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Load data for .300 PRC + .308 | 150gr Hornady ECX

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

.300 PRC + .308 | 150gr Hornady ECX

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 150gr Hornady ECX
Manufacturer SKU:
30372
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.200" | 30.5mm
Caliber:
.300 PRC load data
Case Length (l3):
2.580" | 65.5mm
Cartridge Length (C.O.L.):
3.330" | 84.6mm
Seated Depth:
0.450" | 11.4mm
Shank Seated Depth:
0.450" | 11.4mm
Case Capacity:
99.0 Grains of Water | 6.43 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
64977 psi | 4480 bar
LID:
LID_B1382_C370
Last updated:
2025-01-01

Load data for 166 loads in caliber .300 PRC with .308 | 150gr Hornady ECX bullet and 83 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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  • .

    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.

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%
58059
89%
**40
100%
ADI AR 2209
<<locked>>
97%
56637
87%
**99
98%
ADI AR 2213
<<locked>>
97%
50705
78%
**14
95%
Accurate 2700
<<locked>>
87%
57943
89%
**87
98%
Accurate 3100
<<locked>>
97%
50386
78%
**45
99%
Accurate 4064
<<locked>>
84%
57856
89%
**07
100%
Accurate 4350
<<locked>>
92%
58407
90%
**05
100%
[Accurate MAGPRO]*
<<locked>>
97%
49226
76%
**07
92%
Alliant Reloder- TS 15.5
<<locked>>
86%
58204
90%
**53
100%
Alliant Reloder-15
<<locked>>
84%
57856
89%
**66
100%
Alliant Reloder-16 👍
<<locked>>
94%
57914
89%
**51
100%
Alliant Reloder-17
<<locked>>
89%
57972
89%
**48
100%
Alliant Reloder-19
<<locked>>
97%
56376
87%
**89
98%
Alliant Reloder-22
<<locked>>
97%
49922
77%
**27
96%
Alliant Reloder-23
<<locked>>
97%
47587
73%
**68
100%
Alliant Reloder-25
<<locked>>
97%
41176
63%
**59
97%
Alliant Reloder-26
<<locked>>
97%
54418
84%
**64
100%
Hodgdon CFE223
<<locked>>
84%
58073
89%
**02
100%
Hodgdon H380
<<locked>>
85%
58044
89%
**69
100%
Hodgdon H414
<<locked>>
88%
58247
90%
**28
99%
Hodgdon H4350
<<locked>>
95%
58436
90%
**69
99%
[Hodgdon H4831]*
<<locked>>
97%
46789
72%
**89
93%
Hodgdon H4831 SC
<<locked>>
97%
53374
82%
**07
95%
Hodgdon Hybrid 100V
<<locked>>
96%
58175
90%
**63
100%
Hodgdon LVR
<<locked>>
91%
58262
90%
**02
100%
Hodgdon Superperformance 👍
<<locked>>
90%
57812
89%
**38
99%
Hodgdon VARGET
<<locked>>
87%
58204
90%
**46
100%
Hodgdon TrailBoss
<<locked>>
97%
34896
54%
**52
100%
IMR 3031
<<locked>>
83%
58291
90%
**23
100%
IMR 4064
<<locked>>
87%
57972
89%
**33
100%
IMR 4166 Enduron
<<locked>>
88%
58001
89%
**23
99%
IMR 4350
<<locked>>
94%
58479
90%
**69
99%
IMR 4451 Enduron
<<locked>>
89%
58450
90%
**50
99%
IMR 4831
<<locked>>
97%
57406
88%
**79
100%
IMR 4895
<<locked>>
83%
58088
89%
**79
100%
IMR 4955 Enduron
<<locked>>
97%
52649
81%
**68
95%
IMR 7828 SSC
<<locked>>
97%
52330
81%
**63
95%
Lovex S062
<<locked>>
85%
57827
89%
**14
100%
Lovex S065
<<locked>>
91%
58465
90%
**53
100%
Lovex S070
<<locked>>
92%
57914
89%
**56
99%
Lovex S071
<<locked>>
97%
42250
65%
**87
97%
Norma 203B
<<locked>>
84%
57711
89%
**63
100%
Norma 204
<<locked>>
93%
57914
89%
**99
98%
Norma MRP
<<locked>>
97%
53243
82%
**22
98%
Norma URP
<<locked>>
93%
58233
90%
**15
100%
Ramshot Big Game
<<locked>>
84%
57986
89%
**79
100%
Ramshot Hunter 👍
<<locked>>
93%
58131
89%
**28
100%
Ramshot Magnum
<<locked>>
97%
48776
75%
**71
97%
ReloadSwiss RS 14
<<locked>>
97%
35679
55%
**01
100%
ReloadSwiss RS 50
<<locked>>
86%
58392
90%
**59
99%
ReloadSwiss RS 52
<<locked>>
84%
58073
89%
**82
100%
ReloadSwiss RS 60
<<locked>>
90%
58044
89%
**78
100%
ReloadSwiss RS 62 👍
<<locked>>
92%
57914
89%
**19
100%
ReloadSwiss RS 70 👍
<<locked>>
93%
58088
89%
**74
100%
ReloadSwiss RS 76
<<locked>>
97%
40016
62%
**56
95%
Rottweil R 902
<<locked>>
84%
57696
89%
**00
100%
Rottweil R 903
<<locked>>
88%
58204
90%
**53
100%
Rottweil R 904
<<locked>>
97%
58436
90%
**69
97%
Rottweil R 905
<<locked>>
97%
55158
85%
**73
98%
Rottweil R 907
<<locked>>
90%
57972
89%
**43
99%
SNPE Vectan SP 11
<<locked>>
87%
58059
89%
**86
100%
SNPE Vectan Tubal 5000
<<locked>>
87%
58218
90%
**22
100%
SNPE Vectan Tubal 7000
<<locked>>
91%
58392
90%
**00
99%
Shooters World Long Rifle
<<locked>>
91%
58465
90%
**53
100%
Shooters World Precision
<<locked>>
85%
57827
89%
**14
100%
Somchem S355
<<locked>>
88%
57711
89%
**40
100%
Somchem S361
<<locked>>
96%
58291
90%
**36
96%
Somchem S365
<<locked>>
95%
58465
90%
**19
100%
Somchem S385
<<locked>>
97%
55869
86%
**46
98%
Vihtavuori N133
<<locked>>
84%
58189
90%
**05
100%
Vihtavuori N135
<<locked>>
89%
58465
90%
**64
100%
Vihtavuori N140
<<locked>>
84%
57870
89%
**68
100%
Vihtavuori N150
<<locked>>
93%
58102
89%
**00
100%
Vihtavuori N160
<<locked>>
90%
58349
90%
**66
100%
Vihtavuori N165
<<locked>>
97%
46456
72%
**59
96%
Vihtavuori N540
<<locked>>
84%
57957
89%
**94
100%
Vihtavuori N550
<<locked>>
90%
58392
90%
**09
100%
Vihtavuori N555
<<locked>>
97%
53243
82%
**59
100%
[Vihtavuori N560]*
<<locked>>
97%
50618
78%
**46
94%
[Vihtavuori N565]*
<<locked>>
97%
42627
66%
**66
92%
Winchester 6.5 StaBALL
<<locked>>
92%
57725
89%
**30
100%
Winchester 760
<<locked>>
88%
58247
90%
**28
99%
Winchester StaBALL HD
<<locked>>
97%
41742
64%
**10
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
48617
75%
**82
100%
[ADI AR 2209]*
<<locked>>
82%
34548
53%
**20
90%
[ADI AR 2213]*
<<locked>>
89%
38856
60%
**51
90%
Accurate 2700
<<locked>>
81%
46949
72%
**94
96%
[Accurate 3100]*
<<locked>>
81%
29153
45%
**49
91%
Accurate 4064
<<locked>>
81%
51880
80%
**18
100%
Accurate 4350
<<locked>>
81%
39726
61%
**51
98%
[Accurate MAGPRO]*
<<locked>>
93%
43308
67%
**86
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
49313
76%
**12
100%
Alliant Reloder-15
<<locked>>
81%
52547
81%
**87
100%
Alliant Reloder-16
<<locked>>
81%
38450
59%
**61
98%
Alliant Reloder-17
<<locked>>
81%
43903
68%
**05
100%
[Alliant Reloder-19]*
<<locked>>
81%
33924
52%
**03
90%
[Alliant Reloder-22]*
<<locked>>
85%
34142
53%
**49
90%
Alliant Reloder-23
<<locked>>
81%
28369
44%
**92
95%
[Alliant Reloder-25]*
<<locked>>
85%
28050
43%
**72
90%
[Alliant Reloder-26]*
<<locked>>
81%
30385
47%
**03
93%
Hodgdon CFE223
<<locked>>
81%
52301
80%
**07
100%
Hodgdon H380
<<locked>>
81%
50256
77%
**28
99%
Hodgdon H414
<<locked>>
81%
45295
70%
**86
97%
[Hodgdon H4350]*
<<locked>>
81%
37376
58%
**43
93%
[Hodgdon H4831]*
<<locked>>
92%
39943
61%
**35
90%
[Hodgdon H4831 SC]*
<<locked>>
88%
39697
61%
**31
90%
Hodgdon Hybrid 100V
<<locked>>
81%
35911
55%
**46
98%
Hodgdon LVR
<<locked>>
81%
42322
65%
**07
98%
Hodgdon Superperformance
<<locked>>
81%
40930
63%
**10
95%
Hodgdon VARGET
<<locked>>
81%
48312
74%
**69
100%
Hodgdon TrailBoss
<<locked>>
81%
27833
43%
**91
100%
IMR 3031
<<locked>>
81%
54056
83%
**61
100%
IMR 4064
<<locked>>
81%
47761
74%
**53
100%
IMR 4166 Enduron
<<locked>>
81%
46978
72%
**20
97%
[IMR 4350]*
<<locked>>
81%
39218
60%
**92
94%
IMR 4451 Enduron
<<locked>>
81%
45223
70%
**13
97%
IMR 4831
<<locked>>
81%
34563
53%
**13
96%
IMR 4895
<<locked>>
81%
53969
83%
**14
100%
[IMR 4955 Enduron]*
<<locked>>
87%
38812
60%
**69
90%
[IMR 7828 SSC]*
<<locked>>
88%
38928
60%
**67
90%
Lovex S062
<<locked>>
81%
51372
79%
**12
100%
Lovex S065
<<locked>>
81%
42757
66%
**58
97%
Lovex S070
<<locked>>
81%
40654
63%
**25
96%
[Lovex S071]*
<<locked>>
84%
27398
42%
**93
90%
Norma 203B
<<locked>>
81%
51909
80%
**71
100%
[Norma 204]*
<<locked>>
81%
38537
59%
**12
92%
[Norma MRP]*
<<locked>>
82%
31328
48%
**94
90%
Norma URP
<<locked>>
81%
39262
60%
**44
98%
Ramshot Big Game
<<locked>>
81%
52663
81%
**97
100%
Ramshot Hunter
<<locked>>
81%
38058
59%
**22
95%
[Ramshot Magnum]*
<<locked>>
87%
33301
51%
**07
90%
ReloadSwiss RS 14
<<locked>>
81%
28123
43%
**27
100%
ReloadSwiss RS 50
<<locked>>
81%
50270
77%
**12
98%
ReloadSwiss RS 52
<<locked>>
81%
52040
80%
**81
100%
ReloadSwiss RS 60
<<locked>>
81%
42540
65%
**95
100%
ReloadSwiss RS 62
<<locked>>
81%
39508
61%
**71
97%
ReloadSwiss RS 70
<<locked>>
81%
38479
59%
**81
97%
[ReloadSwiss RS 76]*
<<locked>>
92%
33431
51%
**59
90%
Rottweil R 902
<<locked>>
81%
53301
82%
**35
100%
Rottweil R 903
<<locked>>
81%
46731
72%
**56
100%
[Rottweil R 904]*
<<locked>>
83%
36825
57%
**36
90%
[Rottweil R 905]*
<<locked>>
82%
33750
52%
**07
90%
Rottweil R 907
<<locked>>
81%
43700
67%
**81
96%
SNPE Vectan SP 11
<<locked>>
81%
47993
74%
**15
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
47892
74%
**64
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
41858
64%
**92
96%
Shooters World Long Rifle
<<locked>>
81%
42757
66%
**58
97%
Shooters World Precision
<<locked>>
81%
51372
79%
**12
100%
Somchem S355
<<locked>>
81%
47311
73%
**66
100%
[Somchem S361]*
<<locked>>
84%
39334
61%
**59
90%
Somchem S365
<<locked>>
81%
35824
55%
**99
99%
[Somchem S385]*
<<locked>>
81%
33156
51%
**61
91%
Vihtavuori N133
<<locked>>
81%
53519
82%
**43
100%
Vihtavuori N135
<<locked>>
81%
45730
70%
**67
100%
Vihtavuori N140
<<locked>>
81%
53359
82%
**02
100%
Vihtavuori N150
<<locked>>
81%
40234
62%
**89
100%
Vihtavuori N160
<<locked>>
81%
42496
65%
**81
98%
[Vihtavuori N165]*
<<locked>>
85%
32184
50%
**18
90%
Vihtavuori N540
<<locked>>
81%
53026
82%
**22
100%
Vihtavuori N550
<<locked>>
81%
43294
67%
**30
98%
Vihtavuori N555
<<locked>>
81%
31314
48%
**80
96%
[Vihtavuori N560]*
<<locked>>
90%
39653
61%
**04
90%
[Vihtavuori N565]*
<<locked>>
94%
38058
59%
**54
90%
Winchester 6.5 StaBALL
<<locked>>
81%
40016
62%
**18
99%
Winchester 760
<<locked>>
81%
45295
70%
**86
97%
[Winchester StaBALL HD]*
<<locked>>
81%
24976
38%
**30
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.

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