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

Recommended Powder(s): ADI AR 2213, Alliant Reloder-25, IMR 7828 SSC, ReloadSwiss RS 76, Vihtavuori N560

.300 Rem. Ultra 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 Rem. Ultra Mag load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
3.544" | 90.0mm
Seated Depth:
0.809" | 20.5mm
Shank Seated Depth:
0.649" | 16.5mm
Case Capacity:
112.5 Grains of Water | 7.30 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
64977 psi | 4480 bar
LID:
LID_B2701_C374
Last updated:
2025-01-01
Recommended Twist Rate:
1:11 - 1:9

Load data for 118 loads in caliber .300 Rem. Ultra Mag with .308 | 180gr | Hornady GMX bullet and 59 powders such as ADI AR 2213, Alliant Reloder-25, IMR 7828 SSC, ReloadSwiss RS 76, Vihtavuori N560. 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>>
89%
58450
90%
**04
100%
ADI AR 2213 👍
<<locked>>
92%
58407
90%
**46
100%
ADI AR 2217
<<locked>>
97%
50343
77%
**02
99%
[ADI AR 2218]*
<<locked>>
97%
43395
67%
**36
93%
ADI AR 2225
<<locked>>
97%
45701
70%
**82
100%
Accurate 3100
<<locked>>
92%
58407
90%
**38
100%
Accurate 4350
<<locked>>
83%
58059
89%
**54
100%
Accurate MAGPRO
<<locked>>
92%
58465
90%
**49
99%
Alliant Reloder-16
<<locked>>
85%
58320
90%
**00
100%
Alliant Reloder-19
<<locked>>
89%
58001
89%
**97
100%
Alliant Reloder-22
<<locked>>
92%
58073
89%
**23
100%
Alliant Reloder-23
<<locked>>
93%
58291
90%
**81
100%
Alliant Reloder-25 👍
<<locked>>
97%
57435
88%
**33
100%
Alliant Reloder-26
<<locked>>
89%
58015
89%
**43
100%
Alliant Reloder-33
<<locked>>
97%
47514
73%
**08
95%
Hodgdon H1000
<<locked>>
97%
50343
77%
**02
99%
Hodgdon H4350
<<locked>>
87%
57972
89%
**44
100%
Hodgdon H4831
<<locked>>
94%
57711
89%
**77
99%
Hodgdon H4831 SC
<<locked>>
91%
58059
89%
**77
99%
Hodgdon Hybrid 100V
<<locked>>
87%
58160
90%
**18
100%
Hodgdon Retumbo
<<locked>>
97%
45701
70%
**82
100%
Hodgdon TrailBoss
<<locked>>
96%
35462
55%
**01
100%
IMR 4350
<<locked>>
86%
58436
90%
**48
100%
IMR 4831
<<locked>>
89%
58001
89%
**41
100%
IMR 4955 Enduron
<<locked>>
92%
58001
89%
**51
99%
IMR 7828 SSC 👍
<<locked>>
91%
58073
89%
**46
100%
[IMR 7977 Enduron]*
<<locked>>
97%
58189
90%
**02
94%
IMR 8133 Enduron
<<locked>>
97%
41031
63%
**71
97%
Lovex S065
<<locked>>
83%
57885
89%
**15
100%
Lovex S070
<<locked>>
84%
58001
89%
**44
100%
Lovex S071
<<locked>>
97%
57812
89%
**28
100%
Norma 204
<<locked>>
85%
58117
89%
**77
100%
Norma 217
<<locked>>
97%
41872
64%
**13
99%
Norma MRP
<<locked>>
90%
58189
90%
**43
100%
Norma URP
<<locked>>
85%
58450
90%
**64
100%
Ramshot Hunter
<<locked>>
85%
57899
89%
**77
100%
Ramshot Magnum
<<locked>>
92%
57899
89%
**90
100%
ReloadSwiss RS 14
<<locked>>
97%
36680
56%
**50
100%
ReloadSwiss RS 62
<<locked>>
84%
58291
90%
**74
100%
ReloadSwiss RS 70
<<locked>>
84%
57986
89%
**17
100%
ReloadSwiss RS 76 👍
<<locked>>
97%
57943
89%
**02
100%
ReloadSwiss RS 80
<<locked>>
97%
52649
81%
**90
98%
Rottweil R 904
<<locked>>
89%
58102
89%
**58
99%
Rottweil R 905
<<locked>>
90%
58320
90%
**97
100%
SNPE Vectan Tubal 7000
<<locked>>
84%
58436
90%
**92
100%
Shooters World Long Rifle
<<locked>>
83%
57885
89%
**15
100%
Somchem S361
<<locked>>
88%
58015
89%
**25
99%
Somchem S365
<<locked>>
86%
58479
90%
**48
100%
Somchem S385
<<locked>>
89%
57957
89%
**58
100%
Vihtavuori N150
<<locked>>
85%
58175
90%
**69
100%
Vihtavuori N165
<<locked>>
94%
58233
90%
**38
100%
[Vihtavuori N170]*
<<locked>>
97%
47326
73%
**87
93%
Vihtavuori N555
<<locked>>
90%
58247
90%
**74
100%
Vihtavuori N560 👍
<<locked>>
92%
58117
89%
**56
99%
Vihtavuori N565
<<locked>>
96%
58291
90%
**33
99%
Vihtavuori N568
<<locked>>
97%
53069
82%
**87
98%
Vihtavuori N570
<<locked>>
97%
51082
79%
**84
96%
Winchester 6.5 StaBALL
<<locked>>
84%
58378
90%
**85
100%
Winchester StaBALL HD
<<locked>>
94%
58189
90%
**66
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
44179
68%
**77
98%
ADI AR 2213
<<locked>>
81%
39653
61%
**12
96%
[ADI AR 2217]*
<<locked>>
81%
29385
45%
**33
90%
[ADI AR 2218]*
<<locked>>
94%
39740
61%
**48
90%
[ADI AR 2225]*
<<locked>>
81%
26890
41%
**00
92%
Accurate 3100
<<locked>>
81%
40277
62%
**52
99%
Accurate 4350
<<locked>>
81%
53476
82%
**95
100%
[Accurate MAGPRO]*
<<locked>>
81%
39044
60%
**98
93%
Alliant Reloder-16
<<locked>>
81%
50720
78%
**92
100%
Alliant Reloder-19
<<locked>>
81%
44382
68%
**71
98%
Alliant Reloder-22
<<locked>>
81%
40059
62%
**15
97%
Alliant Reloder-23
<<locked>>
81%
38450
59%
**66
100%
Alliant Reloder-25
<<locked>>
81%
33388
51%
**93
98%
Alliant Reloder-26
<<locked>>
81%
43381
67%
**23
100%
[Alliant Reloder-33]*
<<locked>>
90%
36332
56%
**69
90%
[Hodgdon H1000]*
<<locked>>
81%
29385
45%
**33
90%
Hodgdon H4350
<<locked>>
81%
47630
73%
**84
99%
[Hodgdon H4831]*
<<locked>>
81%
37043
57%
**00
94%
Hodgdon H4831 SC
<<locked>>
81%
41452
64%
**98
96%
Hodgdon Hybrid 100V
<<locked>>
81%
47834
74%
**71
100%
[Hodgdon Retumbo]*
<<locked>>
81%
26890
41%
**00
92%
Hodgdon TrailBoss
<<locked>>
81%
28427
44%
**57
100%
IMR 4350
<<locked>>
81%
50024
77%
**20
100%
IMR 4831
<<locked>>
81%
45658
70%
**61
100%
IMR 4955 Enduron
<<locked>>
81%
41191
63%
**69
96%
IMR 7828 SSC
<<locked>>
81%
40538
62%
**44
96%
[IMR 7977 Enduron]*
<<locked>>
90%
46006
71%
**05
90%
[IMR 8133 Enduron]*
<<locked>>
86%
28514
44%
**62
90%
Lovex S065
<<locked>>
81%
53606
83%
**59
100%
Lovex S070
<<locked>>
81%
51938
80%
**49
100%
Lovex S071
<<locked>>
81%
34490
53%
**31
98%
Norma 204
<<locked>>
81%
50720
78%
**72
99%
[Norma 217]*
<<locked>>
82%
24743
38%
**60
90%
Norma MRP
<<locked>>
81%
42177
65%
**84
99%
Norma URP
<<locked>>
81%
51532
79%
**72
100%
Ramshot Hunter
<<locked>>
81%
50633
78%
**69
100%
Ramshot Magnum
<<locked>>
81%
37536
58%
**52
97%
ReloadSwiss RS 14
<<locked>>
81%
29109
45%
**96
100%
ReloadSwiss RS 62
<<locked>>
81%
53301
82%
**05
100%
ReloadSwiss RS 70
<<locked>>
81%
51547
79%
**25
100%
ReloadSwiss RS 76
<<locked>>
81%
31923
49%
**87
96%
[ReloadSwiss RS 80]*
<<locked>>
83%
31314
48%
**41
90%
Rottweil R 904
<<locked>>
81%
45281
70%
**51
97%
Rottweil R 905
<<locked>>
81%
43656
67%
**54
98%
SNPE Vectan Tubal 7000
<<locked>>
81%
52649
81%
**07
100%
Shooters World Long Rifle
<<locked>>
81%
53606
83%
**59
100%
Somchem S361
<<locked>>
81%
46195
71%
**38
97%
Somchem S365
<<locked>>
81%
49037
75%
**30
100%
Somchem S385
<<locked>>
81%
44222
68%
**38
99%
Vihtavuori N150
<<locked>>
81%
51372
79%
**71
100%
Vihtavuori N165
<<locked>>
81%
37217
57%
**87
97%
[Vihtavuori N170]*
<<locked>>
92%
40393
62%
**46
90%
Vihtavuori N555
<<locked>>
81%
43120
66%
**51
100%
Vihtavuori N560
<<locked>>
81%
40176
62%
**35
95%
[Vihtavuori N565]*
<<locked>>
81%
34679
53%
**93
93%
[Vihtavuori N568]*
<<locked>>
83%
32735
50%
**74
90%
[Vihtavuori N570]*
<<locked>>
88%
37637
58%
**08
90%
Winchester 6.5 StaBALL
<<locked>>
81%
52736
81%
**20
100%
Winchester StaBALL HD
<<locked>>
81%
35636
55%
**12
100%

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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