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

Recommended Powder(s): Alliant Reloder-16, Hodgdon H414, Hodgdon Superperformance, ReloadSwiss RS 62, ReloadSwiss RS 70

.300 Win. 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 Win. Mag. load data
Case Length (l3):
2.620" | 66.5mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.833" | 21.2mm
Shank Seated Depth:
0.673" | 17.1mm
Case Capacity:
90.5 Grains of Water | 5.88 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B2701_C380
Last updated:
2025-01-01
Recommended Twist Rate:
1:11 - 1:9

Load data for 198 loads in caliber .300 Win. Mag. with .308 | 180gr | Hornady GMX bullet and 99 powders such as Alliant Reloder-16, Hodgdon H414, Hodgdon Superperformance, ReloadSwiss RS 62, ReloadSwiss RS 70. 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".

  • Muzzle velocity vs. barrel length

    Every 1 inch additional barrel length increases muzzle velocity by approx. 30.3 fps

  • 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.

    .

    Loading_icon.gif

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 2206H
<<locked>>
85%
61714
99%
**84
100%
ADI AR 2208
<<locked>>
90%
61873
99%
**77
100%
ADI AR 2209
<<locked>>
97%
53650
86%
**48
98%
ADI AR 2213
<<locked>>
97%
48225
77%
**85
95%
Accurate 2200
<<locked>>
84%
62192
100%
**71
100%
Accurate 2700
<<locked>>
91%
62062
100%
**44
99%
Accurate 3100
<<locked>>
97%
46934
75%
**03
99%
Accurate 4064
<<locked>>
88%
62265
100%
**48
100%
Accurate 4350
<<locked>>
96%
62352
100%
**49
100%
[Accurate MAGPRO]*
<<locked>>
97%
46238
74%
**69
92%
Alliant Reloder- TS 15.5
<<locked>>
90%
61772
99%
**90
100%
Alliant Reloder-15
<<locked>>
87%
61395
98%
**07
100%
Alliant Reloder-16 👍
<<locked>>
97%
60872
98%
**79
100%
Alliant Reloder-17
<<locked>>
93%
62076
100%
**95
100%
Alliant Reloder-19
<<locked>>
97%
52750
85%
**41
98%
Alliant Reloder-22
<<locked>>
97%
46978
75%
**82
97%
Alliant Reloder-23
<<locked>>
97%
44585
71%
**33
100%
Alliant Reloder-25
<<locked>>
97%
38827
62%
**44
98%
Alliant Reloder-26
<<locked>>
97%
50096
80%
**04
100%
Baschieri & Pellagri 107
<<locked>>
84%
61438
99%
**00
100%
Hodgdon CFE223
<<locked>>
88%
62337
100%
**46
100%
Hodgdon H380
<<locked>>
89%
62120
100%
**10
100%
Hodgdon H414 👍
<<locked>>
92%
61801
99%
**69
100%
Hodgdon H4350
<<locked>>
97%
58291
93%
**61
99%
[Hodgdon H4831]*
<<locked>>
97%
44338
71%
**61
93%
Hodgdon H4831 SC
<<locked>>
97%
50734
81%
**79
95%
Hodgdon Hybrid 100V
<<locked>>
97%
57145
92%
**41
100%
Hodgdon LVR
<<locked>>
94%
61554
99%
**43
100%
Hodgdon Superperformance 👍
<<locked>>
94%
61815
99%
**02
100%
Hodgdon VARGET
<<locked>>
90%
61453
99%
**74
100%
Hodgdon TrailBoss
<<locked>>
96%
34403
55%
**99
100%
IMR 3031
<<locked>>
87%
61699
99%
**48
100%
IMR 4064
<<locked>>
91%
62004
99%
**67
100%
IMR 4166 Enduron
<<locked>>
91%
61772
99%
**67
100%
IMR 4350
<<locked>>
97%
61235
98%
**04
99%
IMR 4451 Enduron
<<locked>>
92%
61467
99%
**87
100%
IMR 4831
<<locked>>
97%
54346
87%
**28
100%
IMR 4895
<<locked>>
87%
62352
100%
**17
100%
IMR 4955 Enduron
<<locked>>
97%
50285
81%
**30
95%
IMR 7828 SSC
<<locked>>
97%
49139
79%
**12
95%
IMR 8208 XBR
<<locked>>
84%
62294
100%
**54
100%
Lovex D073.6
<<locked>>
84%
62236
100%
**51
100%
Lovex S060
<<locked>>
86%
62018
99%
**28
100%
Lovex S062
<<locked>>
88%
61888
99%
**58
100%
Lovex S065
<<locked>>
95%
61946
99%
**87
100%
Lovex S070
<<locked>>
96%
61960
99%
**07
100%
Lovex S071
<<locked>>
97%
39653
64%
**72
97%
Norma 201
<<locked>>
86%
62062
100%
**48
100%
Norma 202
<<locked>>
85%
61902
99%
**31
100%
Norma 203B
<<locked>>
88%
61612
99%
**00
100%
Norma 204
<<locked>>
96%
61424
98%
**43
99%
Norma MRP
<<locked>>
97%
49647
80%
**61
98%
Norma URP
<<locked>>
97%
62308
100%
**53
100%
Ramshot Big Game
<<locked>>
87%
62105
100%
**20
100%
Ramshot Hunter
<<locked>>
97%
61714
99%
**66
100%
Ramshot Magnum
<<locked>>
97%
45600
73%
**33
97%
Ramshot TAC
<<locked>>
83%
62062
100%
**87
100%
Ramshot Wild Boar
<<locked>>
83%
61670
99%
**94
100%
ReloadSwiss RS 14
<<locked>>
97%
35433
57%
**49
100%
ReloadSwiss RS 50
<<locked>>
89%
61801
99%
**90
100%
ReloadSwiss RS 52
<<locked>>
88%
61728
99%
**10
100%
ReloadSwiss RS 60
<<locked>>
93%
61612
99%
**09
100%
ReloadSwiss RS 62 👍
<<locked>>
96%
62192
100%
**76
100%
ReloadSwiss RS 70 👍
<<locked>>
96%
61351
98%
**12
100%
ReloadSwiss RS 76
<<locked>>
97%
37565
60%
**41
95%
Rottweil R 902
<<locked>>
87%
61685
99%
**38
100%
Rottweil R 903
<<locked>>
91%
61569
99%
**77
100%
Rottweil R 904
<<locked>>
97%
55564
89%
**22
97%
Rottweil R 905
<<locked>>
97%
52083
84%
**31
98%
Rottweil R 907
<<locked>>
94%
62294
100%
**00
99%
SNPE Vectan SP 11
<<locked>>
90%
61873
99%
**27
100%
SNPE Vectan SP 7
<<locked>>
84%
62033
99%
**77
100%
SNPE Vectan SP 9
<<locked>>
86%
62323
100%
**87
100%
SNPE Vectan Tubal 3000
<<locked>>
85%
62149
100%
**62
100%
SNPE Vectan Tubal 5000
<<locked>>
90%
61583
99%
**46
100%
SNPE Vectan Tubal 7000
<<locked>>
94%
61801
99%
**41
100%
Shooters World Long Rifle
<<locked>>
95%
61946
99%
**87
100%
Shooters World Match Rifle
<<locked>>
84%
62236
100%
**51
100%
Shooters World Precision
<<locked>>
88%
61888
99%
**58
100%
Somchem S335
<<locked>>
85%
61569
99%
**66
100%
Somchem S341
<<locked>>
84%
61699
99%
**64
100%
Somchem S355
<<locked>>
91%
61453
99%
**81
100%
Somchem S361
<<locked>>
97%
57711
93%
**25
96%
Somchem S365
<<locked>>
97%
57624
92%
**07
100%
Somchem S385
<<locked>>
97%
53011
85%
**08
98%
Vihtavuori N133
<<locked>>
87%
62337
100%
**46
100%
Vihtavuori N135
<<locked>>
92%
61641
99%
**85
100%
Vihtavuori N140
<<locked>>
87%
62178
100%
**12
100%
Vihtavuori N150
<<locked>>
96%
62221
100%
**48
100%
Vihtavuori N160
<<locked>>
94%
61496
99%
**04
100%
Vihtavuori N165
<<locked>>
97%
44019
71%
**41
96%
Vihtavuori N540
<<locked>>
87%
61627
99%
**35
100%
Vihtavuori N550
<<locked>>
94%
62076
100%
**49
100%
Vihtavuori N555
<<locked>>
97%
49922
80%
**08
100%
[Vihtavuori N560]*
<<locked>>
97%
47065
75%
**99
94%
[Vihtavuori N565]*
<<locked>>
97%
39494
63%
**38
92%
Winchester 6.5 StaBALL
<<locked>>
95%
61743
99%
**77
100%
Winchester 760
<<locked>>
92%
61801
99%
**69
100%
Winchester StaBALL HD
<<locked>>
97%
38290
61%
**79
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
55187
88%
**95
100%
ADI AR 2208
<<locked>>
81%
46789
75%
**51
100%
[ADI AR 2209]*
<<locked>>
81%
32329
52%
**02
90%
[ADI AR 2213]*
<<locked>>
89%
36579
59%
**26
90%
Accurate 2200
<<locked>>
81%
57087
92%
**02
100%
Accurate 2700
<<locked>>
81%
45237
73%
**79
97%
[Accurate 3100]*
<<locked>>
81%
27601
44%
**74
92%
Accurate 4064
<<locked>>
81%
49588
80%
**77
100%
Accurate 4350
<<locked>>
81%
37753
61%
**46
98%
[Accurate MAGPRO]*
<<locked>>
94%
41278
66%
**64
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
47311
76%
**71
100%
Alliant Reloder-15
<<locked>>
81%
50502
81%
**43
100%
Alliant Reloder-16
<<locked>>
81%
36709
59%
**46
98%
Alliant Reloder-17
<<locked>>
81%
41843
67%
**80
100%
[Alliant Reloder-19]*
<<locked>>
81%
32140
52%
**98
90%
[Alliant Reloder-22]*
<<locked>>
85%
31488
50%
**28
90%
Alliant Reloder-23
<<locked>>
81%
26905
43%
**03
96%
[Alliant Reloder-25]*
<<locked>>
84%
26237
42%
**80
90%
[Alliant Reloder-26]*
<<locked>>
81%
28572
46%
**08
94%
Baschieri & Pellagri 107
<<locked>>
81%
55230
89%
**12
100%
Hodgdon CFE223
<<locked>>
81%
49719
80%
**62
100%
Hodgdon H380
<<locked>>
81%
48008
77%
**94
99%
Hodgdon H414
<<locked>>
81%
43279
69%
**64
97%
[Hodgdon H4350]*
<<locked>>
81%
35665
57%
**44
94%
[Hodgdon H4831]*
<<locked>>
91%
37333
60%
**10
90%
[Hodgdon H4831 SC]*
<<locked>>
88%
37333
60%
**10
90%
Hodgdon Hybrid 100V
<<locked>>
81%
34345
55%
**44
99%
Hodgdon LVR
<<locked>>
81%
40451
65%
**95
98%
Hodgdon Superperformance
<<locked>>
81%
38798
62%
**02
95%
Hodgdon VARGET
<<locked>>
81%
46427
74%
**48
100%
Hodgdon TrailBoss
<<locked>>
90%
31923
51%
**54
100%
IMR 3031
<<locked>>
81%
51750
83%
**13
100%
IMR 4064
<<locked>>
81%
46064
74%
**25
100%
IMR 4166 Enduron
<<locked>>
81%
45397
73%
**05
98%
IMR 4350
<<locked>>
81%
37492
60%
**84
95%
IMR 4451 Enduron
<<locked>>
81%
43540
70%
**92
97%
IMR 4831
<<locked>>
81%
32967
53%
**18
97%
IMR 4895
<<locked>>
81%
51721
83%
**66
100%
[IMR 4955 Enduron]*
<<locked>>
86%
35984
58%
**44
90%
[IMR 7828 SSC]*
<<locked>>
88%
36274
58%
**33
90%
IMR 8208 XBR
<<locked>>
81%
57305
92%
**92
100%
Lovex D073.6
<<locked>>
81%
55535
89%
**69
100%
Lovex S060
<<locked>>
81%
54041
87%
**20
100%
Lovex S062
<<locked>>
81%
49458
79%
**80
100%
Lovex S065
<<locked>>
81%
40886
66%
**43
98%
Lovex S070
<<locked>>
81%
39059
63%
**23
96%
[Lovex S071]*
<<locked>>
82%
24831
40%
**98
90%
Norma 201
<<locked>>
81%
54056
87%
**40
100%
Norma 202
<<locked>>
81%
54636
88%
**33
100%
Norma 203B
<<locked>>
81%
49850
80%
**30
100%
[Norma 204]*
<<locked>>
81%
36970
59%
**07
93%
[Norma MRP]*
<<locked>>
81%
29109
47%
**82
90%
Norma URP
<<locked>>
81%
37536
60%
**43
98%
Ramshot Big Game
<<locked>>
81%
50241
81%
**53
100%
Ramshot Hunter
<<locked>>
81%
36405
58%
**26
96%
[Ramshot Magnum]*
<<locked>>
86%
30966
50%
**98
90%
Ramshot TAC
<<locked>>
81%
57290
92%
**18
100%
Ramshot Wild Boar
<<locked>>
81%
57725
93%
**38
100%
ReloadSwiss RS 14
<<locked>>
86%
30530
49%
**50
100%
ReloadSwiss RS 50
<<locked>>
81%
48153
77%
**84
99%
ReloadSwiss RS 52
<<locked>>
81%
49748
80%
**43
100%
ReloadSwiss RS 60
<<locked>>
81%
40364
65%
**74
100%
ReloadSwiss RS 62
<<locked>>
81%
37202
60%
**56
98%
ReloadSwiss RS 70
<<locked>>
81%
36608
59%
**62
97%
[ReloadSwiss RS 76]*
<<locked>>
91%
31256
50%
**51
90%
Rottweil R 902
<<locked>>
81%
51329
82%
**90
100%
Rottweil R 903
<<locked>>
81%
44831
72%
**35
100%
[Rottweil R 904]*
<<locked>>
82%
34635
56%
**18
90%
[Rottweil R 905]*
<<locked>>
81%
30922
50%
**79
90%
Rottweil R 907
<<locked>>
81%
41901
67%
**56
96%
SNPE Vectan SP 11
<<locked>>
81%
45934
74%
**90
100%
SNPE Vectan SP 7
<<locked>>
81%
56043
90%
**99
100%
SNPE Vectan SP 9
<<locked>>
81%
53664
86%
**66
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
54694
88%
**74
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
46238
74%
**43
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
40074
64%
**87
96%
Shooters World Long Rifle
<<locked>>
81%
40886
66%
**43
98%
Shooters World Match Rifle
<<locked>>
81%
55535
89%
**69
100%
Shooters World Precision
<<locked>>
81%
49458
79%
**80
100%
Somchem S335
<<locked>>
81%
54505
87%
**71
100%
Somchem S341
<<locked>>
81%
56115
90%
**89
100%
Somchem S355
<<locked>>
81%
45179
72%
**31
100%
[Somchem S361]*
<<locked>>
84%
37043
59%
**51
90%
Somchem S365
<<locked>>
81%
33852
54%
**00
100%
[Somchem S385]*
<<locked>>
81%
31488
50%
**75
92%
Vihtavuori N133
<<locked>>
81%
51721
83%
**08
100%
Vihtavuori N135
<<locked>>
81%
44106
71%
**43
100%
Vihtavuori N140
<<locked>>
81%
51227
82%
**67
100%
Vihtavuori N150
<<locked>>
81%
38551
62%
**80
100%
Vihtavuori N160
<<locked>>
81%
40466
65%
**69
99%
[Vihtavuori N165]*
<<locked>>
85%
29849
48%
**23
90%
Vihtavuori N540
<<locked>>
81%
50908
82%
**90
100%
Vihtavuori N550
<<locked>>
81%
41176
66%
**15
99%
Vihtavuori N555
<<locked>>
81%
29486
47%
**79
96%
[Vihtavuori N560]*
<<locked>>
89%
36535
59%
**66
90%
[Vihtavuori N565]*
<<locked>>
94%
35534
57%
**46
90%
Winchester 6.5 StaBALL
<<locked>>
81%
38174
61%
**10
100%
Winchester 760
<<locked>>
81%
43279
69%
**64
97%
[Winchester StaBALL HD]*
<<locked>>
81%
23830
38%
**67
94%

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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