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Load data for .300 Blaser Mag + .308 | 180gr | Swift Scirocco

Recommended Powder(s): Alliant Reloder-26, Ramshot Hunter, ReloadSwiss RS 70, Vihtavuori N555, Winchester StaBALL HD

.300 Blaser Mag + .308 | 180gr | Swift Scirocco

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 180gr | Swift Scirocco
Bullet Weight:
180gr | 11.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.435" | 36.4mm
Caliber:
.300 Blaser Mag load data
Case Length (l3):
2.519" | 64.0mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.664" | 16.9mm
Shank Seated Depth:
0.564" | 14.3mm
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_B10848_C351
Last updated:
2025-02-02
Recommended Twist Rate:
1:11 - 1:9

Load data for 140 loads in caliber .300 Blaser Mag with .308 | 180gr | Swift Scirocco bullet and 70 powders such as Alliant Reloder-26, Ramshot Hunter, ReloadSwiss RS 70, Vihtavuori N555, Winchester StaBALL HD. 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 2208
<<locked>>
84%
54259
89%
**02
100%
ADI AR 2209
<<locked>>
95%
54520
90%
**94
98%
ADI AR 2213
<<locked>>
97%
51140
84%
**74
96%
[ADI AR 2225]*
<<locked>>
97%
33344
55%
**16
93%
Accurate 2700
<<locked>>
85%
54317
89%
**66
99%
Accurate 3100
<<locked>>
97%
51155
84%
**99
99%
Accurate 4350
<<locked>>
90%
54708
90%
**67
100%
[Accurate MAGPRO]*
<<locked>>
97%
49705
82%
**71
94%
Alliant Reloder- TS 15.5
<<locked>>
84%
54404
89%
**08
100%
Alliant Reloder-16
<<locked>>
91%
54520
90%
**10
100%
Alliant Reloder-17
<<locked>>
87%
54317
89%
**10
100%
Alliant Reloder-19
<<locked>>
96%
54563
90%
**97
98%
Alliant Reloder-22
<<locked>>
97%
50241
82%
**67
98%
Alliant Reloder-23
<<locked>>
97%
48051
79%
**22
100%
Alliant Reloder-25
<<locked>>
97%
42061
69%
**36
99%
Alliant Reloder-26 👍
<<locked>>
96%
54143
89%
**95
100%
Hodgdon H380
<<locked>>
83%
54694
90%
**28
100%
Hodgdon H414
<<locked>>
86%
54418
89%
**84
99%
Hodgdon H4350
<<locked>>
93%
54244
89%
**31
99%
Hodgdon H4831
<<locked>>
97%
47601
78%
**49
95%
Hodgdon H4831 SC
<<locked>>
97%
53679
88%
**61
96%
Hodgdon Hybrid 100V
<<locked>>
93%
54781
90%
**35
100%
Hodgdon LVR
<<locked>>
88%
54389
89%
**67
100%
[Hodgdon Retumbo]*
<<locked>>
97%
33344
55%
**16
93%
Hodgdon Superperformance
<<locked>>
88%
54447
89%
**17
99%
Hodgdon VARGET
<<locked>>
85%
54621
90%
**02
100%
Hodgdon TrailBoss
<<locked>>
96%
34737
57%
**36
100%
IMR 4064
<<locked>>
85%
54070
89%
**89
100%
IMR 4166 Enduron
<<locked>>
85%
54433
89%
**89
99%
IMR 4350
<<locked>>
91%
54592
90%
**31
99%
IMR 4451 Enduron
<<locked>>
87%
54331
89%
**12
99%
IMR 4831
<<locked>>
95%
54752
90%
**54
100%
IMR 4955 Enduron
<<locked>>
97%
53388
88%
**18
96%
IMR 7828 SSC
<<locked>>
97%
53185
87%
**13
97%
Lovex S065
<<locked>>
88%
54230
89%
**08
100%
Lovex S070
<<locked>>
90%
54679
90%
**41
99%
Lovex S071
<<locked>>
97%
42902
70%
**57
98%
Norma 204
<<locked>>
91%
54679
90%
**74
98%
Norma MRP
<<locked>>
97%
53940
89%
**63
99%
Norma URP
<<locked>>
90%
54157
89%
**64
100%
Ramshot Hunter 👍
<<locked>>
91%
54636
90%
**90
100%
Ramshot Magnum
<<locked>>
97%
48979
80%
**31
98%
ReloadSwiss RS 14
<<locked>>
97%
35752
59%
**85
100%
ReloadSwiss RS 60
<<locked>>
88%
54462
89%
**43
100%
ReloadSwiss RS 62
<<locked>>
90%
54505
89%
**94
100%
ReloadSwiss RS 70 👍
<<locked>>
91%
54708
90%
**49
100%
ReloadSwiss RS 76
<<locked>>
97%
40727
67%
**46
97%
Rottweil R 903
<<locked>>
85%
54795
90%
**18
100%
Rottweil R 904
<<locked>>
94%
54404
89%
**41
97%
Rottweil R 905
<<locked>>
96%
54665
90%
**00
98%
Rottweil R 907
<<locked>>
87%
54331
89%
**05
99%
SNPE Vectan SP 11
<<locked>>
84%
54491
89%
**48
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
54186
89%
**84
100%
SNPE Vectan Tubal 7000
<<locked>>
89%
54650
90%
**72
99%
Shooters World Long Rifle
<<locked>>
88%
54230
89%
**08
100%
Somchem S355
<<locked>>
85%
54781
90%
**12
100%
Somchem S361
<<locked>>
93%
54636
90%
**08
96%
Somchem S365
<<locked>>
93%
54389
89%
**84
100%
Somchem S385
<<locked>>
95%
54041
89%
**48
99%
Vihtavuori N135
<<locked>>
86%
54404
89%
**20
100%
Vihtavuori N150
<<locked>>
90%
54679
90%
**76
100%
Vihtavuori N160
<<locked>>
88%
54447
89%
**35
100%
Vihtavuori N165
<<locked>>
97%
47268
78%
**23
97%
Vihtavuori N550
<<locked>>
88%
54592
90%
**74
100%
Vihtavuori N555 👍
<<locked>>
97%
53824
88%
**97
100%
Vihtavuori N560
<<locked>>
97%
50459
83%
**87
96%
[Vihtavuori N565]*
<<locked>>
97%
43424
71%
**36
94%
Winchester 6.5 StaBALL
<<locked>>
90%
54578
90%
**12
100%
Winchester 760
<<locked>>
86%
54418
89%
**84
99%
Winchester StaBALL HD 👍
<<locked>>
97%
42728
70%
**67
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
49501
81%
**23
100%
[ADI AR 2209]*
<<locked>>
81%
34374
56%
**84
92%
[ADI AR 2213]*
<<locked>>
85%
35389
58%
**30
90%
[ADI AR 2225]*
<<locked>>
93%
29776
49%
**11
90%
Accurate 2700
<<locked>>
81%
47601
78%
**54
98%
[Accurate 3100]*
<<locked>>
81%
29921
49%
**62
94%
Accurate 4350
<<locked>>
81%
40698
67%
**28
99%
[Accurate MAGPRO]*
<<locked>>
90%
39363
65%
**57
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
50125
82%
**46
100%
Alliant Reloder-16
<<locked>>
81%
39204
64%
**31
99%
Alliant Reloder-17
<<locked>>
81%
44585
73%
**59
100%
[Alliant Reloder-19]*
<<locked>>
81%
34084
56%
**84
92%
[Alliant Reloder-22]*
<<locked>>
82%
30850
51%
**31
90%
Alliant Reloder-23
<<locked>>
81%
28950
48%
**95
97%
[Alliant Reloder-25]*
<<locked>>
81%
25570
42%
**77
90%
Alliant Reloder-26
<<locked>>
81%
30879
51%
**00
96%
Hodgdon H380
<<locked>>
81%
51140
84%
**72
100%
Hodgdon H414
<<locked>>
81%
46209
76%
**46
98%
Hodgdon H4350
<<locked>>
81%
37942
62%
**23
95%
[Hodgdon H4831]*
<<locked>>
88%
35824
59%
**00
90%
[Hodgdon H4831 SC]*
<<locked>>
85%
36100
59%
**07
90%
Hodgdon Hybrid 100V
<<locked>>
81%
36869
61%
**26
99%
Hodgdon LVR
<<locked>>
81%
43120
71%
**71
99%
[Hodgdon Retumbo]*
<<locked>>
93%
29776
49%
**11
90%
Hodgdon Superperformance
<<locked>>
81%
41220
68%
**74
96%
Hodgdon VARGET
<<locked>>
81%
49168
81%
**20
100%
Hodgdon TrailBoss
<<locked>>
86%
30153
49%
**44
100%
IMR 4064
<<locked>>
81%
48573
80%
**00
100%
IMR 4166 Enduron
<<locked>>
81%
47703
78%
**71
98%
IMR 4350
<<locked>>
81%
39943
66%
**62
96%
IMR 4451 Enduron
<<locked>>
81%
45876
75%
**64
98%
IMR 4831
<<locked>>
81%
35389
58%
**97
98%
[IMR 4955 Enduron]*
<<locked>>
83%
35041
58%
**48
90%
[IMR 7828 SSC]*
<<locked>>
85%
35230
58%
**36
90%
Lovex S065
<<locked>>
81%
43366
71%
**18
99%
Lovex S070
<<locked>>
81%
41568
68%
**02
97%
[Lovex S071]*
<<locked>>
81%
25802
42%
**41
91%
[Norma 204]*
<<locked>>
81%
39349
65%
**89
94%
[Norma MRP]*
<<locked>>
81%
31285
51%
**74
92%
Norma URP
<<locked>>
81%
40089
66%
**18
99%
Ramshot Hunter
<<locked>>
81%
39015
64%
**08
97%
[Ramshot Magnum]*
<<locked>>
83%
30023
49%
**92
90%
ReloadSwiss RS 14
<<locked>>
82%
28906
47%
**40
100%
ReloadSwiss RS 60
<<locked>>
81%
43207
71%
**49
100%
ReloadSwiss RS 62
<<locked>>
81%
40451
66%
**41
99%
ReloadSwiss RS 70
<<locked>>
81%
38841
64%
**44
98%
[ReloadSwiss RS 76]*
<<locked>>
88%
30052
49%
**51
90%
Rottweil R 903
<<locked>>
81%
47819
79%
**07
100%
[Rottweil R 904]*
<<locked>>
81%
35810
59%
**70
91%
[Rottweil R 905]*
<<locked>>
81%
33170
54%
**64
92%
Rottweil R 907
<<locked>>
81%
44483
73%
**35
97%
SNPE Vectan SP 11
<<locked>>
81%
48950
80%
**62
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
48675
80%
**05
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
42438
70%
**59
97%
Shooters World Long Rifle
<<locked>>
81%
43366
71%
**18
99%
Somchem S355
<<locked>>
81%
47979
79%
**10
100%
[Somchem S361]*
<<locked>>
81%
36245
60%
**61
91%
Somchem S365
<<locked>>
81%
36651
60%
**72
100%
[Somchem S385]*
<<locked>>
81%
33750
55%
**54
93%
Vihtavuori N135
<<locked>>
81%
46673
77%
**12
100%
Vihtavuori N150
<<locked>>
81%
41176
68%
**52
100%
Vihtavuori N160
<<locked>>
81%
43279
71%
**48
99%
[Vihtavuori N165]*
<<locked>>
81%
28892
47%
**16
90%
Vihtavuori N550
<<locked>>
81%
43976
72%
**90
99%
Vihtavuori N555
<<locked>>
81%
32111
53%
**70
97%
[Vihtavuori N560]*
<<locked>>
86%
35665
59%
**62
90%
[Vihtavuori N565]*
<<locked>>
90%
34650
57%
**49
90%
Winchester 6.5 StaBALL
<<locked>>
81%
40698
67%
**82
100%
Winchester 760
<<locked>>
81%
46209
76%
**46
98%
Winchester StaBALL HD
<<locked>>
81%
25686
42%
**69
96%

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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