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

Recommended Powder(s): Hodgdon H414, Hodgdon Superperformance, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70

.300 Win. 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 Win. Mag. load data
Case Length (l3):
2.620" | 66.5mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.900" | 22.9mm
Shank Seated Depth:
0.760" | 19.3mm
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_B1374_C380
Last updated:
2025-02-02
Recommended Twist Rate:
1:10 - 1:8

Load data for 192 loads in caliber .300 Win. Mag. with .308 | 190gr Hornady CX bullet and 96 powders such as Hodgdon H414, 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".

  • Muzzle velocity vs. barrel length

    Every 1 inch additional barrel length increases muzzle velocity by approx. 30.3 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 2206H
<<locked>>
84%
62366
100%
**12
100%
ADI AR 2208
<<locked>>
89%
61801
99%
**99
100%
ADI AR 2209
<<locked>>
97%
54737
88%
**99
98%
ADI AR 2213
<<locked>>
97%
49269
79%
**36
96%
[ADI AR 2225]*
<<locked>>
97%
32010
51%
**02
92%
Accurate 2700
<<locked>>
90%
62033
99%
**66
100%
Accurate 3100
<<locked>>
97%
48820
78%
**71
99%
Accurate 4064
<<locked>>
88%
62163
100%
**62
100%
Accurate 4350
<<locked>>
95%
61975
99%
**64
100%
[Accurate MAGPRO]*
<<locked>>
97%
47268
76%
**30
93%
Alliant Reloder- TS 15.5
<<locked>>
89%
61757
99%
**08
100%
Alliant Reloder-15
<<locked>>
87%
61670
99%
**28
100%
Alliant Reloder-16
<<locked>>
96%
61366
98%
**00
100%
Alliant Reloder-17
<<locked>>
91%
61409
98%
**04
100%
Alliant Reloder-19
<<locked>>
97%
54694
88%
**92
98%
Alliant Reloder-22
<<locked>>
97%
48327
77%
**36
97%
Alliant Reloder-23
<<locked>>
97%
45614
73%
**84
100%
Alliant Reloder-25
<<locked>>
97%
39682
64%
**98
98%
Alliant Reloder-26
<<locked>>
97%
52286
84%
**67
100%
Baschieri & Pellagri 107
<<locked>>
84%
62192
100%
**31
100%
Hodgdon CFE223
<<locked>>
87%
62221
100%
**64
100%
Hodgdon H380
<<locked>>
88%
61743
99%
**28
100%
Hodgdon H414 👍
<<locked>>
91%
61772
99%
**90
100%
Hodgdon H4350
<<locked>>
97%
59654
96%
**02
99%
[Hodgdon H4831]*
<<locked>>
97%
46035
74%
**28
94%
Hodgdon H4831 SC
<<locked>>
97%
51866
83%
**30
96%
Hodgdon Hybrid 100V
<<locked>>
97%
59205
95%
**89
100%
Hodgdon LVR
<<locked>>
93%
61931
99%
**64
100%
[Hodgdon Retumbo]*
<<locked>>
97%
32010
51%
**02
92%
Hodgdon Superperformance 👍
<<locked>>
93%
62308
100%
**23
100%
Hodgdon VARGET
<<locked>>
90%
62366
100%
**02
100%
IMR 3031
<<locked>>
86%
61453
99%
**62
100%
IMR 4064
<<locked>>
90%
62163
100%
**89
100%
IMR 4166 Enduron
<<locked>>
91%
61873
99%
**92
100%
IMR 4350
<<locked>>
96%
61525
99%
**28
100%
IMR 4451 Enduron
<<locked>>
92%
62004
99%
**15
100%
IMR 4831
<<locked>>
97%
55956
90%
**76
100%
IMR 4895
<<locked>>
86%
62250
100%
**41
100%
IMR 4955 Enduron
<<locked>>
97%
51300
82%
**84
96%
IMR 7828 SSC
<<locked>>
97%
50560
81%
**76
96%
Lovex D073.6
<<locked>>
84%
62120
100%
**76
100%
Lovex S060
<<locked>>
85%
61641
99%
**49
100%
Lovex S062
<<locked>>
88%
61844
99%
**72
100%
Lovex S065
<<locked>>
94%
62134
100%
**15
100%
Lovex S070
<<locked>>
95%
62294
100%
**38
100%
Lovex S071
<<locked>>
97%
40582
65%
**20
98%
Norma 201
<<locked>>
85%
61975
99%
**69
100%
Norma 202
<<locked>>
84%
61743
99%
**53
100%
Norma 203B
<<locked>>
87%
61569
99%
**18
100%
Norma 204
<<locked>>
95%
61467
99%
**71
99%
Norma MRP
<<locked>>
97%
50850
82%
**15
99%
Norma URP
<<locked>>
96%
62091
100%
**71
100%
Ramshot Big Game
<<locked>>
87%
62018
99%
**44
100%
Ramshot Hunter 👍
<<locked>>
96%
61902
99%
**90
100%
Ramshot Magnum
<<locked>>
97%
46920
75%
**97
98%
ReloadSwiss RS 14
<<locked>>
97%
35752
57%
**99
100%
ReloadSwiss RS 50
<<locked>>
88%
61554
99%
**15
100%
ReloadSwiss RS 52
<<locked>>
87%
61424
98%
**28
100%
ReloadSwiss RS 60
<<locked>>
93%
61917
99%
**30
100%
ReloadSwiss RS 62 👍
<<locked>>
95%
62134
100%
**90
100%
ReloadSwiss RS 70 👍
<<locked>>
95%
61656
99%
**40
100%
ReloadSwiss RS 76
<<locked>>
97%
38232
61%
**98
96%
Rottweil R 902
<<locked>>
86%
61612
99%
**53
100%
Rottweil R 903
<<locked>>
90%
61960
99%
**12
100%
Rottweil R 904
<<locked>>
97%
56753
91%
**76
98%
Rottweil R 905
<<locked>>
97%
53925
86%
**79
98%
Rottweil R 907
<<locked>>
93%
61308
98%
**08
100%
SNPE Vectan SP 11
<<locked>>
89%
61772
99%
**41
100%
SNPE Vectan SP 7
<<locked>>
83%
62033
99%
**99
100%
SNPE Vectan SP 9
<<locked>>
85%
62062
100%
**08
100%
SNPE Vectan Tubal 3000
<<locked>>
84%
61859
99%
**84
100%
SNPE Vectan Tubal 5000
<<locked>>
90%
62192
100%
**74
100%
SNPE Vectan Tubal 7000
<<locked>>
94%
62265
100%
**72
100%
Shooters World Long Rifle
<<locked>>
94%
62134
100%
**15
100%
Shooters World Match Rifle
<<locked>>
84%
62120
100%
**76
100%
Shooters World Precision
<<locked>>
88%
61844
99%
**72
100%
Somchem S335
<<locked>>
85%
62033
99%
**90
100%
Somchem S341
<<locked>>
83%
61554
99%
**79
100%
Somchem S355
<<locked>>
90%
61801
99%
**05
100%
Somchem S361
<<locked>>
97%
58711
94%
**66
97%
Somchem S365
<<locked>>
97%
59059
95%
**41
100%
Somchem S385
<<locked>>
97%
54244
87%
**53
99%
Vihtavuori N133
<<locked>>
86%
61772
99%
**61
100%
Vihtavuori N135
<<locked>>
92%
62265
100%
**10
100%
Vihtavuori N140
<<locked>>
87%
62279
100%
**30
100%
Vihtavuori N150
<<locked>>
96%
62323
100%
**69
100%
Vihtavuori N160
<<locked>>
93%
61946
99%
**25
100%
Vihtavuori N165
<<locked>>
97%
45020
72%
**92
97%
Vihtavuori N540
<<locked>>
86%
61569
99%
**53
100%
Vihtavuori N550
<<locked>>
93%
62105
100%
**77
100%
Vihtavuori N555
<<locked>>
97%
51314
82%
**53
100%
Vihtavuori N560
<<locked>>
97%
48631
78%
**56
95%
[Vihtavuori N565]*
<<locked>>
97%
40886
66%
**02
93%
Winchester 6.5 StaBALL
<<locked>>
95%
61989
99%
**02
100%
Winchester 760
<<locked>>
91%
61772
99%
**90
100%
Winchester StaBALL HD
<<locked>>
97%
39682
64%
**26
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
56434
90%
**36
100%
ADI AR 2208
<<locked>>
81%
47892
77%
**95
100%
[ADI AR 2209]*
<<locked>>
81%
33156
53%
**65
91%
[ADI AR 2213]*
<<locked>>
86%
34737
56%
**25
90%
[ADI AR 2225]*
<<locked>>
94%
29457
47%
**23
90%
Accurate 2700
<<locked>>
81%
46064
74%
**30
97%
[Accurate 3100]*
<<locked>>
81%
28660
46%
**47
93%
Accurate 4064
<<locked>>
81%
50821
81%
**18
100%
Accurate 4350
<<locked>>
81%
38943
62%
**03
99%
[Accurate MAGPRO]*
<<locked>>
91%
39059
63%
**52
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
48559
78%
**18
100%
Alliant Reloder-15
<<locked>>
81%
51866
83%
**90
100%
Alliant Reloder-16
<<locked>>
81%
37753
61%
**03
99%
Alliant Reloder-17
<<locked>>
81%
42859
69%
**25
100%
[Alliant Reloder-19]*
<<locked>>
81%
32996
53%
**62
92%
[Alliant Reloder-22]*
<<locked>>
82%
30284
49%
**36
90%
Alliant Reloder-23
<<locked>>
81%
27731
44%
**74
97%
[Alliant Reloder-25]*
<<locked>>
82%
24932
40%
**82
90%
Alliant Reloder-26
<<locked>>
81%
29370
47%
**75
95%
Baschieri & Pellagri 107
<<locked>>
81%
56376
90%
**59
100%
Hodgdon CFE223
<<locked>>
81%
50952
82%
**07
100%
Hodgdon H380
<<locked>>
81%
49197
79%
**44
100%
Hodgdon H414
<<locked>>
81%
44295
71%
**12
98%
Hodgdon H4350
<<locked>>
81%
36651
59%
**05
95%
[Hodgdon H4831]*
<<locked>>
89%
35795
57%
**15
90%
[Hodgdon H4831 SC]*
<<locked>>
86%
35795
57%
**15
90%
Hodgdon Hybrid 100V
<<locked>>
81%
35172
56%
**05
99%
Hodgdon LVR
<<locked>>
81%
41713
67%
**46
99%
[Hodgdon Retumbo]*
<<locked>>
94%
29457
47%
**23
90%
Hodgdon Superperformance
<<locked>>
81%
39871
64%
**59
96%
Hodgdon VARGET
<<locked>>
81%
47514
76%
**92
100%
IMR 3031
<<locked>>
81%
53127
85%
**57
100%
IMR 4064
<<locked>>
81%
47094
76%
**75
100%
IMR 4166 Enduron
<<locked>>
81%
46035
74%
**49
98%
IMR 4350
<<locked>>
81%
38551
62%
**44
96%
IMR 4451 Enduron
<<locked>>
81%
44280
71%
**43
98%
IMR 4831
<<locked>>
81%
33750
54%
**72
97%
IMR 4895
<<locked>>
81%
53142
85%
**10
100%
[IMR 4955 Enduron]*
<<locked>>
84%
34461
55%
**46
90%
[IMR 7828 SSC]*
<<locked>>
85%
34519
55%
**31
90%
Lovex D073.6
<<locked>>
81%
57217
92%
**17
100%
Lovex S060
<<locked>>
81%
55201
89%
**57
100%
Lovex S062
<<locked>>
81%
50691
81%
**21
100%
Lovex S065
<<locked>>
81%
41945
67%
**97
98%
Lovex S070
<<locked>>
81%
40045
64%
**77
97%
[Lovex S071]*
<<locked>>
81%
24468
39%
**26
91%
Norma 201
<<locked>>
81%
55347
89%
**80
100%
Norma 202
<<locked>>
81%
55825
90%
**80
100%
Norma 203B
<<locked>>
81%
51227
82%
**77
100%
[Norma 204]*
<<locked>>
81%
37739
61%
**64
94%
[Norma MRP]*
<<locked>>
81%
29892
48%
**52
92%
Norma URP
<<locked>>
81%
38725
62%
**00
99%
Ramshot Big Game
<<locked>>
81%
51387
82%
**90
100%
Ramshot Hunter
<<locked>>
81%
37217
60%
**77
97%
[Ramshot Magnum]*
<<locked>>
84%
29414
47%
**97
90%
ReloadSwiss RS 14
<<locked>>
92%
33199
53%
**54
100%
ReloadSwiss RS 50
<<locked>>
81%
49197
79%
**28
99%
ReloadSwiss RS 52
<<locked>>
81%
50952
82%
**87
100%
ReloadSwiss RS 60
<<locked>>
81%
41437
66%
**21
100%
ReloadSwiss RS 62
<<locked>>
81%
38537
62%
**20
98%
ReloadSwiss RS 70
<<locked>>
81%
37478
60%
**26
98%
[ReloadSwiss RS 76]*
<<locked>>
89%
29733
48%
**56
90%
Rottweil R 902
<<locked>>
81%
52518
84%
**31
100%
Rottweil R 903
<<locked>>
81%
46151
74%
**85
100%
[Rottweil R 904]*
<<locked>>
81%
34534
55%
**59
91%
[Rottweil R 905]*
<<locked>>
81%
31923
51%
**46
92%
Rottweil R 907
<<locked>>
81%
42975
69%
**10
97%
SNPE Vectan SP 11
<<locked>>
81%
47007
75%
**31
100%
SNPE Vectan SP 7
<<locked>>
81%
57827
93%
**43
100%
SNPE Vectan SP 9
<<locked>>
81%
54621
88%
**10
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
55811
89%
**08
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
47224
76%
**87
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
40944
66%
**41
97%
Shooters World Long Rifle
<<locked>>
81%
41945
67%
**97
98%
Shooters World Match Rifle
<<locked>>
81%
57217
92%
**17
100%
Shooters World Precision
<<locked>>
81%
50691
81%
**21
100%
Somchem S335
<<locked>>
81%
55709
89%
**08
100%
Somchem S341
<<locked>>
81%
57305
92%
**26
100%
Somchem S355
<<locked>>
81%
46398
74%
**79
100%
[Somchem S361]*
<<locked>>
81%
34940
56%
**46
90%
Somchem S365
<<locked>>
81%
35056
56%
**54
100%
[Somchem S385]*
<<locked>>
81%
32590
52%
**36
93%
Vihtavuori N133
<<locked>>
81%
52678
84%
**49
100%
Vihtavuori N135
<<locked>>
81%
45063
72%
**87
100%
Vihtavuori N140
<<locked>>
81%
52489
84%
**08
100%
Vihtavuori N150
<<locked>>
81%
39624
64%
**31
100%
Vihtavuori N160
<<locked>>
81%
41539
67%
**20
99%
[Vihtavuori N165]*
<<locked>>
82%
28572
46%
**24
90%
Vihtavuori N540
<<locked>>
81%
51982
83%
**28
100%
Vihtavuori N550
<<locked>>
81%
42148
68%
**59
99%
Vihtavuori N555
<<locked>>
81%
30589
49%
**46
97%
[Vihtavuori N560]*
<<locked>>
87%
35476
57%
**74
90%
[Vihtavuori N565]*
<<locked>>
91%
33750
54%
**38
90%
Winchester 6.5 StaBALL
<<locked>>
81%
39073
63%
**61
100%
Winchester 760
<<locked>>
81%
44295
71%
**12
98%
Winchester StaBALL HD
<<locked>>
81%
24439
39%
**47
95%

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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