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Load data for .300 Lapua Mag. + .308 | 165gr | Hornady GMX

Recommended Powder(s):

.300 Lapua Mag. + .308 | 165gr | Hornady GMX

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 165gr | Hornady GMX
Manufacturer SKU:
30470
Bullet Weight:
165gr | 10.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.429" | 36.3mm
Caliber:
.300 Lapua Mag. load data
Case Length (l3):
2.724" | 69.2mm
Cartridge Length (C.O.L.):
3.625" | 92.1mm
Seated Depth:
0.528" | 13.4mm
Shank Seated Depth:
0.328" | 8.3mm
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_B2680_C363
Last updated:
2025-01-01
Recommended Twist Rate:
1:11 - 1:9

Load data for 130 loads in caliber .300 Lapua Mag. with .308 | 165gr | Hornady GMX bullet and 65 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 2209
<<locked>>
93%
54694
90%
**51
98%
ADI AR 2213
<<locked>>
96%
54259
89%
**74
97%
[ADI AR 2217]*
<<locked>>
97%
40263
66%
**66
93%
ADI AR 2225
<<locked>>
97%
35882
59%
**17
95%
Accurate 2700
<<locked>>
84%
54665
90%
**20
99%
Accurate 3100
<<locked>>
96%
54317
89%
**89
100%
Accurate 4350
<<locked>>
88%
54462
89%
**18
100%
Accurate MAGPRO
<<locked>>
97%
54520
90%
**87
95%
Alliant Reloder-16
<<locked>>
89%
54041
89%
**54
100%
Alliant Reloder-17
<<locked>>
85%
54418
89%
**64
100%
Alliant Reloder-19
<<locked>>
93%
54650
90%
**45
98%
Alliant Reloder-22
<<locked>>
97%
54433
89%
**77
98%
Alliant Reloder-23 👍
<<locked>>
97%
52112
86%
**18
100%
Alliant Reloder-25
<<locked>>
97%
45324
74%
**40
99%
Alliant Reloder-26 👍
<<locked>>
94%
54172
89%
**23
100%
[Hodgdon H1000]*
<<locked>>
97%
40263
66%
**66
93%
Hodgdon H414
<<locked>>
84%
54244
89%
**25
99%
Hodgdon H4350
<<locked>>
91%
54462
89%
**86
99%
Hodgdon H4831
<<locked>>
97%
51314
84%
**59
96%
Hodgdon H4831 SC
<<locked>>
95%
54810
90%
**28
97%
Hodgdon Hybrid 100V
<<locked>>
91%
54418
89%
**79
100%
Hodgdon LVR
<<locked>>
86%
54375
89%
**15
100%
Hodgdon Retumbo
<<locked>>
97%
35882
59%
**17
95%
Hodgdon Superperformance
<<locked>>
86%
54215
89%
**54
99%
Hodgdon TrailBoss
<<locked>>
96%
35012
57%
**67
100%
IMR 4166 Enduron
<<locked>>
84%
54824
90%
**46
99%
IMR 4350
<<locked>>
89%
54491
89%
**86
99%
IMR 4451 Enduron
<<locked>>
85%
54694
90%
**69
99%
IMR 4831
<<locked>>
93%
54230
89%
**89
100%
IMR 4955 Enduron
<<locked>>
95%
54389
89%
**76
97%
IMR 7828 SSC
<<locked>>
96%
54708
90%
**94
97%
Lovex S065
<<locked>>
87%
54476
89%
**63
100%
Lovex S070
<<locked>>
88%
54331
89%
**82
99%
Lovex S071
<<locked>>
97%
45818
75%
**38
99%
Norma 204
<<locked>>
89%
54302
89%
**22
98%
Norma MRP 👍
<<locked>>
95%
54665
90%
**20
99%
Norma URP
<<locked>>
89%
54810
90%
**18
100%
Ramshot Hunter
<<locked>>
89%
54824
90%
**41
100%
Ramshot Magnum
<<locked>>
97%
53896
88%
**58
99%
ReloadSwiss RS 14
<<locked>>
96%
35694
59%
**13
100%
ReloadSwiss RS 60
<<locked>>
86%
54389
89%
**81
100%
ReloadSwiss RS 62
<<locked>>
87%
54027
89%
**35
100%
ReloadSwiss RS 70
<<locked>>
89%
54621
90%
**87
100%
ReloadSwiss RS 76
<<locked>>
97%
44063
72%
**59
98%
Rottweil R 903
<<locked>>
83%
54607
90%
**59
100%
Rottweil R 904
<<locked>>
92%
54288
89%
**86
97%
Rottweil R 905
<<locked>>
94%
54230
89%
**35
98%
Rottweil R 907
<<locked>>
86%
54520
89%
**66
99%
SNPE Vectan Tubal 7000
<<locked>>
87%
54723
90%
**23
99%
Shooters World Long Rifle
<<locked>>
87%
54476
89%
**63
100%
Somchem S355
<<locked>>
83%
54375
89%
**53
100%
Somchem S361
<<locked>>
91%
54520
90%
**53
96%
Somchem S365
<<locked>>
90%
54027
89%
**15
100%
Somchem S385
<<locked>>
93%
54534
90%
**02
99%
Vihtavuori N135
<<locked>>
85%
54810
90%
**71
100%
Vihtavuori N150
<<locked>>
88%
54157
89%
**13
100%
Vihtavuori N160
<<locked>>
86%
54114
89%
**72
100%
Vihtavuori N165
<<locked>>
97%
50879
84%
**27
98%
Vihtavuori N550
<<locked>>
86%
54650
90%
**22
100%
Vihtavuori N555 👍
<<locked>>
95%
54679
90%
**41
100%
Vihtavuori N560
<<locked>>
97%
54636
90%
**10
97%
Vihtavuori N565
<<locked>>
97%
46847
77%
**40
95%
Winchester 6.5 StaBALL
<<locked>>
88%
54447
89%
**53
100%
Winchester 760
<<locked>>
84%
54244
89%
**25
99%
Winchester StaBALL HD 👍
<<locked>>
97%
48051
79%
**81
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2209]*
<<locked>>
81%
36477
60%
**64
93%
[ADI AR 2213]*
<<locked>>
84%
35346
58%
**57
90%
[ADI AR 2217]*
<<locked>>
93%
35723
59%
**44
90%
[ADI AR 2225]*
<<locked>>
91%
29515
48%
**23
90%
Accurate 2700
<<locked>>
81%
50488
83%
**44
98%
Accurate 3100
<<locked>>
81%
32126
53%
**33
95%
Accurate 4350
<<locked>>
81%
43308
71%
**12
99%
[Accurate MAGPRO]*
<<locked>>
88%
39610
65%
**89
90%
Alliant Reloder-16
<<locked>>
81%
41814
69%
**25
99%
Alliant Reloder-17
<<locked>>
81%
48109
79%
**59
100%
[Alliant Reloder-19]*
<<locked>>
81%
36274
60%
**61
93%
[Alliant Reloder-22]*
<<locked>>
81%
32053
53%
**89
91%
Alliant Reloder-23
<<locked>>
81%
30893
51%
**69
98%
[Alliant Reloder-25]*
<<locked>>
81%
27122
45%
**44
91%
Alliant Reloder-26
<<locked>>
81%
33344
55%
**87
97%
[Hodgdon H1000]*
<<locked>>
93%
35723
59%
**44
90%
Hodgdon H414
<<locked>>
81%
49284
81%
**40
99%
Hodgdon H4350
<<locked>>
81%
40176
66%
**00
96%
[Hodgdon H4831]*
<<locked>>
86%
36361
60%
**44
90%
[Hodgdon H4831 SC]*
<<locked>>
83%
36724
60%
**51
90%
Hodgdon Hybrid 100V
<<locked>>
81%
39363
65%
**07
100%
Hodgdon LVR
<<locked>>
81%
45745
75%
**58
99%
[Hodgdon Retumbo]*
<<locked>>
91%
29515
48%
**23
90%
Hodgdon Superperformance
<<locked>>
81%
44440
73%
**81
97%
Hodgdon TrailBoss
<<locked>>
81%
27978
46%
**13
100%
IMR 4166 Enduron
<<locked>>
81%
49908
82%
**67
99%
IMR 4350
<<locked>>
81%
42134
69%
**46
96%
IMR 4451 Enduron
<<locked>>
81%
48211
79%
**58
98%
IMR 4831
<<locked>>
81%
37681
62%
**80
98%
[IMR 4955 Enduron]*
<<locked>>
81%
35099
58%
**75
90%
[IMR 7828 SSC]*
<<locked>>
83%
35201
58%
**61
90%
Lovex S065
<<locked>>
81%
45788
75%
**05
99%
Lovex S070
<<locked>>
81%
43976
72%
**82
98%
[Lovex S071]*
<<locked>>
81%
27731
46%
**02
92%
Norma 204
<<locked>>
81%
42061
69%
**82
95%
[Norma MRP]*
<<locked>>
81%
33649
55%
**64
94%
Norma URP
<<locked>>
81%
42975
71%
**05
99%
Ramshot Hunter
<<locked>>
81%
41698
68%
**89
98%
[Ramshot Magnum]*
<<locked>>
81%
30153
49%
**13
90%
ReloadSwiss RS 14
<<locked>>
81%
28601
47%
**52
100%
ReloadSwiss RS 60
<<locked>>
81%
46224
76%
**46
100%
ReloadSwiss RS 62
<<locked>>
81%
43424
71%
**35
99%
ReloadSwiss RS 70
<<locked>>
81%
41698
68%
**38
99%
[ReloadSwiss RS 76]*
<<locked>>
86%
30443
50%
**82
90%
Rottweil R 903
<<locked>>
81%
50836
83%
**97
100%
[Rottweil R 904]*
<<locked>>
81%
37869
62%
**51
92%
[Rottweil R 905]*
<<locked>>
81%
35534
58%
**48
93%
Rottweil R 907
<<locked>>
81%
46702
77%
**28
98%
SNPE Vectan Tubal 7000
<<locked>>
81%
44788
74%
**43
98%
Shooters World Long Rifle
<<locked>>
81%
45788
75%
**05
99%
Somchem S355
<<locked>>
81%
50705
83%
**97
100%
[Somchem S361]*
<<locked>>
81%
38551
63%
**44
91%
Somchem S365
<<locked>>
81%
39378
65%
**59
100%
[Somchem S385]*
<<locked>>
81%
36274
60%
**38
94%
Vihtavuori N135
<<locked>>
81%
49081
81%
**85
100%
Vihtavuori N150
<<locked>>
81%
43656
72%
**33
100%
Vihtavuori N160
<<locked>>
81%
46209
76%
**35
100%
[Vihtavuori N165]*
<<locked>>
81%
30356
50%
**70
91%
Vihtavuori N550
<<locked>>
81%
46717
77%
**77
100%
Vihtavuori N555
<<locked>>
81%
34505
57%
**44
98%
[Vihtavuori N560]*
<<locked>>
84%
35998
59%
**03
90%
[Vihtavuori N565]*
<<locked>>
88%
35230
58%
**74
90%
Winchester 6.5 StaBALL
<<locked>>
81%
43294
71%
**62
100%
Winchester 760
<<locked>>
81%
49284
81%
**40
99%
Winchester StaBALL HD
<<locked>>
81%
25469
42%
**46
97%

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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