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Load data for .300 Blaser Mag + .308 | 150gr | Speer Grand Slam

Recommended Powder(s):

.300 Blaser Mag + .308 | 150gr | Speer Grand Slam

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 150gr | Speer Grand Slam
Manufacturer SKU:
2026
Bullet Weight:
150gr | 9.7g
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_B6149_C351
Last updated:
2025-01-01

Load data for 0 loads in caliber .300 Blaser Mag with .308 | 150gr | Speer Grand Slam bullet and 0 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".

  • 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>>
86%
54491
89%
**64
100%
ADI AR 2209
<<locked>>
97%
54259
89%
**46
97%
[ADI AR 2213]*
<<locked>>
97%
48820
80%
**61
94%
Accurate 2700
<<locked>>
87%
54360
89%
**09
98%
Accurate 3100
<<locked>>
97%
47964
79%
**89
98%
Accurate 4064
<<locked>>
84%
54708
90%
**48
100%
Accurate 4350 👍
<<locked>>
92%
54578
90%
**36
100%
Alliant Reloder- TS 15.5
<<locked>>
85%
54505
89%
**81
100%
Alliant Reloder-15
<<locked>>
83%
54563
90%
**00
100%
Alliant Reloder-16 👍
<<locked>>
93%
54418
89%
**79
100%
Alliant Reloder-17
<<locked>>
88%
54201
89%
**86
100%
Alliant Reloder-19
<<locked>>
97%
54027
89%
**40
97%
Alliant Reloder-22
<<locked>>
97%
47659
78%
**58
95%
Alliant Reloder-23
<<locked>>
97%
45310
74%
**15
100%
Alliant Reloder-25
<<locked>>
97%
39160
64%
**94
96%
Alliant Reloder-26
<<locked>>
97%
51547
85%
**09
100%
[Bofors RP15]*
<<locked>>
97%
43729
72%
**79
94%
Bofors RP3
<<locked>>
85%
54186
89%
**77
100%
Bofors RP5
<<locked>>
97%
47659
78%
**58
95%
Bofors RP7
<<locked>>
89%
54578
90%
**68
98%
Hodgdon H380
<<locked>>
85%
54737
90%
**94
100%
Hodgdon H414
<<locked>>
88%
54418
89%
**46
98%
Hodgdon H4350
<<locked>>
91%
54099
89%
**97
97%
[Hodgdon H4831]*
<<locked>>
97%
44788
74%
**30
92%
[Hodgdon H4831 SC]*
<<locked>>
97%
51213
84%
**54
94%
Hodgdon Hybrid 100V
<<locked>>
95%
54462
89%
**00
100%
Hodgdon LVR 👍
<<locked>>
90%
54766
90%
**40
100%
Hodgdon Superperformance
<<locked>>
90%
54259
89%
**66
98%
Hodgdon VARGET
<<locked>>
84%
54752
90%
**81
100%
Hodgdon LEVERevolution
<<locked>>
84%
54172
89%
**10
100%
Hodgdon TrailBoss
<<locked>>
97%
34838
57%
**36
100%
IMR 4064
<<locked>>
86%
54230
89%
**51
100%
IMR 4166 Enduron
<<locked>>
87%
54114
89%
**41
98%
IMR 4350
<<locked>>
92%
54302
89%
**84
98%
IMR 4451 Enduron
<<locked>>
88%
54621
90%
**77
98%
IMR 4831
<<locked>>
97%
54636
90%
**23
100%
[IMR 4955 Enduron]*
<<locked>>
97%
50328
83%
**02
94%
[IMR 7828 SSC]*
<<locked>>
97%
50256
82%
**10
94%
Lovex S062
<<locked>>
84%
54650
90%
**58
100%
Lovex S065
<<locked>>
90%
54766
90%
**71
99%
Lovex S070
<<locked>>
91%
54578
90%
**87
98%
Lovex S071
<<locked>>
97%
39639
65%
**15
96%
Norma 203B
<<locked>>
84%
54433
89%
**97
100%
Norma 204
<<locked>>
92%
54157
89%
**20
97%
Norma MRP
<<locked>>
97%
50314
83%
**46
98%
Norma URP
<<locked>>
92%
54578
90%
**33
100%
Ramshot Big Game
<<locked>>
83%
54346
89%
**10
100%
Ramshot Grand
<<locked>>
97%
52837
87%
**66
95%
Ramshot Hunter
<<locked>>
93%
54360
89%
**43
99%
Ramshot Magnum
<<locked>>
97%
45948
75%
**99
96%
ReloadSwiss RS 14
<<locked>>
97%
35389
58%
**78
100%
ReloadSwiss RS 50
<<locked>>
85%
54288
89%
**77
99%
ReloadSwiss RS 60
<<locked>>
87%
54708
90%
**92
100%
ReloadSwiss RS 62 👍
<<locked>>
92%
54563
90%
**56
100%
ReloadSwiss RS 70 👍
<<locked>>
92%
54041
89%
**02
100%
[ReloadSwiss RS 76]*
<<locked>>
97%
37927
62%
**84
93%
Rottweil R 903
<<locked>>
87%
54317
89%
**77
100%
Rottweil R 904
<<locked>>
96%
54766
90%
**94
96%
Rottweil R 905
<<locked>>
97%
52649
86%
**17
97%
Rottweil R 907
<<locked>>
89%
54578
90%
**68
98%
SNPE Vectan SP 11
<<locked>>
86%
54114
89%
**07
100%
SNPE Vectan Tubal 5000
<<locked>>
86%
54491
89%
**56
100%
SNPE Vectan Tubal 7000
<<locked>>
90%
54607
90%
**28
98%
Shooters World Long Rifle
<<locked>>
90%
54766
90%
**71
99%
Shooters World Precision
<<locked>>
84%
54650
90%
**58
100%
Somchem S355
<<locked>>
87%
54462
89%
**81
100%
Somchem S361
<<locked>>
95%
54056
89%
**48
95%
Somchem S365
<<locked>>
95%
54795
90%
**56
100%
Somchem S385
<<locked>>
97%
53722
88%
**04
98%
Vihtavuori N135
<<locked>>
84%
54273
89%
**95
100%
Vihtavuori N150
<<locked>>
88%
54288
89%
**28
100%
Vihtavuori N160
<<locked>>
91%
54070
89%
**94
100%
Vihtavuori N165
<<locked>>
97%
46470
76%
**53
96%
Vihtavuori N540
<<locked>>
83%
54085
89%
**18
100%
Vihtavuori N550
<<locked>>
92%
54621
90%
**10
100%
Vihtavuori N555
<<locked>>
97%
50517
83%
**04
100%
[Vihtavuori N560]*
<<locked>>
97%
50879
84%
**33
94%
Winchester 6.5 StaBALL
<<locked>>
91%
54215
89%
**64
100%
Winchester 760
<<locked>>
88%
54418
89%
**46
98%
Winchester StaBALL HD
<<locked>>
97%
38986
64%
**38
100%
Winchester Supreme 780
<<locked>>
96%
54273
89%
**00
97%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
46978
77%
**30
99%
[ADI AR 2209]*
<<locked>>
84%
35752
59%
**33
90%
[ADI AR 2213]*
<<locked>>
91%
40408
66%
**71
90%
Accurate 2700
<<locked>>
81%
45310
74%
**51
96%
[Accurate 3100]*
<<locked>>
81%
27920
46%
**03
90%
Accurate 4064
<<locked>>
81%
49603
81%
**69
100%
Accurate 4350
<<locked>>
81%
37637
62%
**99
97%
Alliant Reloder- TS 15.5
<<locked>>
81%
47572
78%
**66
100%
Alliant Reloder-15
<<locked>>
81%
50676
83%
**31
100%
Alliant Reloder-16
<<locked>>
81%
36811
60%
**02
97%
Alliant Reloder-17
<<locked>>
81%
41858
69%
**46
99%
[Alliant Reloder-19]*
<<locked>>
84%
35041
58%
**17
90%
[Alliant Reloder-22]*
<<locked>>
88%
35143
58%
**62
90%
[Alliant Reloder-23]*
<<locked>>
81%
26977
44%
**33
94%
[Alliant Reloder-25]*
<<locked>>
87%
28935
47%
**85
90%
[Alliant Reloder-26]*
<<locked>>
81%
28645
47%
**31
91%
[Bofors RP15]*
<<locked>>
90%
35491
58%
**66
90%
Bofors RP3
<<locked>>
81%
47761
78%
**76
100%
[Bofors RP5]*
<<locked>>
88%
35143
58%
**62
90%
Bofors RP7
<<locked>>
81%
42105
69%
**25
95%
Hodgdon H380
<<locked>>
81%
48399
79%
**86
99%
Hodgdon H414
<<locked>>
81%
43352
71%
**33
96%
[Hodgdon H4350]*
<<locked>>
81%
39291
64%
**99
93%
[Hodgdon H4831]*
<<locked>>
94%
41089
67%
**48
90%
[Hodgdon H4831 SC]*
<<locked>>
90%
41220
68%
**48
90%
Hodgdon Hybrid 100V
<<locked>>
81%
34447
57%
**00
98%
Hodgdon LVR
<<locked>>
81%
40495
66%
**51
97%
[Hodgdon Superperformance]*
<<locked>>
81%
39001
64%
**48
94%
Hodgdon VARGET
<<locked>>
81%
49632
81%
**92
100%
Hodgdon LEVERevolution
<<locked>>
81%
49719
82%
**31
100%
Hodgdon TrailBoss
<<locked>>
81%
27557
45%
**68
100%
IMR 4064
<<locked>>
81%
46006
76%
**07
99%
IMR 4166 Enduron
<<locked>>
81%
45150
74%
**74
96%
[IMR 4350]*
<<locked>>
81%
37492
62%
**33
93%
IMR 4451 Enduron
<<locked>>
81%
43395
71%
**61
96%
IMR 4831
<<locked>>
81%
32735
54%
**57
95%
[IMR 4955 Enduron]*
<<locked>>
89%
39900
65%
**85
90%
[IMR 7828 SSC]*
<<locked>>
90%
39972
66%
**71
90%
Lovex S062
<<locked>>
81%
49603
81%
**72
100%
Lovex S065
<<locked>>
81%
40872
67%
**02
97%
Lovex S070
<<locked>>
81%
39088
64%
**79
95%
[Lovex S071]*
<<locked>>
86%
28065
46%
**07
90%
Norma 203B
<<locked>>
81%
49893
82%
**12
100%
[Norma 204]*
<<locked>>
81%
36912
61%
**59
91%
[Norma MRP]*
<<locked>>
84%
32184
53%
**10
90%
Norma URP
<<locked>>
81%
37681
62%
**02
97%
Ramshot Big Game
<<locked>>
81%
50575
83%
**48
100%
[Ramshot Grand]*
<<locked>>
88%
39088
64%
**61
90%
[Ramshot Hunter]*
<<locked>>
81%
36492
60%
**72
94%
[Ramshot Magnum]*
<<locked>>
89%
34084
56%
**13
90%
ReloadSwiss RS 14
<<locked>>
81%
28079
46%
**14
100%
ReloadSwiss RS 50
<<locked>>
81%
48167
79%
**56
98%
ReloadSwiss RS 60
<<locked>>
81%
44483
73%
**22
100%
ReloadSwiss RS 62
<<locked>>
81%
37550
62%
**15
97%
ReloadSwiss RS 70
<<locked>>
81%
36608
60%
**12
96%
[ReloadSwiss RS 76]*
<<locked>>
94%
34272
56%
**66
90%
Rottweil R 903
<<locked>>
81%
44875
74%
**17
100%
[Rottweil R 904]*
<<locked>>
85%
38058
62%
**53
90%
[Rottweil R 905]*
<<locked>>
84%
34345
56%
**13
90%
Rottweil R 907
<<locked>>
81%
42105
69%
**25
95%
SNPE Vectan SP 11
<<locked>>
81%
46166
76%
**72
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
46137
76%
**25
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
40030
66%
**36
95%
Shooters World Long Rifle
<<locked>>
81%
40872
67%
**02
97%
Shooters World Precision
<<locked>>
81%
49603
81%
**72
100%
Somchem S355
<<locked>>
81%
45179
74%
**10
100%
[Somchem S361]*
<<locked>>
86%
40524
67%
**72
90%
Somchem S365
<<locked>>
81%
33895
56%
**46
99%
[Somchem S385]*
<<locked>>
81%
32024
53%
**21
90%
Vihtavuori N135
<<locked>>
81%
49052
81%
**13
100%
Vihtavuori N150
<<locked>>
81%
43294
71%
**35
100%
Vihtavuori N160
<<locked>>
81%
39001
64%
**02
97%
[Vihtavuori N165]*
<<locked>>
87%
33272
55%
**44
90%
Vihtavuori N540
<<locked>>
81%
50314
83%
**59
100%
Vihtavuori N550
<<locked>>
81%
38740
64%
**02
97%
[Vihtavuori N555]*
<<locked>>
81%
29544
49%
**12
94%
[Vihtavuori N560]*
<<locked>>
91%
41031
67%
**17
90%
Winchester 6.5 StaBALL
<<locked>>
81%
38450
63%
**66
99%
Winchester 760
<<locked>>
81%
43352
71%
**33
96%
[Winchester StaBALL HD]*
<<locked>>
81%
23757
39%
**61
90%
[Winchester Supreme 780]*
<<locked>>
84%
35215
58%
**97
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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