori N150
<<locked>>
94%
55637
89%
**51
100%
Vihtavuori N160
<<locked>>
91%
55622
89%
**13
100%
Vihtavuori N165
<<locked>>
97%
42670
68%
**20
96%
Vihtavuori N540
<<locked>>
85%
55506
89%
**51
100%
Vihtavuori N550
<<locked>>
91%
55796
89%
**59
100%
Vihtavuori N555
<<locked>>
97%
47543
76%
**74
100%
[Vihtavuori N560]*
<<locked>>
97%
45745
73%
**64
94%
Winchester 6.5 StaBALL
<<locked>>
93%
55317
89%
**94
100%
Winchester 760
<<locked>>
90%
55869
90%
**72
99%
Winchester StaBALL HD
<<locked>>
97%
36013
58%
**41
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
45818
73%
**30
100%
[ADI AR 2209]*
<<locked>>
82%
32343
52%
**10
90%
[ADI AR 2213]*
<<locked>>
89%
36738
59%
**31
90%
Accurate 2700
<<locked>>
81%
43729
70%
**51
96%
[Accurate 3100]*
<<locked>>
81%
26672
43%
**65
91%
Accurate 4064
<<locked>>
81%
48080
77%
**56
100%
Accurate 4350
<<locked>>
81%
36550
59%
**28
98%
Alliant Reloder- TS 15.5
<<locked>>
81%
45861
74%
**49
100%
Alliant Reloder-15
<<locked>>
81%
49240
79%
**15
100%
Alliant Reloder-16
<<locked>>
81%
35766
57%
**34
98%
Alliant Reloder-17
<<locked>>
81%
40234
65%
**49
100%
[Alliant Reloder-19]*
<<locked>>
82%
31676
51%
**97
90%
[Alliant Reloder-22]*
<<locked>>
86%
31502
51%
**36
90%
Alliant Reloder-23
<<locked>>
81%
26121
42%
**98
95%
[Alliant Reloder-25]*
<<locked>>
85%
26063
42%
**88
90%
[Alliant Reloder-26]*
<<locked>>
81%
27630
44%
**90
93%
Hodgdon CFE223
<<locked>>
81%
47921
77%
**31
100%
Hodgdon H380
<<locked>>
81%
46528
75%
**69
99%
Hodgdon H414
<<locked>>
81%
41742
67%
**36
97%
[Hodgdon H4350]*
<<locked>>
81%
34621
56%
**26
93%
[Hodgdon H4831]*
<<locked>>
92%
37449
60%
**11
90%
[Hodgdon H4831 SC]*
<<locked>>
88%
37231
60%
**08
90%
Hodgdon Hybrid 100V
<<locked>>
81%
33185
53%
**29
98%
Hodgdon LVR
<<locked>>
81%
39320
63%
**70
98%
Hodgdon Superperformance
<<locked>>
81%
37260
60%
**64
95%
Hodgdon VARGET
<<locked>>
81%
45440
73%
**26
100%
IMR 3031
<<locked>>
81%
50459
81%
**92
100%
IMR 4064
<<locked>>
81%
44918
72%
**03
100%
IMR 4166 Enduron
<<locked>>
81%
44048
71%
**77
97%
[IMR 4350]*
<<locked>>
81%
36463
58%
**69
94%
IMR 4451 Enduron
<<locked>>
81%
42409
68%
**67
97%
IMR 4831
<<locked>>
81%
31734
51%
**00
96%
IMR 4895
<<locked>>
81%
50430
81%
**44
100%
[IMR 4955 Enduron]*
<<locked>>
88%
36535
59%
**59
90%
[IMR 7828 SSC]*
<<locked>>
89%
36753
59%
**44
90%
Lovex S062
<<locked>>
81%
48457
78%
**59
100%
Lovex S065
<<locked>>
81%
39610
64%
**18
97%
Lovex S070
<<locked>>
81%
37913
61%
**98
96%
[Lovex S071]*
<<locked>>
83%
24743
40%
**13
90%
Norma 203B
<<locked>>
81%
48602
78%
**02
100%
[Norma 204]*
<<locked>>
81%
35897
58%
**88
92%
[Norma MRP]*
<<locked>>
82%
28863
46%
**90
90%
Norma URP
<<locked>>
81%
36303
58%
**15
98%
Ramshot Big Game
<<locked>>
81%
48689
78%
**28
100%
Ramshot Hunter
<<locked>>
81%
35288
57%
**02
95%
[Ramshot Magnum]*
<<locked>>
88%
31343
50%
**13
90%
ReloadSwiss RS 50
<<locked>>
81%
46601
75%
**52
98%
ReloadSwiss RS 52
<<locked>>
81%
48095
77%
**18
100%
ReloadSwiss RS 60
<<locked>>
81%
38972
62%
**46
100%
ReloadSwiss RS 62
<<locked>>
81%
36071
58%
**34
97%
ReloadSwiss RS 70
<<locked>>
81%
35447
57%
**41
97%
[ReloadSwiss RS 76]*
<<locked>>
92%
31314
50%
**69
90%
Rottweil R 902
<<locked>>
81%
50212
81%
**69
100%
Rottweil R 903
<<locked>>
81%
43453
70%
**13
100%
[Rottweil R 904]*
<<locked>>
83%
34635
56%
**26
90%
[Rottweil R 905]*
<<locked>>
82%
30995
50%
**90
90%
Rottweil R 907
<<locked>>
81%
41046
66%
**41
96%
SNPE Vectan SP 11
<<locked>>
81%
44570
71%
**62
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
44947
72%
**25
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
38812
62%
**62
96%
Shooters World Long Rifle
<<locked>>
81%
39610
64%
**18
97%
Shooters World Precision
<<locked>>
81%
48457
78%
**59
100%
Somchem S355
<<locked>>
81%
43729
70%
**07
100%
[Somchem S361]*
<<locked>>
84%
36651
59%
**52
90%
Somchem S365
<<locked>>
81%
32721
52%
**75
99%
[Somchem S385]*
<<locked>>
81%
30443
49%
**57
91%
Vihtavuori N133
<<locked>>
81%
50546
81%
**93
100%
Vihtavuori N135
<<locked>>
81%
42801
69%
**25
100%
Vihtavuori N140
<<locked>>
81%
49748
80%
**39
100%
Vihtavuori N150
<<locked>>
81%
37826
61%
**72
100%
Vihtavuori N160
<<locked>>
81%
39305
63%
**48
98%
[Vihtavuori N165]*
<<locked>>
86%
30008
48%
**38
90%
Vihtavuori N540
<<locked>>
81%
49298
79%
**66
100%
Vihtavuori N550
<<locked>>
81%
39784
64%
**90
98%
Vihtavuori N555
<<locked>>
81%
28456
46%
**70
96%
[Vihtavuori N560]*
<<locked>>
90%
36941
59%
**80
90%
Winchester 6.5 StaBALL
<<locked>>
81%
36927
59%
**88
99%
Winchester 760
<<locked>>
81%
41742
67%
**36
97%
[Winchester StaBALL HD]*
<<locked>>
81%
23090
37%
**56
93%

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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