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Load data for .300 Lapua Mag. + .308 | 180gr | Hornady GMX

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Alliant Reloder-26, Norma MRP, Rottweil R 905

.300 Lapua Mag. + .308 | 180gr | Hornady GMX

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 180gr | Hornady GMX
Manufacturer SKU:
30193
Bullet Weight:
180gr | 11.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.503" | 38.2mm
Caliber:
.300 Lapua Mag. load data
Case Length (l3):
2.724" | 69.2mm
Cartridge Length (C.O.L.):
3.625" | 92.1mm
Seated Depth:
0.602" | 15.3mm
Shank Seated Depth:
0.442" | 11.2mm
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_B2701_C363
Last updated:
2025-01-01
Recommended Twist Rate:
1:11 - 1:9

Load data for 124 loads in caliber .300 Lapua Mag. with .308 | 180gr | Hornady GMX bullet and 62 powders such as ADI AR 2209, Alliant Reloder-19, Alliant Reloder-26, Norma MRP, Rottweil R 905. 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%
54505
89%
**30
99%
ADI AR 2213
<<locked>>
95%
54331
89%
**66
98%
ADI AR 2217
<<locked>>
97%
42612
70%
**30
95%
ADI AR 2225
<<locked>>
97%
37739
62%
**80
97%
Accurate 3100
<<locked>>
95%
54476
89%
**81
100%
Accurate 4350
<<locked>>
86%
54752
90%
**97
100%
Accurate MAGPRO
<<locked>>
95%
54694
90%
**79
96%
Alliant Reloder-16
<<locked>>
88%
54447
89%
**30
100%
Alliant Reloder-17
<<locked>>
83%
54476
89%
**40
100%
Alliant Reloder-19 👍
<<locked>>
92%
54563
90%
**27
99%
Alliant Reloder-22
<<locked>>
95%
54723
90%
**69
99%
Alliant Reloder-23
<<locked>>
96%
54520
89%
**27
100%
Alliant Reloder-25
<<locked>>
97%
47877
79%
**81
100%
Alliant Reloder-26 👍
<<locked>>
92%
54723
90%
**18
100%
Hodgdon H1000
<<locked>>
97%
42612
70%
**30
95%
Hodgdon H4350
<<locked>>
90%
54737
90%
**71
99%
Hodgdon H4831
<<locked>>
97%
53795
88%
**90
97%
Hodgdon H4831 SC
<<locked>>
94%
54810
90%
**17
97%
Hodgdon Hybrid 100V
<<locked>>
90%
54592
90%
**61
100%
Hodgdon LVR
<<locked>>
85%
54534
90%
**00
100%
Hodgdon Retumbo
<<locked>>
97%
37739
62%
**80
97%
Hodgdon Superperformance
<<locked>>
85%
54549
90%
**49
100%
Hodgdon TrailBoss
<<locked>>
97%
35360
58%
**88
100%
IMR 4350
<<locked>>
88%
54128
89%
**61
99%
IMR 4451 Enduron
<<locked>>
84%
54563
90%
**54
100%
IMR 4831
<<locked>>
91%
54708
90%
**81
100%
IMR 4955 Enduron
<<locked>>
94%
54244
89%
**67
97%
IMR 7828 SSC
<<locked>>
94%
54085
89%
**72
98%
Lovex S065
<<locked>>
85%
54447
89%
**44
100%
Lovex S070
<<locked>>
87%
54708
90%
**67
100%
Lovex S071
<<locked>>
97%
49023
80%
**85
100%
Norma 204
<<locked>>
87%
54302
89%
**00
99%
[Norma 217]*
<<locked>>
97%
33866
56%
**02
94%
Norma MRP 👍
<<locked>>
93%
54781
90%
**99
100%
Norma URP
<<locked>>
87%
54737
90%
**04
100%
Ramshot Hunter
<<locked>>
88%
54331
89%
**17
100%
Ramshot Magnum
<<locked>>
96%
54636
90%
**53
99%
ReloadSwiss RS 14
<<locked>>
96%
36027
59%
**27
100%
ReloadSwiss RS 60
<<locked>>
84%
54737
90%
**59
100%
ReloadSwiss RS 62
<<locked>>
86%
54346
89%
**17
100%
ReloadSwiss RS 70
<<locked>>
87%
54346
89%
**66
100%
ReloadSwiss RS 76
<<locked>>
97%
46557
76%
**13
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
42032
69%
**82
93%
Rottweil R 904
<<locked>>
91%
54534
90%
**74
98%
Rottweil R 905 👍
<<locked>>
92%
54766
90%
**27
99%
Rottweil R 907
<<locked>>
84%
54288
89%
**44
99%
SNPE Vectan Tubal 7000
<<locked>>
86%
54534
90%
**05
100%
Shooters World Long Rifle
<<locked>>
85%
54447
89%
**44
100%
Somchem S361
<<locked>>
90%
54679
90%
**51
97%
Somchem S365
<<locked>>
89%
54795
90%
**04
100%
Somchem S385
<<locked>>
92%
54230
89%
**87
99%
Vihtavuori N135
<<locked>>
83%
54708
90%
**49
100%
Vihtavuori N150
<<locked>>
87%
54737
90%
**02
100%
Vihtavuori N160
<<locked>>
85%
54694
90%
**61
100%
Vihtavuori N165
<<locked>>
97%
53824
88%
**67
99%
Vihtavuori N550
<<locked>>
84%
54389
89%
**94
100%
Vihtavuori N555
<<locked>>
93%
54157
89%
**23
100%
Vihtavuori N560
<<locked>>
95%
54375
89%
**86
98%
Vihtavuori N565
<<locked>>
97%
49821
82%
**90
97%
[Vihtavuori N568]*
<<locked>>
97%
43250
71%
**99
93%
Winchester 6.5 StaBALL
<<locked>>
86%
54549
90%
**28
100%
Winchester StaBALL HD
<<locked>>
97%
51503
85%
**05
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
38305
63%
**18
95%
[ADI AR 2213]*
<<locked>>
81%
34301
56%
**30
91%
[ADI AR 2217]*
<<locked>>
89%
33214
55%
**97
90%
[ADI AR 2225]*
<<locked>>
87%
27688
45%
**72
90%
Accurate 3100
<<locked>>
81%
34084
56%
**84
96%
Accurate 4350
<<locked>>
81%
45890
75%
**49
100%
[Accurate MAGPRO]*
<<locked>>
85%
37202
61%
**28
90%
Alliant Reloder-16
<<locked>>
81%
43816
72%
**49
100%
Alliant Reloder-17
<<locked>>
81%
50691
83%
**74
100%
Alliant Reloder-19
<<locked>>
81%
38290
63%
**05
95%
[Alliant Reloder-22]*
<<locked>>
81%
34026
56%
**46
93%
Alliant Reloder-23
<<locked>>
81%
32750
54%
**16
99%
[Alliant Reloder-25]*
<<locked>>
81%
28572
47%
**15
94%
Alliant Reloder-26
<<locked>>
81%
35476
58%
**41
98%
[Hodgdon H1000]*
<<locked>>
89%
33214
55%
**97
90%
Hodgdon H4350
<<locked>>
81%
42119
69%
**41
97%
[Hodgdon H4831]*
<<locked>>
83%
33895
56%
**80
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
35824
59%
**30
91%
Hodgdon Hybrid 100V
<<locked>>
81%
41307
68%
**41
100%
Hodgdon LVR
<<locked>>
81%
48182
79%
**85
100%
[Hodgdon Retumbo]*
<<locked>>
87%
27688
45%
**72
90%
Hodgdon Superperformance
<<locked>>
81%
47123
77%
**22
99%
Hodgdon TrailBoss
<<locked>>
82%
28616
47%
**47
100%
IMR 4350
<<locked>>
81%
44208
73%
**77
98%
IMR 4451 Enduron
<<locked>>
81%
50299
83%
**79
99%
IMR 4831
<<locked>>
81%
39581
65%
**08
99%
[IMR 4955 Enduron]*
<<locked>>
81%
36172
59%
**07
92%
[IMR 7828 SSC]*
<<locked>>
81%
34896
57%
**66
91%
Lovex S065
<<locked>>
81%
47877
79%
**26
100%
Lovex S070
<<locked>>
81%
45818
75%
**20
99%
[Lovex S071]*
<<locked>>
81%
29414
48%
**59
94%
Norma 204
<<locked>>
81%
44034
72%
**10
97%
[Norma 217]*
<<locked>>
91%
27876
46%
**21
90%
Norma MRP
<<locked>>
81%
35520
58%
**12
96%
Norma URP
<<locked>>
81%
44875
74%
**30
100%
Ramshot Hunter
<<locked>>
81%
43743
72%
**26
99%
[Ramshot Magnum]*
<<locked>>
81%
31285
51%
**64
93%
ReloadSwiss RS 14
<<locked>>
81%
28819
47%
**77
100%
ReloadSwiss RS 60
<<locked>>
81%
48689
80%
**61
100%
ReloadSwiss RS 62
<<locked>>
81%
45759
75%
**72
100%
ReloadSwiss RS 70
<<locked>>
81%
43903
72%
**82
100%
[ReloadSwiss RS 76]*
<<locked>>
82%
28152
46%
**18
90%
[ReloadSwiss RS 80]*
<<locked>>
92%
35723
59%
**28
90%
[Rottweil R 904]*
<<locked>>
81%
39682
65%
**98
94%
Rottweil R 905
<<locked>>
81%
37652
62%
**95
95%
Rottweil R 907
<<locked>>
81%
48820
80%
**53
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
46717
77%
**77
99%
Shooters World Long Rifle
<<locked>>
81%
47877
79%
**26
100%
[Somchem S361]*
<<locked>>
81%
40364
66%
**79
93%
Somchem S365
<<locked>>
81%
41901
69%
**94
100%
Somchem S385
<<locked>>
81%
38174
63%
**79
96%
Vihtavuori N135
<<locked>>
81%
51547
85%
**07
100%
Vihtavuori N150
<<locked>>
81%
45614
75%
**54
100%
Vihtavuori N160
<<locked>>
81%
48298
79%
**59
100%
[Vihtavuori N165]*
<<locked>>
81%
31981
53%
**21
93%
Vihtavuori N550
<<locked>>
81%
48805
80%
**05
100%
Vihtavuori N555
<<locked>>
81%
36724
60%
**89
99%
[Vihtavuori N560]*
<<locked>>
81%
34011
56%
**52
90%
[Vihtavuori N565]*
<<locked>>
84%
32532
53%
**00
90%
[Vihtavuori N568]*
<<locked>>
92%
36854
61%
**44
90%
Winchester 6.5 StaBALL
<<locked>>
81%
45484
75%
**94
100%
Winchester StaBALL HD
<<locked>>
81%
27760
46%
**13
99%

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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