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Load data for .300 Blaser Mag + .308 | 165gr Hornady ECX

Recommended Powder(s): Alliant Reloder-16, Hodgdon LVR, Norma URP, ReloadSwiss RS 62, ReloadSwiss RS 70

.300 Blaser Mag + .308 | 165gr Hornady ECX

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 165gr Hornady ECX
Manufacturer SKU:
304714
Bullet Weight:
165gr | 10.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.300" | 33.0mm
Caliber:
.300 Blaser Mag load data
Case Length (l3):
2.519" | 64.0mm
Cartridge Length (C.O.L.):
3.006" | 76.4mm
Seated Depth:
0.813" | 20.7mm
Shank Seated Depth:
0.813" | 20.7mm
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_B1383_C351
Last updated:
2025-01-01

Load data for 160 loads in caliber .300 Blaser Mag with .308 | 165gr Hornady ECX bullet and 80 powders such as Alliant Reloder-16, Hodgdon LVR, Norma URP, 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%
54288
89%
**97
100%
ADI AR 2209
<<locked>>
97%
51082
84%
**27
96%
[ADI AR 2213]*
<<locked>>
97%
45788
75%
**48
93%
Accurate 2700
<<locked>>
88%
54288
89%
**51
98%
Accurate 3100
<<locked>>
97%
43990
72%
**69
97%
Accurate 4064
<<locked>>
85%
54143
89%
**74
100%
Accurate 4350
<<locked>>
94%
54737
90%
**76
100%
Alliant Reloder- TS 15.5
<<locked>>
87%
54766
90%
**23
100%
Alliant Reloder-15
<<locked>>
85%
54520
90%
**36
100%
Alliant Reloder-16 👍
<<locked>>
95%
53911
89%
**15
100%
Alliant Reloder-17
<<locked>>
90%
54766
90%
**35
100%
Alliant Reloder-19
<<locked>>
97%
50096
82%
**10
96%
Alliant Reloder-22
<<locked>>
97%
44324
73%
**48
95%
Alliant Reloder-23
<<locked>>
97%
42177
69%
**12
100%
Alliant Reloder-25
<<locked>>
97%
36825
60%
**94
96%
Alliant Reloder-26
<<locked>>
97%
46920
77%
**69
99%
Hodgdon CFE223
<<locked>>
85%
54215
89%
**69
100%
Hodgdon H380
<<locked>>
86%
54085
89%
**30
100%
Hodgdon H414
<<locked>>
89%
54404
89%
**82
98%
Hodgdon H4350
<<locked>>
96%
54288
89%
**23
98%
[Hodgdon H4831 SC]*
<<locked>>
97%
48167
79%
**48
93%
Hodgdon Hybrid 100V
<<locked>>
97%
54172
89%
**40
100%
Hodgdon LVR 👍
<<locked>>
92%
54737
90%
**79
100%
Hodgdon Superperformance
<<locked>>
92%
54389
89%
**15
98%
Hodgdon VARGET
<<locked>>
88%
54795
90%
**13
100%
Hodgdon TrailBoss
<<locked>>
97%
34621
57%
**95
100%
IMR 3031
<<locked>>
84%
54737
90%
**94
100%
IMR 4064
<<locked>>
88%
54070
89%
**87
100%
IMR 4166 Enduron
<<locked>>
89%
54549
90%
**81
98%
IMR 4350
<<locked>>
95%
54621
90%
**23
98%
IMR 4451 Enduron
<<locked>>
90%
54694
90%
**17
98%
IMR 4831
<<locked>>
97%
51184
84%
**07
100%
IMR 4895
<<locked>>
84%
54404
89%
**40
100%
[IMR 4955 Enduron]*
<<locked>>
97%
47456
78%
**95
93%
[IMR 7828 SSC]*
<<locked>>
97%
46499
76%
**81
93%
Lovex S062
<<locked>>
85%
54375
89%
**87
100%
Lovex S065
<<locked>>
92%
54143
89%
**07
99%
Lovex S070
<<locked>>
93%
54621
90%
**33
99%
Lovex S071
<<locked>>
97%
36680
60%
**18
95%
Norma 203B
<<locked>>
85%
54636
90%
**40
100%
Norma 204
<<locked>>
94%
54462
89%
**63
97%
Norma MRP
<<locked>>
97%
46557
76%
**30
97%
Norma URP 👍
<<locked>>
94%
54549
90%
**82
100%
Ramshot Big Game
<<locked>>
85%
54578
90%
**49
100%
Ramshot Hunter
<<locked>>
95%
54491
89%
**99
99%
Ramshot Magnum
<<locked>>
97%
43076
71%
**99
95%
ReloadSwiss RS 14
<<locked>>
96%
34940
57%
**27
100%
ReloadSwiss RS 50
<<locked>>
86%
54795
90%
**17
99%
ReloadSwiss RS 52
<<locked>>
85%
54172
89%
**43
100%
ReloadSwiss RS 60
<<locked>>
91%
54462
89%
**54
100%
ReloadSwiss RS 62 👍
<<locked>>
94%
54795
90%
**05
100%
ReloadSwiss RS 70 👍
<<locked>>
94%
54795
90%
**54
100%
Rottweil R 902
<<locked>>
84%
54215
89%
**67
100%
Rottweil R 903
<<locked>>
88%
54201
89%
**17
100%
Rottweil R 904
<<locked>>
97%
52997
87%
**07
95%
Rottweil R 905
<<locked>>
97%
49139
81%
**94
96%
Rottweil R 907
<<locked>>
91%
54172
89%
**00
98%
SNPE Vectan SP 11
<<locked>>
88%
54520
90%
**59
100%
SNPE Vectan SP 9
<<locked>>
83%
54708
90%
**20
100%
SNPE Vectan Tubal 5000
<<locked>>
87%
54027
89%
**89
100%
SNPE Vectan Tubal 7000
<<locked>>
92%
54389
89%
**54
98%
Shooters World Long Rifle
<<locked>>
92%
54143
89%
**07
99%
Shooters World Precision
<<locked>>
85%
54375
89%
**87
100%
Somchem S355
<<locked>>
89%
54621
90%
**20
100%
Somchem S361
<<locked>>
97%
54766
90%
**97
95%
Somchem S365
<<locked>>
97%
54288
89%
**99
100%
Somchem S385
<<locked>>
97%
50140
82%
**81
97%
Vihtavuori N133
<<locked>>
84%
54578
90%
**82
100%
Vihtavuori N135
<<locked>>
90%
54244
89%
**28
100%
Vihtavuori N140
<<locked>>
85%
54694
90%
**44
100%
Vihtavuori N150
<<locked>>
93%
54056
89%
**71
100%
Vihtavuori N160
<<locked>>
91%
54157
89%
**27
100%
[Vihtavuori N165]*
<<locked>>
97%
41713
68%
**13
94%
Vihtavuori N540
<<locked>>
85%
54737
90%
**74
100%
Vihtavuori N550
<<locked>>
91%
54375
89%
**76
100%
Vihtavuori N555
<<locked>>
97%
46862
77%
**87
100%
[Vihtavuori N560]*
<<locked>>
97%
44440
73%
**58
92%
Winchester 6.5 StaBALL
<<locked>>
93%
54041
89%
**07
100%
Winchester 760
<<locked>>
89%
54404
89%
**82
98%
Winchester StaBALL HD
<<locked>>
97%
34621
57%
**25
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
44802
74%
**36
99%
[ADI AR 2209]*
<<locked>>
85%
34896
57%
**79
90%
[ADI AR 2213]*
<<locked>>
92%
39378
65%
**03
90%
Accurate 2700
<<locked>>
81%
43004
71%
**51
95%
[Accurate 3100]*
<<locked>>
82%
26934
44%
**62
90%
Accurate 4064
<<locked>>
81%
46992
77%
**66
100%
Accurate 4350
<<locked>>
81%
35433
58%
**08
97%
Alliant Reloder- TS 15.5
<<locked>>
81%
45020
74%
**62
100%
Alliant Reloder-15
<<locked>>
81%
48211
79%
**35
100%
Alliant Reloder-16
<<locked>>
81%
34911
57%
**18
97%
Alliant Reloder-17
<<locked>>
81%
39320
65%
**46
99%
[Alliant Reloder-19]*
<<locked>>
85%
34563
57%
**72
90%
[Alliant Reloder-22]*
<<locked>>
89%
34113
56%
**02
90%
[Alliant Reloder-23]*
<<locked>>
81%
25483
42%
**56
93%
[Alliant Reloder-25]*
<<locked>>
88%
28413
47%
**44
90%
[Alliant Reloder-26]*
<<locked>>
81%
26992
44%
**54
91%
Hodgdon CFE223
<<locked>>
81%
47181
77%
**48
99%
Hodgdon H380
<<locked>>
81%
45687
75%
**79
99%
Hodgdon H414
<<locked>>
81%
40843
67%
**26
95%
[Hodgdon H4350]*
<<locked>>
81%
33939
56%
**10
92%
[Hodgdon H4831 SC]*
<<locked>>
92%
40422
66%
**87
90%
Hodgdon Hybrid 100V
<<locked>>
81%
32300
53%
**13
97%
Hodgdon LVR
<<locked>>
81%
38247
63%
**61
97%
[Hodgdon Superperformance]*
<<locked>>
81%
36854
60%
**64
93%
Hodgdon VARGET
<<locked>>
81%
44483
73%
**33
99%
Hodgdon TrailBoss
<<locked>>
81%
27543
45%
**40
100%
IMR 3031
<<locked>>
81%
49298
81%
**15
100%
IMR 4064
<<locked>>
81%
43845
72%
**07
99%
IMR 4166 Enduron
<<locked>>
81%
43207
71%
**80
96%
[IMR 4350]*
<<locked>>
81%
35621
58%
**56
93%
IMR 4451 Enduron
<<locked>>
81%
41626
68%
**67
95%
IMR 4831
<<locked>>
81%
30995
51%
**77
95%
IMR 4895
<<locked>>
81%
49530
81%
**64
100%
[IMR 4955 Enduron]*
<<locked>>
90%
39146
64%
**21
90%
[IMR 7828 SSC]*
<<locked>>
92%
39682
65%
**26
90%
Lovex S062
<<locked>>
81%
47282
78%
**69
100%
Lovex S065
<<locked>>
81%
39015
64%
**15
96%
[Lovex S070]*
<<locked>>
81%
37130
61%
**89
94%
[Lovex S071]*
<<locked>>
87%
26934
44%
**62
90%
Norma 203B
<<locked>>
81%
47442
78%
**18
100%
[Norma 204]*
<<locked>>
81%
34925
57%
**66
90%
[Norma MRP]*
<<locked>>
85%
31517
52%
**62
90%
Norma URP
<<locked>>
81%
35447
58%
**05
96%
Ramshot Big Game
<<locked>>
81%
47500
78%
**31
100%
[Ramshot Hunter]*
<<locked>>
81%
34301
56%
**85
94%
[Ramshot Magnum]*
<<locked>>
90%
33475
55%
**66
90%
ReloadSwiss RS 14
<<locked>>
81%
27891
46%
**77
100%
ReloadSwiss RS 50
<<locked>>
81%
45847
75%
**62
97%
ReloadSwiss RS 52
<<locked>>
81%
47065
77%
**28
100%
ReloadSwiss RS 60
<<locked>>
81%
38116
63%
**43
100%
ReloadSwiss RS 62
<<locked>>
81%
35143
58%
**18
96%
ReloadSwiss RS 70
<<locked>>
81%
34447
57%
**21
95%
Rottweil R 902
<<locked>>
81%
49197
81%
**85
100%
Rottweil R 903
<<locked>>
81%
42511
70%
**20
100%
[Rottweil R 904]*
<<locked>>
86%
37260
61%
**89
90%
[Rottweil R 905]*
<<locked>>
85%
33663
55%
**56
90%
[Rottweil R 907]*
<<locked>>
81%
40016
66%
**35
94%
SNPE Vectan SP 11
<<locked>>
81%
43526
71%
**62
99%
SNPE Vectan SP 9
<<locked>>
81%
51082
84%
**58
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
44338
73%
**38
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
38232
63%
**62
95%
Shooters World Long Rifle
<<locked>>
81%
39015
64%
**15
96%
Shooters World Precision
<<locked>>
81%
47282
78%
**69
100%
Somchem S355
<<locked>>
81%
43047
71%
**20
100%
[Somchem S361]*
<<locked>>
87%
39929
66%
**18
90%
Somchem S365
<<locked>>
81%
31821
52%
**56
99%
[Somchem S385]*
<<locked>>
82%
30951
51%
**64
90%
Vihtavuori N133
<<locked>>
81%
49559
81%
**13
100%
Vihtavuori N135
<<locked>>
81%
41814
69%
**38
100%
Vihtavuori N140
<<locked>>
81%
48965
80%
**62
100%
Vihtavuori N150
<<locked>>
81%
36825
60%
**62
99%
Vihtavuori N160
<<locked>>
81%
38377
63%
**41
97%
[Vihtavuori N165]*
<<locked>>
89%
32358
53%
**87
90%
Vihtavuori N540
<<locked>>
81%
48530
80%
**79
100%
Vihtavuori N550
<<locked>>
81%
38856
64%
**84
97%
[Vihtavuori N555]*
<<locked>>
81%
27586
45%
**34
94%
[Vihtavuori N560]*
<<locked>>
93%
39726
65%
**53
90%
Winchester 6.5 StaBALL
<<locked>>
81%
36376
60%
**79
99%
Winchester 760
<<locked>>
81%
40843
67%
**26
95%
[Winchester StaBALL HD]*
<<locked>>
82%
23119
38%
**13
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.

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