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Load data for .300 Rem. Ultra Mag + .308 | 110gr | Hornady GMX L1.123

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Recommended Powder(s):

.300 Rem. Ultra Mag + .308 | 110gr | Hornady GMX L1.123

Load Specifications

Bullet:
.308 | 110gr | Hornady GMX L1.123
Manufacturer SKU:
30190
Bullet Weight:
110gr | 7.1g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.123" | 28.5mm
Caliber:
.300 Rem. Ultra Mag
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
3.544" | 90.0mm
Seated Depth:
0.429" | 10.9mm
Shank Seated Depth:
0.366" | 9.3mm
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_B2660_C374

>> Use the Personalized Load Calculator further below to adjust input parameters. 

Load data for 164 loads in caliber .300 Rem. Ultra Mag with .308 | 110gr | Hornady GMX L1.123 bullet and 82 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".

    • A load must fulfill certain criteria to be listed in the default view below - see here.

    • Our load data might deviate from other sources - see the most common reasons here

    • All loads are based on the bullet and case dimensions shown under "Load Specifications" - see here what to do if you deviate.

    • You can set your specifications in the "Personalized Load Calculator".

    • Go to the bottom of the "My Account " page to set the measure system (imperial vs. metric) 

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    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.

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 2208
<<locked>>
86%
58218
90%
**92
100%
ADI AR 2209
<<locked>>
96%
58189
90%
**38
97%
ADI AR 2213
<<locked>>
97%
52910
81%
**69
95%
Accurate 2700
<<locked>>
87%
58088
89%
**14
98%
Accurate 3100
<<locked>>
97%
52736
81%
**84
99%
Accurate 4064
<<locked>>
84%
58189
90%
**69
100%
Accurate 4350 👍
<<locked>>
91%
58262
90%
**38
100%
[Accurate MAGPRO]*
<<locked>>
97%
52141
80%
**46
92%
Alliant Reloder- TS 15.5
<<locked>>
86%
58363
90%
**15
100%
Alliant Reloder-15
<<locked>>
83%
57943
89%
**28
100%
Alliant Reloder-16 👍
<<locked>>
93%
57827
89%
**88
100%
Alliant Reloder-17
<<locked>>
88%
58247
90%
**94
100%
Alliant Reloder-19
<<locked>>
97%
57914
89%
**35
97%
Alliant Reloder-22
<<locked>>
97%
52373
81%
**66
96%
Alliant Reloder-23
<<locked>>
97%
49530
76%
**04
100%
Alliant Reloder-25
<<locked>>
97%
42859
66%
**96
97%
Alliant Reloder-26
<<locked>>
97%
57595
89%
**17
100%
Hodgdon CFE223
<<locked>>
83%
58189
90%
**35
100%
Hodgdon H380
<<locked>>
85%
57783
89%
**99
100%
Hodgdon H414
<<locked>>
87%
58305
90%
**48
99%
Hodgdon H4350
<<locked>>
94%
58146
89%
**83
98%
[Hodgdon H4831]*
<<locked>>
97%
48631
75%
**19
92%
Hodgdon H4831 SC
<<locked>>
97%
55709
86%
**63
95%
Hodgdon Hybrid 100V
<<locked>>
95%
58015
89%
**83
100%
Hodgdon LVR 👍
<<locked>>
90%
58305
90%
**42
100%
Hodgdon Superperformance
<<locked>>
89%
58030
89%
**58
99%
Hodgdon VARGET
<<locked>>
87%
58218
90%
**92
100%
Hodgdon TrailBoss
<<locked>>
96%
34461
53%
**54
100%
IMR 3031
<<locked>>
83%
58305
90%
**96
100%
IMR 4064
<<locked>>
87%
58160
89%
**96
100%
IMR 4166 Enduron
<<locked>>
88%
58189
90%
**73
98%
IMR 4350
<<locked>>
93%
58233
90%
**83
98%
IMR 4451 Enduron
<<locked>>
89%
58349
90%
**89
98%
IMR 4831
<<locked>>
96%
58175
90%
**15
100%
[IMR 4955 Enduron]*
<<locked>>
97%
54186
83%
**97
94%
IMR 7828 SSC
<<locked>>
97%
54592
84%
**12
95%
Lovex S062
<<locked>>
85%
58465
90%
**92
100%
Lovex S065
<<locked>>
90%
58233
90%
**86
99%
Lovex S070
<<locked>>
91%
58044
89%
**89
99%
Lovex S071
<<locked>>
97%
43569
67%
**14
96%
Norma 203B
<<locked>>
84%
58450
90%
**32
100%
Norma 204
<<locked>>
92%
58015
89%
**12
97%
Norma MRP
<<locked>>
97%
56144
86%
**71
98%
Norma URP 👍
<<locked>>
92%
58131
89%
**42
100%
Ramshot Big Game
<<locked>>
83%
58233
90%
**22
100%
Ramshot Hunter
<<locked>>
92%
58291
90%
**38
99%
Ramshot Magnum
<<locked>>
97%
51735
80%
**14
97%
ReloadSwiss RS 14
<<locked>>
97%
35302
54%
**03
100%
ReloadSwiss RS 50
<<locked>>
85%
58334
90%
**92
99%
ReloadSwiss RS 52
<<locked>>
84%
58421
90%
**28
100%
ReloadSwiss RS 60
<<locked>>
89%
57986
89%
**10
100%
ReloadSwiss RS 62
<<locked>>
91%
58421
90%
**38
100%
ReloadSwiss RS 70 👍
<<locked>>
92%
58233
90%
**01
100%
ReloadSwiss RS 76
<<locked>>
97%
42308
65%
**89
95%
Rottweil R 902
<<locked>>
84%
58276
90%
**73
100%
Rottweil R 903
<<locked>>
87%
58421
90%
**06
100%
Rottweil R 904
<<locked>>
96%
58378
90%
**83
96%
Rottweil R 905
<<locked>>
97%
57551
89%
**22
97%
Rottweil R 907
<<locked>>
89%
58088
89%
**79
98%
SNPE Vectan SP 11
<<locked>>
86%
58030
89%
**15
100%
SNPE Vectan Tubal 5000
<<locked>>
87%
58015
89%
**78
100%
SNPE Vectan Tubal 7000
<<locked>>
90%
58088
89%
**17
99%
Shooters World Long Rifle
<<locked>>
90%
58233
90%
**86
99%
Shooters World Precision
<<locked>>
85%
58465
90%
**92
100%
Somchem S355
<<locked>>
87%
58073
89%
**89
100%
Somchem S361
<<locked>>
94%
58291
90%
**27
95%
Somchem S365
<<locked>>
94%
57957
89%
**42
100%
Somchem S385
<<locked>>
97%
58363
90%
**86
98%
Vihtavuori N133
<<locked>>
84%
58421
90%
**91
100%
Vihtavuori N135
<<locked>>
89%
58407
90%
**30
100%
Vihtavuori N140
<<locked>>
84%
58465
90%
**37
100%
Vihtavuori N150
<<locked>>
92%
58421
90%
**53
100%
Vihtavuori N160
<<locked>>
89%
58233
90%
**89
100%
Vihtavuori N165
<<locked>>
97%
48747
75%
**92
96%
Vihtavuori N540
<<locked>>
84%
58320
90%
**63
100%
Vihtavuori N550
<<locked>>
89%
57812
89%
**35
100%
Vihtavuori N555
<<locked>>
97%
54998
85%
**99
100%
[Vihtavuori N560]*
<<locked>>
97%
52634
81%
**83
94%
[Vihtavuori N565]*
<<locked>>
97%
44875
69%
**96
92%
Winchester 6.5 StaBALL
<<locked>>
91%
58001
89%
**37
100%
Winchester 760
<<locked>>
87%
58305
90%
**48
99%
Winchester StaBALL HD
<<locked>>
97%
44991
69%
**43
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
49240
76%
**45
99%
[ADI AR 2209]*
<<locked>>
84%
37681
58%
**15
90%
[ADI AR 2213]*
<<locked>>
90%
41901
64%
**23
90%
Accurate 2700
<<locked>>
81%
47529
73%
**33
96%
[Accurate 3100]*
<<locked>>
82%
30255
47%
**82
90%
Accurate 4064
<<locked>>
81%
52272
80%
**81
100%
Accurate 4350
<<locked>>
81%
40132
62%
**91
97%
[Accurate MAGPRO]*
<<locked>>
94%
46137
71%
**19
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
49705
76%
**64
100%
Alliant Reloder-15
<<locked>>
81%
53127
82%
**53
100%
Alliant Reloder-16
<<locked>>
81%
38769
60%
**07
97%
Alliant Reloder-17
<<locked>>
81%
44773
69%
**48
100%
[Alliant Reloder-19]*
<<locked>>
83%
36883
57%
**92
90%
[Alliant Reloder-22]*
<<locked>>
87%
36883
57%
**18
90%
[Alliant Reloder-23]*
<<locked>>
81%
28500
44%
**92
94%
[Alliant Reloder-25]*
<<locked>>
87%
30574
47%
**44
90%
[Alliant Reloder-26]*
<<locked>>
81%
31009
48%
**04
92%
Hodgdon CFE223
<<locked>>
81%
53316
82%
**50
100%
Hodgdon H380
<<locked>>
81%
50923
78%
**81
99%
Hodgdon H414
<<locked>>
81%
46195
71%
**19
96%
[Hodgdon H4350]*
<<locked>>
81%
37492
58%
**72
92%
[Hodgdon H4831]*
<<locked>>
93%
42540
65%
**97
90%
[Hodgdon H4831 SC]*
<<locked>>
89%
42540
65%
**97
90%
Hodgdon Hybrid 100V
<<locked>>
81%
36129
56%
**76
97%
Hodgdon LVR
<<locked>>
81%
42714
66%
**50
97%
[Hodgdon Superperformance]*
<<locked>>
81%
41756
64%
**43
94%
Hodgdon VARGET
<<locked>>
81%
48617
75%
**35
99%
Hodgdon TrailBoss
<<locked>>
81%
27499
42%
**80
100%
IMR 3031
<<locked>>
81%
54114
83%
**37
100%
IMR 4064
<<locked>>
81%
47863
74%
**15
99%
IMR 4166 Enduron
<<locked>>
81%
47036
72%
**73
96%
[IMR 4350]*
<<locked>>
81%
39610
61%
**18
93%
IMR 4451 Enduron
<<locked>>
81%
45440
70%
**46
96%
IMR 4831
<<locked>>
81%
34838
54%
**43
95%
[IMR 4955 Enduron]*
<<locked>>
89%
41901
64%
**48
90%
[IMR 7828 SSC]*
<<locked>>
89%
41698
64%
**27
90%
Lovex S062
<<locked>>
81%
51996
80%
**87
100%
Lovex S065
<<locked>>
81%
42815
66%
**97
96%
Lovex S070
<<locked>>
81%
41220
63%
**68
95%
[Lovex S071]*
<<locked>>
86%
30139
46%
**69
90%
Norma 203B
<<locked>>
81%
52359
81%
**33
100%
[Norma 204]*
<<locked>>
81%
39320
61%
**48
91%
[Norma MRP]*
<<locked>>
83%
33663
52%
**56
90%
Norma URP
<<locked>>
81%
39856
61%
**87
97%
Ramshot Big Game
<<locked>>
81%
53505
82%
**40
100%
[Ramshot Hunter]*
<<locked>>
81%
38870
60%
**54
94%
[Ramshot Magnum]*
<<locked>>
87%
35273
54%
**36
90%
ReloadSwiss RS 14
<<locked>>
81%
27862
43%
**23
100%
ReloadSwiss RS 50
<<locked>>
81%
50981
78%
**61
98%
ReloadSwiss RS 52
<<locked>>
81%
53113
82%
**50
100%
ReloadSwiss RS 60
<<locked>>
81%
43236
67%
**35
100%
ReloadSwiss RS 62
<<locked>>
81%
40306
62%
**97
97%
ReloadSwiss RS 70
<<locked>>
81%
39015
60%
**04
96%
[ReloadSwiss RS 76]*
<<locked>>
92%
35056
54%
**79
90%
Rottweil R 902
<<locked>>
81%
53737
83%
**97
100%
Rottweil R 903
<<locked>>
81%
47427
73%
**12
100%
[Rottweil R 904]*
<<locked>>
85%
40306
62%
**35
90%
[Rottweil R 905]*
<<locked>>
84%
36477
56%
**86
90%
Rottweil R 907
<<locked>>
81%
44048
68%
**20
95%
SNPE Vectan SP 11
<<locked>>
81%
48950
75%
**78
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
48312
74%
**30
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
42293
65%
**28
95%
Shooters World Long Rifle
<<locked>>
81%
42815
66%
**97
96%
Shooters World Precision
<<locked>>
81%
51996
80%
**87
100%
Somchem S355
<<locked>>
81%
47384
73%
**15
100%
[Somchem S361]*
<<locked>>
85%
42032
65%
**18
90%
Somchem S365
<<locked>>
81%
36274
56%
**28
99%
[Somchem S385]*
<<locked>>
81%
34113
53%
**81
90%
Vihtavuori N133
<<locked>>
81%
53766
83%
**22
100%
Vihtavuori N135
<<locked>>
81%
45774
70%
**33
100%
Vihtavuori N140
<<locked>>
81%
53809
83%
**61
100%
Vihtavuori N150
<<locked>>
81%
40669
63%
**35
99%
Vihtavuori N160
<<locked>>
81%
43062
66%
**14
98%
[Vihtavuori N165]*
<<locked>>
87%
34722
53%
**90
90%
Vihtavuori N540
<<locked>>
81%
53722
83%
**87
100%
Vihtavuori N550
<<locked>>
81%
43656
67%
**63
98%
[Vihtavuori N555]*
<<locked>>
81%
31633
49%
**87
94%
[Vihtavuori N560]*
<<locked>>
91%
42641
66%
**63
90%
[Vihtavuori N565]*
<<locked>>
94%
40785
63%
**00
90%
Winchester 6.5 StaBALL
<<locked>>
81%
40973
63%
**48
99%
Winchester 760
<<locked>>
81%
46195
71%
**19
96%
[Winchester StaBALL HD]*
<<locked>>
81%
25512
39%
**26
91%

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.

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