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

Recommended Powder(s):

.300 Blaser Mag + .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:
<<locked>>
Caliber:
.300 Blaser Mag load data
Case Length (l3):
2.519" | 64.0mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
92.4 Grains of Water | 6.00 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
60916 psi | 4200 bar
LID:
LID_B1382_C351
Last updated:
2026-04-04

Load data for 184 loads in caliber .300 Blaser Mag with .308 | 150gr Hornady ECX bullet and 92 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 2206H
<<locked>>
84%
54781
90%
**64
100%
ADI AR 2208
<<locked>>
89%
54288
89%
**38
100%
[ADI AR 2209]*
<<locked>>
97%
47311
78%
**76
94%
Accurate 2495
<<locked>>
83%
54766
90%
**12
100%
Accurate 2700
<<locked>>
90%
54766
90%
**92
97%
Accurate 3100
<<locked>>
97%
39508
65%
**02
95%
Accurate 4064
<<locked>>
88%
54418
89%
**31
100%
Accurate 4350
<<locked>>
96%
54665
90%
**20
100%
Alliant Power Pro 2000-MR
<<locked>>
86%
54534
90%
**86
100%
Alliant Reloder- TS 15.5
<<locked>>
89%
54128
89%
**58
100%
Alliant Reloder-15
<<locked>>
87%
54723
90%
**87
100%
Alliant Reloder-16
<<locked>>
97%
53200
87%
**43
100%
Alliant Reloder-17 👍
<<locked>>
93%
54650
90%
**73
100%
[Alliant Reloder-19]*
<<locked>>
97%
46296
76%
**72
94%
[Alliant Reloder-22]*
<<locked>>
97%
40509
67%
**87
92%
Alliant Reloder-23
<<locked>>
97%
37927
62%
**44
98%
[Alliant Reloder-25]*
<<locked>>
97%
33533
55%
**10
92%
Alliant Reloder-26
<<locked>>
97%
42627
70%
**09
98%
Baschieri & Pellagri 107
<<locked>>
84%
54317
89%
**77
100%
Bofors RP3
<<locked>>
89%
54056
89%
**64
100%
[Bofors RP5]*
<<locked>>
97%
40509
67%
**87
92%
Bofors RP7
<<locked>>
93%
54534
90%
**41
97%
Hodgdon CFE223
<<locked>>
87%
54360
89%
**10
100%
Hodgdon H380
<<locked>>
89%
54491
89%
**74
99%
Hodgdon H414
<<locked>>
92%
54766
90%
**27
98%
Hodgdon H4350
<<locked>>
97%
51387
84%
**99
96%
Hodgdon H4895
<<locked>>
84%
54462
89%
**61
100%
Hodgdon Hybrid 100V
<<locked>>
97%
49980
82%
**15
100%
Hodgdon LVR
<<locked>>
94%
54636
90%
**10
99%
Hodgdon Superperformance
<<locked>>
94%
54186
89%
**43
97%
Hodgdon VARGET
<<locked>>
90%
54621
90%
**51
100%
Hodgdon TrailBoss
<<locked>>
96%
33823
56%
**77
100%
IMR 3031
<<locked>>
87%
54810
90%
**54
100%
IMR 4064
<<locked>>
90%
54810
90%
**45
100%
IMR 4166 Enduron
<<locked>>
91%
54549
90%
**15
98%
IMR 4350
<<locked>>
97%
54592
90%
**58
97%
IMR 4451 Enduron
<<locked>>
92%
54375
89%
**41
98%
IMR 4831
<<locked>>
97%
47166
77%
**72
99%
IMR 4895
<<locked>>
86%
54694
90%
**97
100%
Lovex D073.6
<<locked>>
84%
54578
90%
**35
100%
Lovex S060
<<locked>>
85%
54505
89%
**99
100%
Lovex S062
<<locked>>
88%
54578
90%
**35
100%
Lovex S065
<<locked>>
94%
54795
90%
**48
99%
Lovex S070
<<locked>>
96%
54244
89%
**58
98%
[Lovex S071]*
<<locked>>
97%
32692
54%
**35
92%
Norma 201
<<locked>>
85%
54389
89%
**18
100%
Norma 202
<<locked>>
84%
54215
89%
**15
100%
Norma 203B
<<locked>>
88%
54650
90%
**77
100%
Norma 204
<<locked>>
96%
54389
89%
**97
96%
Norma MRP
<<locked>>
97%
42873
70%
**69
95%
Norma URP
<<locked>>
96%
54186
89%
**10
99%
Ramshot Big Game
<<locked>>
87%
54781
90%
**97
100%
Ramshot Hunter
<<locked>>
97%
53447
88%
**07
98%
ReloadSwiss RS 14
<<locked>>
97%
34621
57%
**29
100%
ReloadSwiss RS 50
<<locked>>
88%
54404
89%
**48
98%
ReloadSwiss RS 52
<<locked>>
85%
54389
89%
**33
100%
ReloadSwiss RS 60
<<locked>>
91%
54128
89%
**79
100%
ReloadSwiss RS 62
<<locked>>
96%
54549
90%
**33
99%
ReloadSwiss RS 70
<<locked>>
96%
54549
90%
**86
99%
Rottweil R 902
<<locked>>
87%
54650
90%
**25
100%
Rottweil R 903
<<locked>>
91%
54737
90%
**68
100%
[Rottweil R 904]*
<<locked>>
97%
49313
81%
**69
93%
[Rottweil R 905]*
<<locked>>
97%
45092
74%
**49
94%
Rottweil R 907
<<locked>>
93%
54534
90%
**41
97%
SNPE Vectan SP 11 👍
<<locked>>
90%
54694
90%
**97
100%
SNPE Vectan SP 7
<<locked>>
83%
54172
89%
**31
99%
SNPE Vectan SP 9
<<locked>>
85%
54752
90%
**58
100%
SNPE Vectan Tubal 3000
<<locked>>
84%
54230
89%
**40
100%
SNPE Vectan Tubal 5000
<<locked>>
90%
54592
90%
**33
100%
SNPE Vectan Tubal 7000
<<locked>>
94%
54505
89%
**89
98%
Shooters World Long Rifle
<<locked>>
94%
54795
90%
**48
99%
Shooters World Match Rifle
<<locked>>
84%
54578
90%
**35
100%
Shooters World Precision
<<locked>>
88%
54578
90%
**35
100%
Somchem S335
<<locked>>
84%
54331
89%
**46
100%
Somchem S341
<<locked>>
84%
54592
90%
**38
100%
Somchem S355
<<locked>>
91%
54563
90%
**58
100%
[Somchem S361]*
<<locked>>
97%
50850
83%
**53
93%
Somchem S365 👍
<<locked>>
97%
49559
81%
**71
100%
Somchem S385
<<locked>>
97%
45977
75%
**40
95%
Vihtavuori N133
<<locked>>
86%
54288
89%
**23
100%
Vihtavuori N135
<<locked>>
92%
54331
89%
**82
100%
Vihtavuori N140
<<locked>>
87%
54389
89%
**92
100%
Vihtavuori N150
<<locked>>
96%
54230
89%
**09
100%
Vihtavuori N160 👍
<<locked>>
94%
54737
90%
**81
99%
[Vihtavuori N165]*
<<locked>>
97%
38101
63%
**46
92%
Vihtavuori N540
<<locked>>
87%
54491
89%
**18
100%
Vihtavuori N550 👍
<<locked>>
94%
54404
89%
**17
99%
Vihtavuori N555
<<locked>>
97%
41887
69%
**23
98%
Winchester 6.5 StaBALL
<<locked>>
95%
54563
90%
**51
100%
Winchester 760
<<locked>>
92%
54766
90%
**27
98%
Winchester StaBALL HD
<<locked>>
97%
33823
56%
**28
98%
[Winchester Supreme 780]*
<<locked>>
97%
47442
78%
**46
94%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
49095
81%
**72
100%
ADI AR 2208
<<locked>>
81%
41698
68%
**08
98%
[ADI AR 2209]*
<<locked>>
90%
37753
62%
**62
90%
Accurate 2495
<<locked>>
81%
50836
83%
**59
100%
[Accurate 2700]*
<<locked>>
81%
39943
66%
**03
93%
[Accurate 3100]*
<<locked>>
88%
29269
48%
**43
90%
Accurate 4064
<<locked>>
81%
42641
70%
**38
100%
[Accurate 4350]*
<<locked>>
81%
31560
52%
**31
94%
Alliant Power Pro 2000-MR
<<locked>>
81%
45310
74%
**09
99%
Alliant Reloder- TS 15.5
<<locked>>
81%
41466
68%
**28
99%
Alliant Reloder-15
<<locked>>
81%
44440
73%
**00
99%
[Alliant Reloder-16]*
<<locked>>
81%
32010
53%
**54
94%
Alliant Reloder-17
<<locked>>
81%
36100
59%
**92
98%
[Alliant Reloder-19]*
<<locked>>
90%
37101
61%
**56
90%
[Alliant Reloder-22]*
<<locked>>
94%
36912
61%
**95
90%
[Alliant Reloder-23]*
<<locked>>
82%
23946
39%
**02
90%
[Alliant Reloder-25]*
<<locked>>
94%
30879
51%
**35
90%
[Alliant Reloder-26]*
<<locked>>
86%
28558
47%
**05
90%
Baschieri & Pellagri 107
<<locked>>
81%
48776
80%
**72
99%
Bofors RP3
<<locked>>
81%
41191
68%
**28
99%
[Bofors RP5]*
<<locked>>
94%
36912
61%
**95
90%
[Bofors RP7]*
<<locked>>
81%
36927
61%
**77
92%
Hodgdon CFE223
<<locked>>
81%
43395
71%
**07
98%
Hodgdon H380
<<locked>>
81%
42192
69%
**44
97%
[Hodgdon H414]*
<<locked>>
81%
37246
61%
**72
93%
[Hodgdon H4350]*
<<locked>>
84%
33881
56%
**28
90%
Hodgdon H4895
<<locked>>
81%
49559
81%
**76
100%
Hodgdon Hybrid 100V
<<locked>>
81%
29399
48%
**49
95%
[Hodgdon LVR]*
<<locked>>
81%
34896
57%
**10
94%
[Hodgdon Superperformance]*
<<locked>>
81%
34055
56%
**00
90%
Hodgdon VARGET
<<locked>>
81%
41394
68%
**95
98%
Hodgdon TrailBoss
<<locked>>
81%
27006
44%
**26
100%
IMR 3031
<<locked>>
81%
45339
74%
**94
100%
IMR 4064
<<locked>>
81%
40727
67%
**82
98%
[IMR 4166 Enduron]*
<<locked>>
81%
40495
66%
**43
94%
[IMR 4350]*
<<locked>>
81%
33199
55%
**05
90%
[IMR 4451 Enduron]*
<<locked>>
81%
38667
63%
**26
93%
[IMR 4831]*
<<locked>>
81%
27891
46%
**10
92%
IMR 4895
<<locked>>
81%
45614
75%
**30
99%
Lovex D073.6
<<locked>>
81%
48675
80%
**40
100%
Lovex S060
<<locked>>
81%
48950
80%
**07
100%
Lovex S062
<<locked>>
81%
43714
72%
**44
100%
[Lovex S065]*
<<locked>>
81%
35723
59%
**61
94%
[Lovex S070]*
<<locked>>
81%
33924
56%
**28
92%
[Lovex S071]*
<<locked>>
93%
29457
48%
**49
90%
Norma 201
<<locked>>
81%
47993
79%
**13
100%
Norma 202
<<locked>>
81%
48414
79%
**17
100%
Norma 203B
<<locked>>
81%
43918
72%
**90
99%
[Norma 204]*
<<locked>>
86%
37579
62%
**49
90%
[Norma MRP]*
<<locked>>
90%
34127
56%
**49
90%
[Norma URP]*
<<locked>>
81%
32039
53%
**44
94%
Ramshot Big Game
<<locked>>
81%
43859
72%
**00
99%
[Ramshot Hunter]*
<<locked>>
81%
31473
52%
**15
91%
ReloadSwiss RS 14
<<locked>>
81%
27253
45%
**62
100%
ReloadSwiss RS 50
<<locked>>
81%
42554
70%
**18
96%
ReloadSwiss RS 52
<<locked>>
81%
47747
78%
**18
99%
ReloadSwiss RS 60
<<locked>>
81%
38421
63%
**64
100%
[ReloadSwiss RS 62]*
<<locked>>
81%
31618
52%
**54
93%
[ReloadSwiss RS 70]*
<<locked>>
81%
31618
52%
**48
92%
Rottweil R 902
<<locked>>
81%
45643
75%
**64
100%
Rottweil R 903
<<locked>>
81%
38725
64%
**69
99%
[Rottweil R 904]*
<<locked>>
91%
40437
66%
**79
90%
[Rottweil R 905]*
<<locked>>
90%
36172
59%
**40
90%
[Rottweil R 907]*
<<locked>>
81%
36927
61%
**77
92%
SNPE Vectan SP 11
<<locked>>
81%
40147
66%
**28
98%
SNPE Vectan SP 7
<<locked>>
81%
49893
82%
**59
99%
SNPE Vectan SP 9
<<locked>>
81%
47703
78%
**33
99%
SNPE Vectan Tubal 3000
<<locked>>
81%
49052
81%
**54
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
40973
67%
**13
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
34911
57%
**02
92%
[Shooters World Long Rifle]*
<<locked>>
81%
35723
59%
**61
94%
Shooters World Match Rifle
<<locked>>
81%
48675
80%
**40
100%
Shooters World Precision
<<locked>>
81%
43714
72%
**44
100%
Somchem S335
<<locked>>
81%
48863
80%
**58
100%
Somchem S341
<<locked>>
81%
49574
81%
**59
100%
Somchem S355
<<locked>>
81%
39392
65%
**76
98%
[Somchem S361]*
<<locked>>
93%
43787
72%
**18
90%
Somchem S365
<<locked>>
81%
28645
47%
**82
96%
[Somchem S385]*
<<locked>>
88%
33533
55%
**48
90%
Vihtavuori N133
<<locked>>
81%
46427
76%
**02
100%
Vihtavuori N135
<<locked>>
81%
38276
63%
**10
100%
Vihtavuori N140
<<locked>>
81%
45440
75%
**38
100%
Vihtavuori N150
<<locked>>
81%
33692
55%
**12
98%
Vihtavuori N160
<<locked>>
81%
34896
57%
**77
95%
[Vihtavuori N165]*
<<locked>>
94%
35041
58%
**71
90%
Vihtavuori N540
<<locked>>
81%
44802
74%
**54
100%
Vihtavuori N550
<<locked>>
81%
35534
58%
**23
95%
[Vihtavuori N555]*
<<locked>>
81%
24860
41%
**54
90%
Winchester 6.5 StaBALL
<<locked>>
81%
33344
55%
**25
97%
[Winchester 760]*
<<locked>>
81%
37246
61%
**72
93%
[Winchester StaBALL HD]*
<<locked>>
88%
24947
41%
**90
90%
[Winchester Supreme 780]*
<<locked>>
90%
36970
61%
**17
90%

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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