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Load data for .300 Blaser Mag + .308 | 125gr Hornady ECX

Recommended Powder(s): Alliant Reloder- TS 15.5, Norma 203B, ReloadSwiss RS 52, ReloadSwiss RS 60, SNPE Vectan SP 11

.300 Blaser Mag + .308 | 125gr Hornady ECX

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 125gr Hornady ECX
Manufacturer SKU:
301944
Bullet Weight:
125gr | 8.1g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.040" | 26.4mm
Caliber:
.300 Blaser Mag load data
Case Length (l3):
2.519" | 64.0mm
Cartridge Length (C.O.L.):
3.006" | 76.4mm
Seated Depth:
0.553" | 14.0mm
Shank Seated Depth:
0.553" | 14.0mm
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_B1381_C351
Last updated:
2025-01-01

Load data for 172 loads in caliber .300 Blaser Mag with .308 | 125gr Hornady ECX bullet and 86 powders such as Alliant Reloder- TS 15.5, Norma 203B, ReloadSwiss RS 52, ReloadSwiss RS 60, SNPE Vectan SP 11. 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 2206H
<<locked>>
86%
54737
90%
**17
99%
ADI AR 2208
<<locked>>
91%
54346
89%
**84
99%
Accurate 2200
<<locked>>
85%
54462
89%
**78
98%
Accurate 2495
<<locked>>
85%
54041
89%
**71
100%
Accurate 2520
<<locked>>
84%
54723
90%
**94
100%
Accurate 2700
<<locked>>
92%
54288
89%
**09
95%
[Accurate 3100]*
<<locked>>
97%
36970
61%
**46
92%
Accurate 4064
<<locked>>
90%
54056
89%
**91
100%
Accurate 4350
<<locked>>
97%
51634
85%
**17
98%
Alliant AR-Comp
<<locked>>
84%
54462
89%
**55
100%
Alliant Reloder- TS 15.5 👍
<<locked>>
92%
54752
90%
**27
100%
Alliant Reloder-15
<<locked>>
89%
54360
89%
**27
99%
Alliant Reloder-16
<<locked>>
97%
49588
81%
**07
98%
Alliant Reloder-17
<<locked>>
95%
54563
90%
**25
100%
Alliant Reloder-23
<<locked>>
97%
35520
58%
**82
95%
[Alliant Reloder-26]*
<<locked>>
97%
39262
64%
**27
94%
Baschieri & Pellagri 107
<<locked>>
86%
54012
89%
**10
99%
Hodgdon BL-C2
<<locked>>
84%
54230
89%
**23
100%
Hodgdon Benchmark
<<locked>>
84%
54824
90%
**41
100%
Hodgdon CFE223
<<locked>>
89%
54172
89%
**53
99%
Hodgdon H380
<<locked>>
91%
54331
89%
**17
98%
Hodgdon H414
<<locked>>
94%
54404
89%
**56
96%
[Hodgdon H4350]*
<<locked>>
97%
48225
79%
**73
94%
Hodgdon Hybrid 100V
<<locked>>
97%
45905
75%
**73
99%
Hodgdon LVR
<<locked>>
96%
54143
89%
**40
98%
Hodgdon Superperformance
<<locked>>
96%
54201
89%
**66
95%
Hodgdon VARGET
<<locked>>
92%
54027
89%
**84
99%
Hodgdon TrailBoss
<<locked>>
97%
33910
56%
**64
100%
IMR 3031
<<locked>>
89%
54534
90%
**10
100%
IMR 4064
<<locked>>
92%
54520
90%
**81
99%
IMR 4166 Enduron
<<locked>>
93%
54302
89%
**45
96%
[IMR 4350]*
<<locked>>
97%
50792
83%
**15
94%
IMR 4451 Enduron
<<locked>>
94%
54230
89%
**78
96%
IMR 4831
<<locked>>
97%
43352
71%
**20
96%
IMR 4895
<<locked>>
88%
54389
89%
**43
99%
IMR 8208 XBR
<<locked>>
85%
54317
89%
**81
100%
Lovex D073.6
<<locked>>
86%
54143
89%
**91
100%
Lovex S060
<<locked>>
86%
54462
89%
**41
99%
Lovex S062
<<locked>>
90%
54244
89%
**78
100%
Lovex S065
<<locked>>
96%
54636
90%
**91
97%
Lovex S070
<<locked>>
97%
52562
86%
**61
96%
Norma 201
<<locked>>
87%
54288
89%
**74
100%
Norma 202
<<locked>>
86%
53969
89%
**71
100%
Norma 203B 👍
<<locked>>
90%
54404
89%
**30
99%
[Norma 204]*
<<locked>>
97%
51590
85%
**68
93%
Norma URP
<<locked>>
97%
50430
83%
**91
98%
Ramshot Big Game
<<locked>>
89%
54172
89%
**37
99%
Ramshot Hunter
<<locked>>
97%
49908
82%
**81
96%
Ramshot TAC
<<locked>>
84%
54520
89%
**84
98%
Ramshot Wild Boar
<<locked>>
85%
54752
90%
**20
99%
ReloadSwiss RS 14
<<locked>>
96%
34055
56%
**06
100%
ReloadSwiss RS 50
<<locked>>
90%
54534
90%
**84
97%
ReloadSwiss RS 52 👍
<<locked>>
90%
54157
89%
**50
100%
ReloadSwiss RS 60 👍
<<locked>>
96%
54244
89%
**42
100%
ReloadSwiss RS 62
<<locked>>
97%
50937
84%
**17
98%
ReloadSwiss RS 70
<<locked>>
97%
51024
84%
**40
97%
Rottweil R 901
<<locked>>
84%
54592
90%
**58
100%
Rottweil R 902
<<locked>>
89%
54607
90%
**64
100%
Rottweil R 903
<<locked>>
93%
54491
89%
**20
100%
Rottweil R 907
<<locked>>
95%
54650
90%
**71
95%
SNPE Vectan SP 11 👍
<<locked>>
92%
54317
89%
**50
99%
SNPE Vectan SP 7
<<locked>>
85%
54360
89%
**78
98%
SNPE Vectan SP 9
<<locked>>
87%
54404
89%
**04
99%
SNPE Vectan Tubal 3000
<<locked>>
86%
54737
90%
**99
100%
SNPE Vectan Tubal 5000
<<locked>>
92%
54317
89%
**79
100%
SNPE Vectan Tubal 7000
<<locked>>
96%
54636
90%
**19
96%
Shooters World Long Rifle
<<locked>>
96%
54636
90%
**91
97%
Shooters World Match Rifle
<<locked>>
86%
54143
89%
**91
100%
Shooters World Precision
<<locked>>
90%
54244
89%
**78
100%
Somchem S335
<<locked>>
86%
54549
90%
**05
100%
Somchem S341
<<locked>>
86%
54259
89%
**74
99%
Somchem S355
<<locked>>
93%
54505
89%
**10
100%
Somchem S365
<<locked>>
97%
45281
74%
**28
99%
[Somchem S385]*
<<locked>>
97%
42221
69%
**71
92%
Vihtavuori N133
<<locked>>
88%
54143
89%
**82
100%
Vihtavuori N135
<<locked>>
95%
54462
89%
**41
100%
Vihtavuori N140
<<locked>>
89%
54737
90%
**51
100%
Vihtavuori N150
<<locked>>
97%
52098
86%
**25
100%
Vihtavuori N160
<<locked>>
96%
54795
90%
**17
98%
Vihtavuori N530
<<locked>>
83%
54636
90%
**97
100%
Vihtavuori N540
<<locked>>
89%
54795
90%
**78
100%
Vihtavuori N550
<<locked>>
96%
54331
89%
**50
98%
Vihtavuori N555
<<locked>>
97%
38624
63%
**74
95%
Winchester 6.5 StaBALL
<<locked>>
97%
54041
89%
**81
100%
Winchester 760
<<locked>>
94%
54404
89%
**56
96%
[Winchester StaBALL HD]*
<<locked>>
97%
31879
52%
**23
93%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
46108
76%
**56
98%
ADI AR 2208
<<locked>>
81%
39189
64%
**63
95%
Accurate 2200
<<locked>>
81%
48385
79%
**59
97%
Accurate 2495
<<locked>>
81%
47471
78%
**59
100%
Accurate 2520
<<locked>>
81%
48298
79%
**89
100%
[Accurate 2700]*
<<locked>>
82%
39334
65%
**90
90%
[Accurate 3100]*
<<locked>>
95%
33866
56%
**74
90%
Accurate 4064
<<locked>>
81%
40306
66%
**18
100%
[Accurate 4350]*
<<locked>>
81%
29950
49%
**82
90%
Alliant AR-Comp
<<locked>>
81%
48733
80%
**66
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
38667
63%
**92
97%
Alliant Reloder-15
<<locked>>
81%
41756
69%
**64
96%
[Alliant Reloder-16]*
<<locked>>
82%
30922
51%
**12
90%
[Alliant Reloder-17]*
<<locked>>
81%
33663
55%
**36
94%
[Alliant Reloder-23]*
<<locked>>
89%
27818
46%
**20
90%
[Alliant Reloder-26]*
<<locked>>
92%
33330
55%
**46
90%
Baschieri & Pellagri 107
<<locked>>
81%
45585
75%
**40
97%
Hodgdon BL-C2
<<locked>>
81%
48211
79%
**05
99%
Hodgdon Benchmark
<<locked>>
81%
50038
82%
**59
100%
Hodgdon CFE223
<<locked>>
81%
40393
66%
**58
95%
[Hodgdon H380]*
<<locked>>
81%
39465
65%
**92
94%
[Hodgdon H414]*
<<locked>>
83%
37289
61%
**82
90%
[Hodgdon H4350]*
<<locked>>
90%
39102
64%
**66
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
27543
45%
**71
91%
[Hodgdon LVR]*
<<locked>>
81%
32735
54%
**51
91%
[Hodgdon Superperformance]*
<<locked>>
88%
39972
66%
**48
90%
Hodgdon VARGET
<<locked>>
81%
38928
64%
**59
95%
Hodgdon TrailBoss
<<locked>>
81%
26861
44%
**96
100%
IMR 3031
<<locked>>
81%
42134
69%
**87
100%
IMR 4064
<<locked>>
81%
38348
63%
**43
95%
[IMR 4166 Enduron]*
<<locked>>
81%
38247
63%
**94
91%
[IMR 4350]*
<<locked>>
88%
39233
64%
**59
90%
[IMR 4451 Enduron]*
<<locked>>
82%
37289
61%
**94
90%
[IMR 4831]*
<<locked>>
85%
29501
48%
**56
90%
IMR 4895
<<locked>>
81%
42699
70%
**04
97%
IMR 8208 XBR
<<locked>>
81%
48211
79%
**66
99%
Lovex D073.6
<<locked>>
81%
45513
75%
**36
100%
Lovex S060
<<locked>>
81%
46108
76%
**84
98%
Lovex S062
<<locked>>
81%
41060
67%
**18
98%
[Lovex S065]*
<<locked>>
81%
33736
55%
**15
91%
[Lovex S070]*
<<locked>>
85%
36434
60%
**97
90%
Norma 201
<<locked>>
81%
45252
74%
**97
99%
Norma 202
<<locked>>
81%
45440
75%
**07
100%
Norma 203B
<<locked>>
81%
41133
68%
**48
97%
[Norma 204]*
<<locked>>
92%
43918
72%
**04
90%
[Norma URP]*
<<locked>>
81%
30356
50%
**92
90%
Ramshot Big Game
<<locked>>
81%
40828
67%
**61
97%
[Ramshot Hunter]*
<<locked>>
86%
34983
57%
**20
90%
Ramshot TAC
<<locked>>
81%
48515
80%
**56
96%
Ramshot Wild Boar
<<locked>>
81%
48080
79%
**96
98%
ReloadSwiss RS 14
<<locked>>
81%
27006
44%
**32
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
40016
66%
**72
92%
ReloadSwiss RS 52
<<locked>>
81%
39943
66%
**61
98%
ReloadSwiss RS 60
<<locked>>
81%
32764
54%
**10
95%
[ReloadSwiss RS 62]*
<<locked>>
83%
30966
51%
**31
90%
[ReloadSwiss RS 70]*
<<locked>>
85%
33997
56%
**13
90%
Rottweil R 901
<<locked>>
81%
49182
81%
**59
100%
Rottweil R 902
<<locked>>
81%
43062
71%
**45
99%
Rottweil R 903
<<locked>>
81%
36013
59%
**23
96%
[Rottweil R 907]*
<<locked>>
84%
38725
64%
**33
90%
SNPE Vectan SP 11
<<locked>>
81%
37289
61%
**79
95%
SNPE Vectan SP 7
<<locked>>
81%
46905
77%
**30
96%
SNPE Vectan SP 9
<<locked>>
81%
44817
74%
**17
98%
SNPE Vectan Tubal 3000
<<locked>>
81%
46427
76%
**58
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
38653
63%
**94
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
84%
36738
60%
**51
90%
[Shooters World Long Rifle]*
<<locked>>
81%
33736
55%
**15
91%
Shooters World Match Rifle
<<locked>>
81%
45513
75%
**36
100%
Shooters World Precision
<<locked>>
81%
41060
67%
**18
98%
Somchem S335
<<locked>>
81%
46108
76%
**51
100%
Somchem S341
<<locked>>
81%
46369
76%
**30
98%
Somchem S355
<<locked>>
81%
37028
61%
**43
96%
[Somchem S365]*
<<locked>>
81%
27021
44%
**13
92%
[Somchem S385]*
<<locked>>
94%
39044
64%
**99
90%
Vihtavuori N133
<<locked>>
81%
43642
72%
**99
100%
Vihtavuori N135
<<locked>>
81%
36071
59%
**87
100%
Vihtavuori N140
<<locked>>
81%
42525
70%
**22
100%
Vihtavuori N150
<<locked>>
81%
31430
52%
**59
96%
[Vihtavuori N160]*
<<locked>>
81%
32547
53%
**22
91%
Vihtavuori N530
<<locked>>
81%
50966
84%
**35
100%
Vihtavuori N540
<<locked>>
81%
42322
69%
**45
100%
[Vihtavuori N550]*
<<locked>>
81%
33040
54%
**71
92%
[Vihtavuori N555]*
<<locked>>
88%
28834
47%
**82
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
31372
51%
**62
94%
[Winchester 760]*
<<locked>>
83%
37289
61%
**82
90%
[Winchester StaBALL HD]*
<<locked>>
94%
29095
48%
**05
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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