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Load data for .300 Blaser Mag + .308 | 165gr | Geco STAR

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Recommended Powder(s):

.300 Blaser Mag + .308 | 165gr | Geco STAR

Load Specifications

Bullet:
.308 | 165gr | Geco STAR
Manufacturer SKU:
2426908
Bullet Weight:
165gr | 10.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.232" | 31.3mm
Caliber:
.300 Blaser Mag
Case Length (l3):
2.519" | 64.0mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.461" | 11.7mm
Shank Seated Depth:
0.461" | 11.7mm
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_B10736_C351

>> Use the Personalized Load Calculator further below to adjust input parameters. 

Load data for 144 loads in caliber .300 Blaser Mag with .308 | 165gr | Geco STAR bullet and 72 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".

    • A load must fulfill certain criteria to be listed in the default view below - see here.

    • Our load data might deviate from other sources - see the most common reasons here

    • All loads are based on the bullet and case dimensions shown under "Load Specifications" - see here what to do if you deviate.

    • You can set your specifications in the "Personalized Load Calculator".

    • Go to the bottom of the "My Account " page to set the measure system (imperial vs. metric) 

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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>>
85%
54534
90%
**30
100%
ADI AR 2209
<<locked>>
96%
54781
90%
**28
98%
ADI AR 2213
<<locked>>
97%
50125
82%
**63
95%
Accurate 2700
<<locked>>
86%
54563
90%
**90
98%
Accurate 3100
<<locked>>
97%
49342
81%
**84
99%
Accurate 4064
<<locked>>
83%
54157
89%
**97
100%
Accurate 4350
<<locked>>
91%
54201
89%
**92
100%
[Accurate MAGPRO]*
<<locked>>
97%
48153
79%
**46
93%
Alliant Reloder- TS 15.5
<<locked>>
85%
54795
90%
**46
100%
Alliant Reloder-16 👍
<<locked>>
92%
54331
89%
**35
100%
Alliant Reloder-17
<<locked>>
88%
54795
90%
**58
100%
Alliant Reloder-19
<<locked>>
97%
54679
90%
**25
98%
Alliant Reloder-22
<<locked>>
97%
48921
80%
**66
97%
Alliant Reloder-23
<<locked>>
97%
46383
76%
**10
100%
Alliant Reloder-25
<<locked>>
97%
40132
66%
**05
98%
Alliant Reloder-26
<<locked>>
97%
52968
87%
**94
100%
Hodgdon H380
<<locked>>
84%
53969
89%
**53
100%
Hodgdon H414
<<locked>>
87%
54737
90%
**15
99%
Hodgdon H4350
<<locked>>
94%
54462
89%
**53
98%
[Hodgdon H4831]*
<<locked>>
97%
46035
76%
**31
93%
Hodgdon H4831 SC
<<locked>>
97%
52591
86%
**53
95%
Hodgdon Hybrid 100V
<<locked>>
94%
54665
90%
**59
100%
Hodgdon LVR
<<locked>>
89%
54201
89%
**92
100%
Hodgdon Superperformance
<<locked>>
89%
54099
89%
**31
99%
Hodgdon VARGET
<<locked>>
86%
54737
90%
**40
100%
Hodgdon TrailBoss
<<locked>>
97%
34925
57%
**31
100%
IMR 4064
<<locked>>
86%
54563
90%
**23
100%
IMR 4166 Enduron
<<locked>>
86%
54578
90%
**13
99%
IMR 4350
<<locked>>
92%
54462
89%
**49
98%
IMR 4451 Enduron
<<locked>>
87%
54331
89%
**36
99%
IMR 4831
<<locked>>
96%
54737
90%
**89
100%
IMR 4955 Enduron
<<locked>>
97%
51184
84%
**94
95%
IMR 7828 SSC
<<locked>>
97%
51503
85%
**05
96%
Lovex S062
<<locked>>
83%
54795
90%
**20
100%
Lovex S065
<<locked>>
90%
54563
90%
**43
100%
Lovex S070
<<locked>>
91%
54505
89%
**56
99%
Lovex S071
<<locked>>
97%
40698
67%
**20
97%
Norma 204
<<locked>>
91%
54215
89%
**92
97%
Norma MRP
<<locked>>
97%
51721
85%
**51
99%
Norma URP 👍
<<locked>>
92%
54708
90%
**02
100%
Ramshot Hunter 👍
<<locked>>
92%
54563
90%
**18
99%
Ramshot Magnum
<<locked>>
97%
47195
77%
**13
97%
ReloadSwiss RS 14
<<locked>>
96%
35230
58%
**70
100%
ReloadSwiss RS 50
<<locked>>
84%
54404
89%
**40
99%
ReloadSwiss RS 60
<<locked>>
89%
54244
89%
**64
100%
ReloadSwiss RS 62 👍
<<locked>>
91%
54447
89%
**15
100%
ReloadSwiss RS 70 👍
<<locked>>
92%
54505
89%
**74
100%
ReloadSwiss RS 76
<<locked>>
97%
39363
65%
**15
95%
Rottweil R 903
<<locked>>
86%
54708
90%
**49
100%
Rottweil R 904
<<locked>>
95%
54389
89%
**56
96%
Rottweil R 905
<<locked>>
97%
53925
89%
**12
98%
Rottweil R 907
<<locked>>
88%
54404
89%
**40
98%
SNPE Vectan SP 11
<<locked>>
85%
54418
89%
**79
100%
SNPE Vectan Tubal 5000
<<locked>>
86%
54781
90%
**22
100%
SNPE Vectan Tubal 7000
<<locked>>
90%
54694
90%
**90
99%
Shooters World Long Rifle
<<locked>>
90%
54563
90%
**43
100%
Shooters World Precision
<<locked>>
83%
54795
90%
**20
100%
Somchem S355
<<locked>>
86%
54737
90%
**40
100%
Somchem S361
<<locked>>
94%
54563
90%
**23
96%
Somchem S365
<<locked>>
94%
54505
89%
**18
100%
Somchem S385
<<locked>>
97%
54302
89%
**76
98%
Vihtavuori N135
<<locked>>
87%
54331
89%
**48
100%
Vihtavuori N150
<<locked>>
91%
54433
89%
**94
100%
Vihtavuori N160
<<locked>>
89%
54230
89%
**59
100%
Vihtavuori N165
<<locked>>
97%
45788
75%
**12
96%
Vihtavuori N550
<<locked>>
89%
54810
90%
**09
100%
Vihtavuori N555
<<locked>>
97%
51938
85%
**86
100%
Vihtavuori N560
<<locked>>
97%
48892
80%
**79
95%
[Vihtavuori N565]*
<<locked>>
97%
41510
68%
**08
92%
Winchester 6.5 StaBALL
<<locked>>
91%
54795
90%
**40
100%
Winchester 760
<<locked>>
87%
54737
90%
**15
99%
Winchester StaBALL HD
<<locked>>
97%
40350
66%
**46
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
47906
79%
**25
100%
[ADI AR 2209]*
<<locked>>
81%
33707
55%
**66
90%
[ADI AR 2213]*
<<locked>>
88%
37362
61%
**84
90%
Accurate 2700
<<locked>>
81%
46369
76%
**49
97%
[Accurate 3100]*
<<locked>>
81%
28514
47%
**18
92%
Accurate 4064
<<locked>>
81%
50792
83%
**48
100%
Accurate 4350
<<locked>>
81%
38914
64%
**00
98%
[Accurate MAGPRO]*
<<locked>>
93%
42061
69%
**25
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
48718
80%
**51
100%
Alliant Reloder-16
<<locked>>
81%
37971
62%
**17
98%
Alliant Reloder-17
<<locked>>
81%
42989
71%
**44
100%
[Alliant Reloder-19]*
<<locked>>
81%
32967
54%
**56
90%
[Alliant Reloder-22]*
<<locked>>
85%
32982
54%
**95
90%
Alliant Reloder-23
<<locked>>
81%
27702
45%
**51
96%
[Alliant Reloder-25]*
<<locked>>
84%
27050
44%
**25
90%
[Alliant Reloder-26]*
<<locked>>
81%
29617
49%
**62
94%
Hodgdon H380
<<locked>>
81%
49429
81%
**71
99%
Hodgdon H414
<<locked>>
81%
44382
73%
**28
97%
[Hodgdon H4350]*
<<locked>>
81%
36506
60%
**95
94%
[Hodgdon H4831]*
<<locked>>
91%
38174
63%
**64
90%
[Hodgdon H4831 SC]*
<<locked>>
87%
38174
63%
**64
90%
Hodgdon Hybrid 100V
<<locked>>
81%
35346
58%
**08
99%
Hodgdon LVR
<<locked>>
81%
41698
68%
**56
98%
Hodgdon Superperformance
<<locked>>
81%
39900
66%
**62
95%
Hodgdon VARGET
<<locked>>
81%
47703
78%
**15
100%
Hodgdon TrailBoss
<<locked>>
81%
27833
46%
**80
100%
IMR 4064
<<locked>>
81%
47166
77%
**99
100%
IMR 4166 Enduron
<<locked>>
81%
46296
76%
**72
97%
[IMR 4350]*
<<locked>>
81%
38508
63%
**41
94%
IMR 4451 Enduron
<<locked>>
81%
44382
73%
**56
97%
IMR 4831
<<locked>>
81%
33895
56%
**75
97%
[IMR 4955 Enduron]*
<<locked>>
86%
37376
61%
**08
90%
[IMR 7828 SSC]*
<<locked>>
88%
37391
61%
**94
90%
Lovex S062
<<locked>>
81%
50633
83%
**51
100%
Lovex S065
<<locked>>
81%
41800
69%
**07
98%
Lovex S070
<<locked>>
81%
40103
66%
**84
96%
[Lovex S071]*
<<locked>>
83%
26281
43%
**49
90%
[Norma 204]*
<<locked>>
81%
37840
62%
**64
93%
[Norma MRP]*
<<locked>>
81%
30052
49%
**33
90%
Norma URP
<<locked>>
81%
38667
63%
**00
98%
Ramshot Hunter
<<locked>>
81%
37463
61%
**77
96%
[Ramshot Magnum]*
<<locked>>
86%
31763
52%
**39
90%
ReloadSwiss RS 14
<<locked>>
81%
28195
46%
**16
100%
ReloadSwiss RS 50
<<locked>>
81%
49269
81%
**48
98%
ReloadSwiss RS 60
<<locked>>
81%
41553
68%
**31
100%
ReloadSwiss RS 62
<<locked>>
81%
38609
63%
**13
98%
ReloadSwiss RS 70
<<locked>>
81%
37666
62%
**30
97%
[ReloadSwiss RS 76]*
<<locked>>
91%
31908
52%
**98
90%
Rottweil R 903
<<locked>>
81%
46093
76%
**08
100%
[Rottweil R 904]*
<<locked>>
82%
35708
59%
**82
90%
[Rottweil R 905]*
<<locked>>
81%
32329
53%
**39
90%
Rottweil R 907
<<locked>>
81%
43062
71%
**20
96%
SNPE Vectan SP 11
<<locked>>
81%
47297
78%
**61
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
47297
78%
**10
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
41046
67%
**48
96%
Shooters World Long Rifle
<<locked>>
81%
41800
69%
**07
98%
Shooters World Precision
<<locked>>
81%
50633
83%
**51
100%
Somchem S355
<<locked>>
81%
46224
76%
**95
100%
[Somchem S361]*
<<locked>>
83%
37913
62%
**98
90%
Somchem S365
<<locked>>
81%
35027
58%
**57
100%
[Somchem S385]*
<<locked>>
81%
32532
53%
**20
92%
Vihtavuori N135
<<locked>>
81%
45034
74%
**07
100%
Vihtavuori N150
<<locked>>
81%
39639
65%
**41
100%
Vihtavuori N160
<<locked>>
81%
41698
68%
**26
99%
[Vihtavuori N165]*
<<locked>>
85%
30821
51%
**67
90%
Vihtavuori N550
<<locked>>
81%
42366
70%
**72
99%
Vihtavuori N555
<<locked>>
81%
30530
50%
**36
96%
[Vihtavuori N560]*
<<locked>>
89%
38232
63%
**43
90%
[Vihtavuori N565]*
<<locked>>
93%
36796
60%
**03
90%
Winchester 6.5 StaBALL
<<locked>>
81%
39305
65%
**71
100%
Winchester 760
<<locked>>
81%
44382
73%
**28
97%
[Winchester StaBALL HD]*
<<locked>>
81%
24395
40%
**02
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.

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