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Load data for .300 Blaser Mag + .308 | 135gr | Sierra SP SSPistol

Recommended Powder(s):

.300 Blaser Mag + .308 | 135gr | Sierra SP SSPistol

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 135gr | Sierra SP SSPistol
Manufacturer SKU:
7350
Bullet Weight:
135gr | 8.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
0.967" | 24.6mm
Caliber:
.300 Blaser Mag load data
Case Length (l3):
2.519" | 64.0mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.196" | 5.0mm
Shank Seated Depth:
0.196" | 5.0mm
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_B5867_C351
Last updated:
2025-01-01

Load data for 152 loads in caliber .300 Blaser Mag with .308 | 135gr | Sierra SP SSPistol bullet and 76 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>>
88%
54607
90%
**19
100%
ADI AR 2209
<<locked>>
97%
51155
84%
**12
95%
Accurate 2700
<<locked>>
88%
54302
89%
**46
97%
Accurate 3100
<<locked>>
97%
43787
72%
**38
96%
Accurate 4064
<<locked>>
86%
54476
89%
**99
100%
Accurate 4350 👍
<<locked>>
94%
54694
90%
**74
99%
Alliant Reloder- TS 15.5
<<locked>>
87%
54723
90%
**38
100%
Alliant Reloder-15
<<locked>>
85%
54288
89%
**41
100%
Alliant Reloder-16 👍
<<locked>>
95%
54694
90%
**30
100%
Alliant Reloder-17 👍
<<locked>>
91%
54766
90%
**37
100%
Alliant Reloder-19
<<locked>>
97%
50038
82%
**02
95%
[Alliant Reloder-22]*
<<locked>>
97%
43947
72%
**07
93%
Alliant Reloder-23
<<locked>>
97%
41655
68%
**74
99%
[Alliant Reloder-25]*
<<locked>>
97%
36608
60%
**40
93%
Alliant Reloder-26
<<locked>>
97%
46688
77%
**38
98%
Hodgdon CFE223
<<locked>>
85%
54085
89%
**61
99%
Hodgdon H380
<<locked>>
87%
54549
90%
**28
99%
Hodgdon H414
<<locked>>
90%
54520
90%
**78
97%
Hodgdon H4350
<<locked>>
96%
54694
90%
**28
97%
Hodgdon Hybrid 100V
<<locked>>
97%
54259
89%
**41
100%
Hodgdon LVR
<<locked>>
92%
54549
90%
**71
99%
Hodgdon Superperformance
<<locked>>
92%
54752
90%
**23
97%
Hodgdon VARGET
<<locked>>
88%
54607
90%
**19
100%
Hodgdon TrailBoss
<<locked>>
97%
34534
57%
**34
100%
IMR 3031
<<locked>>
85%
54476
89%
**15
100%
IMR 4064
<<locked>>
89%
54752
90%
**12
100%
IMR 4166 Enduron
<<locked>>
89%
54650
90%
**86
97%
IMR 4350
<<locked>>
95%
54723
90%
**28
97%
IMR 4451 Enduron
<<locked>>
90%
54694
90%
**05
97%
IMR 4831
<<locked>>
97%
50589
83%
**89
99%
IMR 4895
<<locked>>
84%
54447
89%
**58
100%
[IMR 4955 Enduron]*
<<locked>>
97%
47688
78%
**74
92%
Lovex S062
<<locked>>
86%
54244
89%
**02
100%
Lovex S065
<<locked>>
92%
54520
90%
**15
99%
Lovex S070
<<locked>>
94%
54810
90%
**25
98%
[Lovex S071]*
<<locked>>
97%
36825
60%
**67
93%
Norma 203B
<<locked>>
85%
54288
89%
**41
100%
Norma 204
<<locked>>
94%
54273
89%
**55
96%
Norma MRP
<<locked>>
97%
46615
77%
**99
95%
Norma URP
<<locked>>
94%
54795
90%
**87
99%
Ramshot Big Game
<<locked>>
85%
54476
89%
**51
100%
Ramshot Hunter
<<locked>>
95%
54375
89%
**81
98%
[Ramshot Magnum]*
<<locked>>
97%
42380
70%
**35
93%
ReloadSwiss RS 14
<<locked>>
96%
34737
57%
**77
100%
ReloadSwiss RS 50
<<locked>>
87%
54592
90%
**09
98%
ReloadSwiss RS 52
<<locked>>
86%
54752
90%
**64
100%
ReloadSwiss RS 60
<<locked>>
92%
54824
90%
**60
100%
ReloadSwiss RS 62
<<locked>>
94%
54201
89%
**94
99%
ReloadSwiss RS 70
<<locked>>
94%
54679
90%
**50
99%
Rottweil R 902
<<locked>>
85%
54781
90%
**89
100%
Rottweil R 903
<<locked>>
89%
54824
90%
**38
100%
[Rottweil R 904]*
<<locked>>
97%
52373
86%
**76
94%
Rottweil R 905
<<locked>>
97%
49414
81%
**82
95%
Rottweil R 907
<<locked>>
91%
54288
89%
**02
97%
SNPE Vectan SP 11
<<locked>>
88%
54433
89%
**64
100%
SNPE Vectan SP 9
<<locked>>
83%
54389
89%
**22
100%
SNPE Vectan Tubal 5000
<<locked>>
88%
54056
89%
**97
100%
SNPE Vectan Tubal 7000
<<locked>>
92%
54621
90%
**59
97%
Shooters World Long Rifle
<<locked>>
92%
54520
90%
**15
99%
Shooters World Precision
<<locked>>
86%
54244
89%
**02
100%
Somchem S355
<<locked>>
89%
54331
89%
**25
100%
[Somchem S361]*
<<locked>>
97%
54795
90%
**82
94%
Somchem S365 👍
<<locked>>
97%
54360
89%
**04
100%
Somchem S385
<<locked>>
97%
49545
81%
**50
96%
Vihtavuori N133
<<locked>>
84%
54128
89%
**94
100%
Vihtavuori N135
<<locked>>
90%
54563
90%
**50
100%
Vihtavuori N140
<<locked>>
85%
54592
90%
**63
100%
Vihtavuori N150
<<locked>>
94%
54288
89%
**76
100%
Vihtavuori N160
<<locked>>
92%
54708
90%
**41
99%
[Vihtavuori N165]*
<<locked>>
97%
41205
68%
**59
92%
Vihtavuori N540
<<locked>>
85%
54766
90%
**89
100%
Vihtavuori N550 👍
<<locked>>
91%
54447
89%
**78
99%
Vihtavuori N555
<<locked>>
97%
46340
76%
**56
99%
Winchester 6.5 StaBALL
<<locked>>
93%
54317
89%
**02
100%
Winchester 760
<<locked>>
90%
54520
90%
**78
97%
Winchester StaBALL HD
<<locked>>
97%
34084
56%
**68
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
44411
73%
**12
98%
[ADI AR 2209]*
<<locked>>
89%
39320
65%
**46
90%
[Accurate 2700]*
<<locked>>
81%
42656
70%
**10
93%
[Accurate 3100]*
<<locked>>
87%
30719
50%
**10
90%
Accurate 4064
<<locked>>
81%
46456
76%
**54
100%
Accurate 4350
<<locked>>
81%
34751
57%
**44
95%
Alliant Reloder- TS 15.5
<<locked>>
81%
44280
73%
**38
99%
Alliant Reloder-15
<<locked>>
81%
47514
78%
**17
99%
Alliant Reloder-16
<<locked>>
81%
34389
56%
**61
95%
Alliant Reloder-17
<<locked>>
81%
38856
64%
**05
98%
[Alliant Reloder-19]*
<<locked>>
89%
38290
63%
**23
90%
[Alliant Reloder-22]*
<<locked>>
93%
38247
63%
**66
90%
[Alliant Reloder-23]*
<<locked>>
81%
24990
41%
**52
90%
[Alliant Reloder-25]*
<<locked>>
92%
31691
52%
**82
90%
[Alliant Reloder-26]*
<<locked>>
84%
29602
49%
**69
90%
Hodgdon CFE223
<<locked>>
81%
46557
76%
**30
98%
Hodgdon H380
<<locked>>
81%
45397
75%
**61
98%
[Hodgdon H414]*
<<locked>>
81%
40263
66%
**79
93%
[Hodgdon H4350]*
<<locked>>
83%
35143
58%
**99
90%
Hodgdon Hybrid 100V
<<locked>>
81%
31734
52%
**46
95%
Hodgdon LVR
<<locked>>
81%
37739
62%
**20
95%
[Hodgdon Superperformance]*
<<locked>>
81%
36332
60%
**90
91%
Hodgdon VARGET
<<locked>>
81%
43874
72%
**09
98%
Hodgdon TrailBoss
<<locked>>
81%
27398
45%
**64
100%
IMR 3031
<<locked>>
81%
48414
79%
**17
100%
IMR 4064
<<locked>>
81%
43323
71%
**89
98%
[IMR 4166 Enduron]*
<<locked>>
81%
42844
70%
**49
94%
[IMR 4350]*
<<locked>>
81%
35157
58%
**99
90%
[IMR 4451 Enduron]*
<<locked>>
81%
41002
67%
**27
94%
[IMR 4831]*
<<locked>>
81%
30414
50%
**07
93%
IMR 4895
<<locked>>
81%
48660
80%
**43
99%
[IMR 4955 Enduron]*
<<locked>>
94%
43743
72%
**89
90%
Lovex S062
<<locked>>
81%
46775
77%
**58
100%
[Lovex S065]*
<<locked>>
81%
38464
63%
**64
94%
[Lovex S070]*
<<locked>>
81%
36637
60%
**35
92%
[Lovex S071]*
<<locked>>
92%
30864
51%
**10
90%
Norma 203B
<<locked>>
81%
46891
77%
**04
99%
[Norma 204]*
<<locked>>
85%
39146
64%
**30
90%
[Norma MRP]*
<<locked>>
89%
35128
58%
**04
90%
[Norma URP]*
<<locked>>
81%
34925
57%
**48
94%
Ramshot Big Game
<<locked>>
81%
47181
77%
**14
99%
[Ramshot Hunter]*
<<locked>>
81%
33968
56%
**25
92%
[Ramshot Magnum]*
<<locked>>
94%
37753
62%
**17
90%
ReloadSwiss RS 14
<<locked>>
81%
27615
45%
**03
100%
ReloadSwiss RS 50
<<locked>>
81%
45411
75%
**28
96%
ReloadSwiss RS 52
<<locked>>
81%
46456
76%
**10
100%
ReloadSwiss RS 60
<<locked>>
81%
37666
62%
**02
99%
[ReloadSwiss RS 62]*
<<locked>>
81%
34534
57%
**64
94%
[ReloadSwiss RS 70]*
<<locked>>
81%
34098
56%
**54
93%
Rottweil R 902
<<locked>>
81%
48588
80%
**71
100%
Rottweil R 903
<<locked>>
81%
41930
69%
**82
99%
[Rottweil R 904]*
<<locked>>
90%
41843
69%
**63
90%
[Rottweil R 905]*
<<locked>>
89%
37579
62%
**10
90%
[Rottweil R 907]*
<<locked>>
81%
39552
65%
**87
92%
SNPE Vectan SP 11
<<locked>>
81%
43105
71%
**38
98%
SNPE Vectan SP 9
<<locked>>
81%
50517
83%
**46
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
43700
72%
**13
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
37521
62%
**02
93%
[Shooters World Long Rifle]*
<<locked>>
81%
38464
63%
**64
94%
Shooters World Precision
<<locked>>
81%
46775
77%
**58
100%
Somchem S355
<<locked>>
81%
42453
70%
**82
99%
[Somchem S361]*
<<locked>>
91%
44628
73%
**76
90%
Somchem S365
<<locked>>
81%
31328
51%
**89
97%
[Somchem S385]*
<<locked>>
87%
35433
58%
**31
90%
Vihtavuori N133
<<locked>>
81%
49023
80%
**12
100%
Vihtavuori N135
<<locked>>
81%
41133
68%
**13
100%
Vihtavuori N140
<<locked>>
81%
48269
79%
**54
100%
Vihtavuori N150
<<locked>>
81%
36230
59%
**18
98%
Vihtavuori N160
<<locked>>
81%
37797
62%
**97
96%
[Vihtavuori N165]*
<<locked>>
93%
36318
60%
**38
90%
Vihtavuori N540
<<locked>>
81%
47935
79%
**68
100%
Vihtavuori N550
<<locked>>
81%
38566
63%
**43
96%
[Vihtavuori N555]*
<<locked>>
81%
27122
45%
**54
91%
Winchester 6.5 StaBALL
<<locked>>
81%
35926
59%
**28
97%
[Winchester 760]*
<<locked>>
81%
40263
66%
**79
93%
[Winchester StaBALL HD]*
<<locked>>
86%
26020
43%
**41
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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