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Load data for .300 Lapua Mag. + .308 | 165gr | Geco EXPRESS

Recommended Powder(s): Alliant Reloder-23, Alliant Reloder-26, Somchem S385, Vihtavuori N555, Winchester StaBALL HD

.300 Lapua Mag. + .308 | 165gr | Geco EXPRESS

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 165gr | Geco EXPRESS
Manufacturer SKU:
2416987
Bullet Weight:
165gr | 10.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.197" | 30.4mm
Caliber:
.300 Lapua Mag. load data
Case Length (l3):
2.724" | 69.2mm
Cartridge Length (C.O.L.):
3.625" | 92.1mm
Seated Depth:
0.296" | 7.5mm
Shank Seated Depth:
0.296" | 7.5mm
Case Capacity:
100.0 Grains of Water | 6.49 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
60916 psi | 4200 bar
LID:
LID_B9002_C363
Last updated:
2025-01-01

Load data for 124 loads in caliber .300 Lapua Mag. with .308 | 165gr | Geco EXPRESS bullet and 62 powders such as Alliant Reloder-23, Alliant Reloder-26, Somchem S385, 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".

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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 2209
<<locked>>
92%
54607
90%
**54
98%
ADI AR 2213
<<locked>>
95%
54230
89%
**81
97%
[ADI AR 2217]*
<<locked>>
97%
42134
69%
**25
94%
ADI AR 2225
<<locked>>
97%
37521
62%
**76
96%
Accurate 3100
<<locked>>
95%
54404
89%
**02
100%
Accurate 4350
<<locked>>
86%
54288
89%
**12
100%
Accurate MAGPRO
<<locked>>
96%
54708
90%
**94
96%
Alliant Reloder-16
<<locked>>
88%
54273
89%
**58
100%
Alliant Reloder-17
<<locked>>
83%
54505
89%
**64
100%
Alliant Reloder-19
<<locked>>
92%
54694
90%
**58
99%
Alliant Reloder-22
<<locked>>
95%
54708
90%
**87
99%
Alliant Reloder-23 👍
<<locked>>
97%
54128
89%
**51
100%
Alliant Reloder-25
<<locked>>
97%
47282
78%
**86
100%
Alliant Reloder-26 👍
<<locked>>
93%
54215
89%
**33
100%
[Hodgdon H1000]*
<<locked>>
97%
42134
69%
**25
94%
Hodgdon H4350
<<locked>>
90%
54592
90%
**92
99%
Hodgdon H4831
<<locked>>
97%
53026
87%
**02
96%
Hodgdon H4831 SC
<<locked>>
94%
54259
89%
**25
97%
Hodgdon Hybrid 100V
<<locked>>
90%
54418
89%
**86
100%
Hodgdon LVR
<<locked>>
85%
54186
89%
**18
100%
Hodgdon Retumbo
<<locked>>
97%
37521
62%
**76
96%
Hodgdon Superperformance
<<locked>>
85%
54491
89%
**68
99%
Hodgdon TrailBoss
<<locked>>
97%
35418
58%
**90
100%
IMR 4350
<<locked>>
88%
54636
90%
**92
99%
IMR 4451 Enduron
<<locked>>
84%
54810
90%
**79
99%
IMR 4831
<<locked>>
91%
54433
89%
**99
100%
IMR 4955 Enduron
<<locked>>
94%
54317
89%
**92
97%
IMR 7828 SSC
<<locked>>
94%
54679
90%
**00
98%
Lovex S065
<<locked>>
86%
54621
90%
**69
100%
Lovex S070
<<locked>>
87%
54520
89%
**86
99%
Lovex S071
<<locked>>
97%
48080
79%
**90
99%
Norma 204
<<locked>>
88%
54563
90%
**28
98%
[Norma 217]*
<<locked>>
97%
33460
55%
**87
93%
Norma MRP
<<locked>>
93%
54114
89%
**07
99%
Norma URP
<<locked>>
87%
54810
90%
**25
100%
Ramshot Hunter
<<locked>>
88%
54534
90%
**48
100%
Ramshot Magnum
<<locked>>
96%
54766
90%
**71
99%
ReloadSwiss RS 14
<<locked>>
97%
36042
59%
**32
100%
ReloadSwiss RS 60
<<locked>>
84%
54273
89%
**87
100%
ReloadSwiss RS 62
<<locked>>
86%
54578
90%
**38
100%
ReloadSwiss RS 70
<<locked>>
87%
54534
90%
**00
100%
ReloadSwiss RS 76
<<locked>>
97%
46238
76%
**22
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
41336
68%
**74
92%
Rottweil R 904
<<locked>>
91%
54244
89%
**95
97%
Rottweil R 905
<<locked>>
93%
54781
90%
**48
99%
Rottweil R 907
<<locked>>
85%
54549
90%
**72
99%
SNPE Vectan Tubal 7000
<<locked>>
86%
54375
89%
**23
99%
Shooters World Long Rifle
<<locked>>
86%
54621
90%
**69
100%
Somchem S361
<<locked>>
90%
54563
90%
**66
97%
Somchem S365
<<locked>>
89%
54317
89%
**18
100%
Somchem S385 👍
<<locked>>
92%
54563
90%
**09
99%
Vihtavuori N135
<<locked>>
83%
54476
89%
**77
100%
Vihtavuori N150
<<locked>>
87%
54781
90%
**23
100%
Vihtavuori N160
<<locked>>
85%
54375
89%
**86
100%
Vihtavuori N165
<<locked>>
97%
53098
87%
**72
99%
Vihtavuori N550
<<locked>>
84%
54302
89%
**18
100%
Vihtavuori N555 👍
<<locked>>
94%
54795
90%
**51
100%
Vihtavuori N560
<<locked>>
95%
54563
90%
**10
97%
Vihtavuori N565
<<locked>>
97%
49371
81%
**99
96%
[Vihtavuori N568]*
<<locked>>
97%
43149
71%
**07
92%
Winchester 6.5 StaBALL
<<locked>>
86%
54273
89%
**53
100%
Winchester StaBALL HD 👍
<<locked>>
97%
51300
84%
**33
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2209]*
<<locked>>
81%
37753
62%
**00
94%
[ADI AR 2213]*
<<locked>>
82%
35027
58%
**51
90%
[ADI AR 2217]*
<<locked>>
91%
34824
57%
**35
90%
[ADI AR 2225]*
<<locked>>
89%
29196
48%
**16
90%
Accurate 3100
<<locked>>
81%
33504
55%
**69
95%
Accurate 4350
<<locked>>
81%
45165
74%
**58
100%
[Accurate MAGPRO]*
<<locked>>
86%
39291
65%
**85
90%
Alliant Reloder-16
<<locked>>
81%
43250
71%
**61
100%
Alliant Reloder-17
<<locked>>
81%
49980
82%
**89
100%
[Alliant Reloder-19]*
<<locked>>
81%
37710
62%
**07
94%
[Alliant Reloder-22]*
<<locked>>
81%
33489
55%
**28
92%
Alliant Reloder-23
<<locked>>
81%
32140
53%
**98
98%
[Alliant Reloder-25]*
<<locked>>
81%
28123
46%
**84
92%
Alliant Reloder-26
<<locked>>
81%
34911
57%
**36
97%
[Hodgdon H1000]*
<<locked>>
91%
34824
57%
**35
90%
Hodgdon H4350
<<locked>>
81%
41481
68%
**33
96%
[Hodgdon H4831]*
<<locked>>
85%
35752
59%
**31
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
35752
59%
**31
90%
Hodgdon Hybrid 100V
<<locked>>
81%
40814
67%
**43
100%
Hodgdon LVR
<<locked>>
81%
47747
78%
**04
100%
[Hodgdon Retumbo]*
<<locked>>
89%
29196
48%
**16
90%
Hodgdon Superperformance
<<locked>>
81%
46485
76%
**27
98%
Hodgdon TrailBoss
<<locked>>
81%
28108
46%
**29
100%
IMR 4350
<<locked>>
81%
43511
71%
**79
97%
IMR 4451 Enduron
<<locked>>
81%
49530
81%
**87
99%
IMR 4831
<<locked>>
81%
39204
64%
**20
99%
[IMR 4955 Enduron]*
<<locked>>
81%
35578
58%
**95
91%
[IMR 7828 SSC]*
<<locked>>
81%
34780
57%
**61
90%
Lovex S065
<<locked>>
81%
47166
77%
**35
99%
Lovex S070
<<locked>>
81%
45310
74%
**22
98%
[Lovex S071]*
<<locked>>
81%
28747
47%
**41
93%
Norma 204
<<locked>>
81%
43584
72%
**22
96%
[Norma 217]*
<<locked>>
93%
29675
49%
**69
90%
[Norma MRP]*
<<locked>>
81%
34998
57%
**03
94%
Norma URP
<<locked>>
81%
44454
73%
**48
100%
Ramshot Hunter
<<locked>>
81%
43294
71%
**25
98%
[Ramshot Magnum]*
<<locked>>
81%
30922
51%
**49
91%
ReloadSwiss RS 14
<<locked>>
81%
28718
47%
**68
100%
ReloadSwiss RS 60
<<locked>>
81%
48138
79%
**79
100%
ReloadSwiss RS 62
<<locked>>
81%
45092
74%
**67
99%
ReloadSwiss RS 70
<<locked>>
81%
43395
71%
**81
99%
[ReloadSwiss RS 76]*
<<locked>>
84%
29704
49%
**59
90%
[ReloadSwiss RS 80]*
<<locked>>
94%
37637
62%
**79
90%
[Rottweil R 904]*
<<locked>>
81%
39189
64%
**87
93%
[Rottweil R 905]*
<<locked>>
81%
36854
60%
**80
94%
Rottweil R 907
<<locked>>
81%
48211
79%
**64
98%
SNPE Vectan Tubal 7000
<<locked>>
81%
46224
76%
**79
98%
Shooters World Long Rifle
<<locked>>
81%
47166
77%
**35
99%
[Somchem S361]*
<<locked>>
81%
40045
66%
**77
92%
Somchem S365
<<locked>>
81%
40973
67%
**89
100%
Somchem S385
<<locked>>
81%
37681
62%
**71
95%
Vihtavuori N135
<<locked>>
81%
50676
83%
**25
100%
Vihtavuori N150
<<locked>>
81%
44860
74%
**62
100%
Vihtavuori N160
<<locked>>
81%
47659
78%
**71
100%
[Vihtavuori N165]*
<<locked>>
81%
31546
52%
**10
92%
Vihtavuori N550
<<locked>>
81%
48457
80%
**13
100%
Vihtavuori N555
<<locked>>
81%
36100
59%
**87
98%
[Vihtavuori N560]*
<<locked>>
82%
35346
58%
**87
90%
[Vihtavuori N565]*
<<locked>>
86%
34519
57%
**54
90%
[Vihtavuori N568]*
<<locked>>
94%
39262
64%
**02
90%
Winchester 6.5 StaBALL
<<locked>>
81%
45121
74%
**02
100%
Winchester StaBALL HD
<<locked>>
81%
27137
45%
**95
98%

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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