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Load data for .300 Blaser Mag + .308 | 180gr | Winchester FailSafe

Recommended Powder(s):

.300 Blaser Mag + .308 | 180gr | Winchester FailSafe

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 180gr | Winchester FailSafe
Bullet Weight:
180gr | 11.7g
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_B6638_C351
Last updated:
2026-03-21

Load data for 156 loads in caliber .300 Blaser Mag with .308 | 180gr | Winchester FailSafe bullet and 78 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".

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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 2208
<<locked>>
83%
54273
89%
**15
100%
ADI AR 2209
<<locked>>
94%
54563
90%
**04
98%
ADI AR 2213
<<locked>>
97%
52692
87%
**10
97%
[ADI AR 2217]*
<<locked>>
97%
38827
64%
**18
92%
[ADI AR 2225]*
<<locked>>
97%
34418
57%
**69
94%
Accurate 2700
<<locked>>
85%
54766
90%
**85
99%
Accurate 3100
<<locked>>
97%
52373
86%
**25
100%
Accurate 4350
<<locked>>
89%
54723
90%
**77
100%
Accurate MAGPRO
<<locked>>
97%
51271
84%
**97
95%
Alliant Reloder- TS 15.5
<<locked>>
83%
54665
90%
**28
100%
Alliant Reloder-16
<<locked>>
91%
54795
90%
**27
100%
Alliant Reloder-17
<<locked>>
86%
54143
89%
**20
100%
Alliant Reloder-19
<<locked>>
95%
54636
90%
**04
98%
Alliant Reloder-22
<<locked>>
97%
52011
85%
**04
98%
Alliant Reloder-23
<<locked>>
97%
49516
81%
**44
100%
Alliant Reloder-25
<<locked>>
97%
43091
71%
**69
99%
Alliant Reloder-26 👍
<<locked>>
96%
54592
90%
**09
100%
[Baschieri & Pellagri 109]*
<<locked>>
97%
52228
86%
**15
93%
Bofors RP15
<<locked>>
97%
48240
79%
**41
97%
[Bofors RP30]*
<<locked>>
97%
39001
64%
**84
94%
Bofors RP5
<<locked>>
97%
52011
85%
**04
98%
Bofors RP7
<<locked>>
87%
54346
89%
**25
99%
[Hodgdon H1000]*
<<locked>>
97%
38827
64%
**18
92%
Hodgdon H414
<<locked>>
85%
54462
89%
**94
99%
Hodgdon H4350
<<locked>>
92%
54244
89%
**44
99%
Hodgdon H4831
<<locked>>
97%
48979
80%
**89
95%
Hodgdon H4831 SC
<<locked>>
96%
54592
90%
**81
97%
Hodgdon Hybrid 100V
<<locked>>
92%
54505
89%
**44
100%
Hodgdon LVR
<<locked>>
87%
54607
90%
**84
100%
[Hodgdon Retumbo]*
<<locked>>
97%
34418
57%
**69
94%
Hodgdon Superperformance
<<locked>>
88%
54288
89%
**27
99%
Hodgdon VARGET
<<locked>>
84%
54621
90%
**15
100%
Hodgdon TrailBoss
<<locked>>
96%
35012
57%
**55
100%
IMR 4064
<<locked>>
84%
54186
89%
**05
100%
IMR 4166 Enduron
<<locked>>
85%
54360
89%
**05
99%
IMR 4350
<<locked>>
90%
54723
90%
**48
99%
IMR 4451 Enduron
<<locked>>
86%
54230
89%
**22
99%
IMR 4831 👍
<<locked>>
94%
54534
90%
**64
100%
IMR 4955 Enduron
<<locked>>
97%
54230
89%
**41
97%
IMR 7828 SSC
<<locked>>
97%
54186
89%
**53
97%
Lovex S065
<<locked>>
88%
54389
89%
**25
100%
Lovex S070
<<locked>>
89%
54143
89%
**41
99%
Lovex S071
<<locked>>
97%
43845
72%
**84
99%
Norma 204
<<locked>>
90%
54810
90%
**87
98%
Norma MRP
<<locked>>
96%
54302
89%
**72
99%
Norma URP
<<locked>>
90%
54621
90%
**81
100%
Ramshot Grand
<<locked>>
95%
54447
89%
**66
98%
Ramshot Hunter 👍
<<locked>>
90%
54505
89%
**04
100%
Ramshot Magnum
<<locked>>
97%
51039
84%
**74
99%
ReloadSwiss RS 14
<<locked>>
96%
35723
59%
**95
100%
ReloadSwiss RS 60
<<locked>>
84%
54563
90%
**27
100%
ReloadSwiss RS 62
<<locked>>
89%
54723
90%
**04
100%
ReloadSwiss RS 70
<<locked>>
90%
54041
89%
**46
100%
ReloadSwiss RS 76
<<locked>>
97%
41669
68%
**82
97%
Rottweil R 903
<<locked>>
84%
54201
89%
**18
100%
Rottweil R 904
<<locked>>
93%
54360
89%
**54
97%
Rottweil R 905
<<locked>>
95%
54723
90%
**07
99%
Rottweil R 907
<<locked>>
87%
54346
89%
**25
99%
SNPE Vectan SP 11
<<locked>>
84%
54781
90%
**64
100%
SNPE Vectan Tubal 5000
<<locked>>
84%
54288
89%
**90
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
54665
90%
**85
99%
Shooters World Long Rifle
<<locked>>
88%
54389
89%
**25
100%
Somchem S355
<<locked>>
84%
54302
89%
**18
100%
Somchem S361
<<locked>>
93%
54636
90%
**22
97%
Somchem S365
<<locked>>
92%
54795
90%
**94
100%
Somchem S385
<<locked>>
95%
54491
89%
**67
99%
Vihtavuori N135
<<locked>>
86%
54665
90%
**36
100%
Vihtavuori N150
<<locked>>
89%
54070
89%
**79
100%
Vihtavuori N160
<<locked>>
87%
54172
89%
**35
100%
Vihtavuori N165
<<locked>>
97%
48979
80%
**69
98%
Vihtavuori N550
<<locked>>
87%
54679
90%
**84
100%
Vihtavuori N555 👍
<<locked>>
96%
54201
89%
**10
100%
Vihtavuori N560
<<locked>>
97%
52605
86%
**36
97%
Vihtavuori N565
<<locked>>
97%
44454
73%
**72
95%
Winchester 6.5 StaBALL
<<locked>>
89%
54752
90%
**25
100%
Winchester 760
<<locked>>
85%
54462
89%
**94
99%
Winchester StaBALL HD 👍
<<locked>>
97%
45194
74%
**13
100%
Winchester Supreme 780
<<locked>>
94%
54085
89%
**61
98%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
50212
82%
**43
100%
[ADI AR 2209]*
<<locked>>
81%
35114
58%
**10
93%
[ADI AR 2213]*
<<locked>>
84%
34940
57%
**30
90%
[ADI AR 2217]*
<<locked>>
94%
34911
57%
**13
90%
[ADI AR 2225]*
<<locked>>
91%
28921
47%
**95
90%
Accurate 2700
<<locked>>
81%
48776
80%
**87
98%
[Accurate 3100]*
<<locked>>
81%
30618
50%
**82
94%
Accurate 4350
<<locked>>
81%
41568
68%
**57
99%
[Accurate MAGPRO]*
<<locked>>
89%
38638
63%
**51
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
51372
84%
**72
100%
Alliant Reloder-16
<<locked>>
81%
40219
66%
**57
99%
Alliant Reloder-17
<<locked>>
81%
45934
75%
**85
100%
[Alliant Reloder-19]*
<<locked>>
81%
34940
57%
**10
93%
[Alliant Reloder-22]*
<<locked>>
81%
30835
51%
**44
91%
Alliant Reloder-23
<<locked>>
81%
29646
49%
**21
98%
[Alliant Reloder-25]*
<<locked>>
81%
25962
43%
**00
91%
Alliant Reloder-26
<<locked>>
81%
31633
52%
**36
96%
[Baschieri & Pellagri 109]*
<<locked>>
91%
43801
72%
**51
90%
[Bofors RP15]*
<<locked>>
83%
30371
50%
**25
90%
[Bofors RP30]*
<<locked>>
91%
32489
53%
**10
90%
[Bofors RP5]*
<<locked>>
81%
30835
51%
**44
91%
Bofors RP7
<<locked>>
81%
45266
74%
**67
98%
[Hodgdon H1000]*
<<locked>>
94%
34911
57%
**13
90%
Hodgdon H414
<<locked>>
81%
47210
77%
**72
98%
Hodgdon H4350
<<locked>>
81%
38928
64%
**52
96%
[Hodgdon H4831]*
<<locked>>
87%
35578
58%
**07
90%
[Hodgdon H4831 SC]*
<<locked>>
83%
35578
58%
**07
90%
Hodgdon Hybrid 100V
<<locked>>
81%
37652
62%
**49
100%
Hodgdon LVR
<<locked>>
81%
44222
73%
**03
99%
[Hodgdon Retumbo]*
<<locked>>
91%
28921
47%
**95
90%
Hodgdon Superperformance
<<locked>>
81%
42583
70%
**13
97%
Hodgdon VARGET
<<locked>>
81%
50024
82%
**43
100%
Hodgdon TrailBoss
<<locked>>
81%
27862
46%
**04
100%
IMR 4064
<<locked>>
81%
49574
81%
**26
100%
IMR 4166 Enduron
<<locked>>
81%
48385
79%
**97
99%
IMR 4350
<<locked>>
81%
40654
67%
**92
96%
IMR 4451 Enduron
<<locked>>
81%
46572
76%
**87
98%
IMR 4831
<<locked>>
81%
36042
59%
**20
98%
[IMR 4955 Enduron]*
<<locked>>
82%
34258
56%
**38
90%
[IMR 7828 SSC]*
<<locked>>
83%
34389
56%
**26
90%
Lovex S065
<<locked>>
81%
44309
73%
**44
99%
Lovex S070
<<locked>>
81%
42337
70%
**21
98%
[Lovex S071]*
<<locked>>
81%
26281
43%
**57
92%
Norma 204
<<locked>>
81%
40190
66%
**18
95%
[Norma MRP]*
<<locked>>
81%
32111
53%
**07
93%
Norma URP
<<locked>>
81%
41220
68%
**44
99%
[Ramshot Grand]*
<<locked>>
82%
34040
56%
**30
90%
Ramshot Hunter
<<locked>>
81%
39914
66%
**28
97%
[Ramshot Magnum]*
<<locked>>
82%
29428
48%
**92
90%
ReloadSwiss RS 14
<<locked>>
81%
28500
47%
**44
100%
ReloadSwiss RS 60
<<locked>>
81%
48762
80%
**31
100%
ReloadSwiss RS 62
<<locked>>
81%
41365
68%
**67
99%
ReloadSwiss RS 70
<<locked>>
81%
39827
65%
**84
99%
[ReloadSwiss RS 76]*
<<locked>>
87%
29718
49%
**44
90%
Rottweil R 903
<<locked>>
81%
48762
80%
**33
100%
[Rottweil R 904]*
<<locked>>
81%
36622
60%
**07
92%
[Rottweil R 905]*
<<locked>>
81%
34026
56%
**90
93%
Rottweil R 907
<<locked>>
81%
45266
74%
**67
98%
SNPE Vectan SP 11
<<locked>>
81%
50082
82%
**89
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
49458
81%
**28
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
43221
71%
**89
98%
Shooters World Long Rifle
<<locked>>
81%
44309
73%
**44
99%
Somchem S355
<<locked>>
81%
49052
81%
**33
100%
[Somchem S361]*
<<locked>>
81%
36956
61%
**87
91%
Somchem S365
<<locked>>
81%
37594
62%
**02
100%
[Somchem S385]*
<<locked>>
81%
34693
57%
**87
94%
Vihtavuori N135
<<locked>>
81%
47659
78%
**31
100%
Vihtavuori N150
<<locked>>
81%
42076
69%
**79
100%
Vihtavuori N160
<<locked>>
81%
44585
73%
**80
100%
[Vihtavuori N165]*
<<locked>>
81%
29153
48%
**33
91%
Vihtavuori N550
<<locked>>
81%
44947
74%
**20
100%
Vihtavuori N555
<<locked>>
81%
32822
54%
**93
98%
[Vihtavuori N560]*
<<locked>>
85%
35375
58%
**69
90%
[Vihtavuori N565]*
<<locked>>
89%
33924
56%
**26
90%
Winchester 6.5 StaBALL
<<locked>>
81%
41742
69%
**15
100%
Winchester 760
<<locked>>
81%
47210
77%
**72
98%
Winchester StaBALL HD
<<locked>>
81%
23467
39%
**95
97%
[Winchester Supreme 780]*
<<locked>>
81%
34374
56%
**77
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.

<<locked>>... you need to buy an access license to unlock the data

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