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

Recommended Powder(s):

.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:
<<locked>>
Caliber:
.300 Win. Mag. load data
Case Length (l3):
2.620" | 66.5mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
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:
2026-01-22
Recommended Twist Rate:
1:10 - 1:8

Load data for 170 loads in caliber .300 Win. Mag. with .308 | 190gr Hornady CX bullet and 85 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".

  • No data yet

  • 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>>
86%
56115
90%
**20
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>>
87%
55201
89%
**74
99%
Accurate 3100
<<locked>>
97%
48820
78%
**71
99%
Accurate 4064
<<locked>>
84%
55608
89%
**84
100%
Accurate 4350
<<locked>>
92%
55550
89%
**79
100%
[Accurate MAGPRO]*
<<locked>>
97%
47268
76%
**30
93%
Alliant Reloder- TS 15.5
<<locked>>
85%
55129
88%
**20
100%
Alliant Reloder-15
<<locked>>
83%
55724
89%
**43
100%
Alliant Reloder-16
<<locked>>
93%
55332
89%
**25
100%
Alliant Reloder-17
<<locked>>
89%
55970
90%
**41
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 109]*
<<locked>>
97%
49530
79%
**57
92%
Bofors RP15
<<locked>>
97%
44179
71%
**57
96%
Bofors RP3
<<locked>>
85%
56014
90%
**40
100%
[Bofors RP30]*
<<locked>>
97%
36260
58%
**20
92%
Bofors RP5
<<locked>>
97%
48327
77%
**36
97%
Bofors RP7
<<locked>>
89%
55695
89%
**30
99%
Hodgdon CFE223
<<locked>>
84%
55419
89%
**76
100%
Hodgdon H380
<<locked>>
85%
55898
90%
**49
100%
Hodgdon H414
<<locked>>
88%
55869
90%
**02
99%
Hodgdon H4350
<<locked>>
94%
55448
89%
**46
99%
[Hodgdon H4831]*
<<locked>>
97%
46035
74%
**28
94%
Hodgdon H4831 SC
<<locked>>
97%
51866
83%
**30
96%
Hodgdon Hybrid 100V
<<locked>>
95%
55767
89%
**49
100%
Hodgdon LVR
<<locked>>
90%
55970
90%
**85
100%
[Hodgdon Retumbo]*
<<locked>>
97%
32010
51%
**02
92%
Hodgdon Superperformance 👍
<<locked>>
90%
55056
88%
**25
99%
Hodgdon VARGET
<<locked>>
86%
55550
89%
**13
100%
IMR 4064
<<locked>>
87%
56101
90%
**13
100%
IMR 4166 Enduron
<<locked>>
88%
56086
90%
**07
99%
IMR 4350
<<locked>>
93%
55941
90%
**49
99%
IMR 4451 Enduron
<<locked>>
88%
55376
89%
**26
99%
IMR 4831
<<locked>>
97%
55956
90%
**76
100%
IMR 4955 Enduron
<<locked>>
97%
51300
82%
**84
96%
IMR 7828 SSC
<<locked>>
97%
50560
81%
**76
96%
Lovex S062
<<locked>>
84%
56043
90%
**97
100%
Lovex S065
<<locked>>
90%
55666
89%
**23
100%
Lovex S070
<<locked>>
92%
55579
89%
**43
99%
Lovex S071
<<locked>>
97%
40582
65%
**20
98%
Norma 203B
<<locked>>
84%
55753
89%
**43
100%
Norma 204
<<locked>>
92%
55521
89%
**82
98%
Norma MRP
<<locked>>
97%
50850
82%
**15
99%
Norma URP
<<locked>>
93%
55999
90%
**92
100%
Ramshot Big Game
<<locked>>
83%
55245
89%
**49
100%
Ramshot Grand
<<locked>>
97%
53693
86%
**35
97%
Ramshot Hunter 👍
<<locked>>
93%
56072
90%
**08
100%
Ramshot Magnum
<<locked>>
97%
46920
75%
**97
98%
ReloadSwiss RS 14
<<locked>>
97%
35752
57%
**99
100%
ReloadSwiss RS 50
<<locked>>
85%
55825
90%
**30
100%
ReloadSwiss RS 60
<<locked>>
87%
56115
90%
**35
100%
ReloadSwiss RS 62 👍
<<locked>>
92%
55912
90%
**08
100%
ReloadSwiss RS 70 👍
<<locked>>
92%
55666
89%
**54
100%
ReloadSwiss RS 76
<<locked>>
97%
38232
61%
**98
96%
Rottweil R 903
<<locked>>
87%
55941
90%
**26
100%
Rottweil R 904
<<locked>>
96%
55927
90%
**62
97%
Rottweil R 905
<<locked>>
97%
53925
86%
**79
98%
Rottweil R 907
<<locked>>
89%
55695
89%
**30
99%
SNPE Vectan SP 11
<<locked>>
86%
55811
89%
**69
100%
SNPE Vectan Tubal 5000
<<locked>>
86%
55506
89%
**95
100%
SNPE Vectan Tubal 7000
<<locked>>
90%
55419
89%
**84
99%
Shooters World Long Rifle
<<locked>>
90%
55666
89%
**23
100%
Shooters World Precision
<<locked>>
84%
56043
90%
**97
100%
Somchem S355
<<locked>>
87%
55840
90%
**26
100%
Somchem S361
<<locked>>
95%
55463
89%
**26
97%
Somchem S365
<<locked>>
95%
55535
89%
**99
100%
Somchem S385
<<locked>>
97%
54244
87%
**53
99%
Vihtavuori N135
<<locked>>
88%
55492
89%
**31
100%
Vihtavuori N150
<<locked>>
92%
55463
89%
**84
100%
Vihtavuori N160
<<locked>>
90%
55956
90%
**53
100%
Vihtavuori N165
<<locked>>
97%
45020
72%
**92
97%
Vihtavuori N540
<<locked>>
83%
55753
89%
**84
100%
Vihtavuori N550
<<locked>>
89%
55303
89%
**82
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>>
92%
55898
90%
**30
100%
Winchester 760
<<locked>>
88%
55869
90%
**02
99%
Winchester StaBALL HD
<<locked>>
97%
39682
64%
**26
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
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 109]*
<<locked>>
93%
44077
71%
**52
90%
[Bofors RP15]*
<<locked>>
85%
30690
49%
**46
90%
Bofors RP3
<<locked>>
81%
49168
79%
**31
100%
[Bofors RP30]*
<<locked>>
94%
32779
53%
**25
90%
[Bofors RP5]*
<<locked>>
82%
30284
49%
**36
90%
Bofors RP7
<<locked>>
81%
42975
69%
**10
97%
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 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 4955 Enduron]*
<<locked>>
84%
34461
55%
**46
90%
[IMR 7828 SSC]*
<<locked>>
85%
34519
55%
**31
90%
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 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 Grand]*
<<locked>>
84%
34301
55%
**34
90%
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 60
<<locked>>
81%
45513
73%
**74
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 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 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 Precision
<<locked>>
81%
50691
81%
**21
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 N135
<<locked>>
81%
45063
72%
**87
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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