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Load data for .300 Rem. SA Ultra Mag + .308 | 165gr | Hornady GMX

Recommended Powder(s):

.300 Rem. SA Ultra 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 Rem. SA Ultra Mag load data
Case Length (l3):
2.003" | 50.9mm
Cartridge Length (C.O.L.):
2.783" | 70.7mm
Seated Depth:
0.649" | 16.5mm
Shank Seated Depth:
0.449" | 11.4mm
Case Capacity:
74.0 Grains of Water | 4.80 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
64107 psi | 4420 bar
LID:
LID_B2680_C373
Last updated:
2025-01-01
Recommended Twist Rate:
1:11 - 1:9

Load data for 198 loads in caliber .300 Rem. SA Ultra Mag with .308 | 165gr | Hornady GMX bullet and 99 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 2206H
<<locked>>
90%
57537
90%
**71
100%
ADI AR 2208
<<locked>>
95%
57159
89%
**48
100%
Accurate 2015
<<locked>>
86%
57667
90%
**62
100%
Accurate 2200
<<locked>>
88%
57319
89%
**28
99%
Accurate 2230
<<locked>>
84%
57246
89%
**15
100%
Accurate 2460
<<locked>>
84%
57290
89%
**15
100%
Accurate 2495
<<locked>>
88%
56840
89%
**15
100%
Accurate 2520
<<locked>>
88%
57087
89%
**51
100%
Accurate 2700
<<locked>>
95%
57348
89%
**82
96%
[Accurate 3100]*
<<locked>>
97%
33330
52%
**74
92%
Accurate 4064
<<locked>>
94%
57363
89%
**48
100%
Accurate 4350
<<locked>>
97%
46934
73%
**76
98%
Alliant AR-Comp
<<locked>>
88%
57246
89%
**02
100%
Alliant Reloder- TS 15.5
<<locked>>
95%
57377
90%
**74
100%
Alliant Reloder-10x
<<locked>>
83%
57609
90%
**72
100%
Alliant Reloder-15
<<locked>>
93%
57653
90%
**94
100%
Alliant Reloder-16
<<locked>>
96%
45992
72%
**76
98%
Alliant Reloder-17 👍
<<locked>>
97%
53548
84%
**30
100%
Alliant Reloder-23
<<locked>>
97%
33127
52%
**10
96%
[Alliant Reloder-26]*
<<locked>>
97%
36303
57%
**35
94%
Baschieri & Pellagri 107
<<locked>>
90%
57116
89%
**81
100%
Hodgdon BL-C2
<<locked>>
88%
57348
89%
**84
100%
Hodgdon Benchmark
<<locked>>
87%
57406
90%
**92
100%
Hodgdon CFE223 👍
<<locked>>
93%
57667
90%
**36
100%
Hodgdon H322
<<locked>>
86%
57392
90%
**22
100%
Hodgdon H380
<<locked>>
94%
57319
89%
**74
99%
Hodgdon H414
<<locked>>
97%
55521
87%
**07
97%
[Hodgdon H4350]*
<<locked>>
97%
45092
70%
**64
94%
Hodgdon Hybrid 100V
<<locked>>
97%
42583
66%
**67
99%
Hodgdon LVR
<<locked>>
97%
51155
80%
**31
98%
Hodgdon Superperformance
<<locked>>
97%
50894
79%
**48
96%
Hodgdon VARGET
<<locked>>
95%
57421
90%
**51
100%
Hodgdon TrailBoss
<<locked>>
97%
33823
53%
**86
100%
IMR 3031
<<locked>>
92%
57653
90%
**61
100%
IMR 4064
<<locked>>
96%
57290
89%
**41
100%
IMR 4166 Enduron
<<locked>>
96%
57435
90%
**22
97%
IMR 4198
<<locked>>
83%
57493
90%
**23
100%
IMR 4350
<<locked>>
97%
47427
74%
**03
95%
IMR 4451 Enduron
<<locked>>
97%
56159
88%
**25
97%
IMR 4831
<<locked>>
97%
40219
63%
**28
97%
IMR 4895
<<locked>>
92%
57101
89%
**00
100%
IMR 8208 XBR
<<locked>>
88%
57232
89%
**31
100%
Lovex D073.5
<<locked>>
84%
56956
89%
**12
100%
Lovex D073.6
<<locked>>
90%
57624
90%
**54
100%
Lovex S060
<<locked>>
90%
57377
90%
**99
100%
Lovex S062
<<locked>>
94%
57435
90%
**41
100%
Lovex S065
<<locked>>
97%
52185
81%
**76
98%
Lovex S070
<<locked>>
97%
49197
77%
**46
96%
Norma 201
<<locked>>
90%
57319
89%
**31
100%
Norma 202
<<locked>>
90%
56985
89%
**28
100%
Norma 203B
<<locked>>
93%
57609
90%
**90
100%
[Norma 204]*
<<locked>>
97%
47776
75%
**49
93%
Norma URP
<<locked>>
97%
46818
73%
**62
98%
Ramshot Big Game 👍
<<locked>>
93%
57464
90%
**07
100%
Ramshot Hunter
<<locked>>
97%
45890
72%
**53
96%
Ramshot TAC
<<locked>>
88%
57667
90%
**48
99%
Ramshot Wild Boar
<<locked>>
88%
57058
89%
**71
100%
Ramshot X-Terminator
<<locked>>
85%
57508
90%
**22
100%
ReloadSwiss RS 14
<<locked>>
97%
34127
53%
**22
100%
ReloadSwiss RS 40
<<locked>>
84%
57217
89%
**25
100%
ReloadSwiss RS 50
<<locked>>
94%
57276
89%
**51
98%
ReloadSwiss RS 52
<<locked>>
94%
57682
90%
**17
100%
ReloadSwiss RS 60 👍
<<locked>>
97%
51996
81%
**20
100%
ReloadSwiss RS 62
<<locked>>
97%
47137
74%
**99
98%
ReloadSwiss RS 70
<<locked>>
97%
47645
74%
**18
97%
Rottweil R 901
<<locked>>
87%
56971
89%
**92
100%
Rottweil R 902
<<locked>>
92%
57609
90%
**28
100%
Rottweil R 903
<<locked>>
97%
56724
88%
**67
100%
Rottweil R 907
<<locked>>
97%
54288
85%
**99
96%
SNPE Vectan SP 11 👍
<<locked>>
96%
56768
89%
**04
100%
SNPE Vectan SP 7
<<locked>>
89%
57159
89%
**41
99%
SNPE Vectan SP 9
<<locked>>
90%
57464
90%
**61
100%
SNPE Vectan Tubal 3000
<<locked>>
89%
57638
90%
**49
100%
SNPE Vectan Tubal 5000
<<locked>>
95%
57203
89%
**46
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
52460
82%
**30
97%
Shooters World Long Rifle
<<locked>>
97%
52185
81%
**76
98%
Shooters World Match Rifle
<<locked>>
90%
57624
90%
**54
100%
Shooters World Precision
<<locked>>
94%
57435
90%
**41
100%
Somchem S321
<<locked>>
85%
57087
89%
**48
100%
Somchem S335
<<locked>>
90%
57406
90%
**59
100%
Somchem S341
<<locked>>
89%
57464
90%
**51
100%
Somchem S355
<<locked>>
97%
57551
90%
**77
100%
Somchem S365
<<locked>>
97%
41713
65%
**20
100%
[Somchem S385]*
<<locked>>
97%
39334
61%
**89
92%
Vihtavuori N130
<<locked>>
86%
57551
90%
**23
100%
Vihtavuori N133
<<locked>>
92%
57174
89%
**30
100%
Vihtavuori N135
<<locked>>
97%
55071
86%
**69
100%
Vihtavuori N140
<<locked>>
92%
56942
89%
**95
100%
Vihtavuori N150
<<locked>>
96%
48254
75%
**03
100%
Vihtavuori N160
<<locked>>
97%
51735
81%
**05
99%
Vihtavuori N530
<<locked>>
86%
57435
90%
**44
100%
Vihtavuori N540
<<locked>>
92%
56985
89%
**28
100%
Vihtavuori N550
<<locked>>
97%
51895
81%
**48
99%
Vihtavuori N555
<<locked>>
97%
35665
56%
**95
96%
Winchester 6.5 StaBALL
<<locked>>
97%
50357
79%
**59
100%
Winchester 748
<<locked>>
86%
57450
90%
**84
100%
Winchester 760
<<locked>>
97%
55521
87%
**07
97%
[Winchester StaBALL HD]*
<<locked>>
97%
29356
46%
**57
93%
Winchester StaBALL Match
<<locked>>
84%
57638
90%
**81
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
43932
69%
**51
99%
ADI AR 2208
<<locked>>
81%
37507
59%
**03
96%
Accurate 2015
<<locked>>
81%
49313
77%
**48
100%
Accurate 2200
<<locked>>
81%
46006
72%
**51
98%
Accurate 2230
<<locked>>
81%
52547
82%
**49
100%
Accurate 2460
<<locked>>
81%
52678
82%
**49
100%
Accurate 2495
<<locked>>
81%
44802
70%
**44
100%
Accurate 2520
<<locked>>
81%
45527
71%
**77
100%
[Accurate 2700]*
<<locked>>
81%
35882
56%
**02
90%
[Accurate 3100]*
<<locked>>
94%
30284
47%
**98
90%
Accurate 4064
<<locked>>
81%
38029
59%
**39
100%
[Accurate 4350]*
<<locked>>
81%
27470
43%
**36
91%
Alliant AR-Comp
<<locked>>
81%
45977
72%
**48
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
36898
58%
**23
98%
Alliant Reloder-10x
<<locked>>
81%
53896
84%
**20
100%
Alliant Reloder-15
<<locked>>
81%
39653
62%
**82
97%
[Alliant Reloder-16]*
<<locked>>
81%
28703
45%
**49
91%
Alliant Reloder-17
<<locked>>
81%
31604
49%
**70
95%
[Alliant Reloder-23]*
<<locked>>
88%
25179
39%
**64
90%
[Alliant Reloder-26]*
<<locked>>
91%
30124
47%
**64
90%
Baschieri & Pellagri 107
<<locked>>
81%
43163
67%
**54
98%
Hodgdon BL-C2
<<locked>>
81%
45107
70%
**00
100%
Hodgdon Benchmark
<<locked>>
81%
47921
75%
**48
100%
Hodgdon CFE223
<<locked>>
81%
37782
59%
**82
96%
Hodgdon H322
<<locked>>
81%
49023
76%
**03
100%
Hodgdon H380
<<locked>>
81%
37173
58%
**20
95%
[Hodgdon H414]*
<<locked>>
81%
33315
52%
**67
90%
[Hodgdon H4350]*
<<locked>>
89%
35186
55%
**54
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
26165
41%
**57
92%
[Hodgdon LVR]*
<<locked>>
81%
31053
48%
**02
92%
[Hodgdon Superperformance]*
<<locked>>
87%
36230
57%
**43
90%
Hodgdon VARGET
<<locked>>
81%
37144
58%
**93
96%
Hodgdon TrailBoss
<<locked>>
92%
31662
49%
**44
100%
IMR 3031
<<locked>>
81%
39929
62%
**92
100%
IMR 4064
<<locked>>
81%
36550
57%
**74
96%
[IMR 4166 Enduron]*
<<locked>>
81%
36680
57%
**34
92%
IMR 4198
<<locked>>
81%
53563
84%
**71
100%
[IMR 4350]*
<<locked>>
87%
35186
55%
**54
90%
[IMR 4451 Enduron]*
<<locked>>
81%
34708
54%
**18
91%
[IMR 4831]*
<<locked>>
83%
26063
41%
**67
90%
IMR 4895
<<locked>>
81%
40524
63%
**15
98%
IMR 8208 XBR
<<locked>>
81%
46050
72%
**57
100%
Lovex D073.5
<<locked>>
81%
52156
81%
**43
100%
Lovex D073.6
<<locked>>
81%
42873
67%
**28
100%
Lovex S060
<<locked>>
81%
43932
69%
**82
99%
Lovex S062
<<locked>>
81%
38899
61%
**36
99%
[Lovex S065]*
<<locked>>
81%
32039
50%
**65
92%
[Lovex S070]*
<<locked>>
83%
32300
50%
**95
90%
Norma 201
<<locked>>
81%
43105
67%
**05
99%
Norma 202
<<locked>>
81%
43308
68%
**15
100%
Norma 203B
<<locked>>
81%
39030
61%
**69
98%
[Norma 204]*
<<locked>>
91%
40408
63%
**98
90%
[Norma URP]*
<<locked>>
81%
28239
44%
**36
91%
Ramshot Big Game
<<locked>>
81%
38189
60%
**79
97%
[Ramshot Hunter]*
<<locked>>
85%
31502
49%
**25
90%
Ramshot TAC
<<locked>>
81%
45905
72%
**57
97%
Ramshot Wild Boar
<<locked>>
81%
45194
70%
**77
99%
Ramshot X-Terminator
<<locked>>
81%
49719
78%
**00
99%
ReloadSwiss RS 14
<<locked>>
89%
30516
48%
**50
100%
ReloadSwiss RS 40
<<locked>>
81%
51750
81%
**46
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
37884
59%
**07
93%
ReloadSwiss RS 52
<<locked>>
81%
37579
59%
**82
99%
ReloadSwiss RS 60
<<locked>>
81%
30792
48%
**57
96%
[ReloadSwiss RS 62]*
<<locked>>
81%
27557
43%
**43
90%
[ReloadSwiss RS 70]*
<<locked>>
84%
30995
48%
**21
90%
Rottweil R 901
<<locked>>
81%
47340
74%
**51
100%
Rottweil R 902
<<locked>>
81%
40944
64%
**52
99%
Rottweil R 903
<<locked>>
81%
33910
53%
**57
97%
[Rottweil R 907]*
<<locked>>
83%
34896
54%
**21
90%
SNPE Vectan SP 11
<<locked>>
81%
35273
55%
**13
96%
SNPE Vectan SP 7
<<locked>>
81%
44150
69%
**31
97%
SNPE Vectan SP 9
<<locked>>
81%
42612
66%
**21
98%
SNPE Vectan Tubal 3000
<<locked>>
81%
44469
69%
**59
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
36782
57%
**25
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
83%
32387
51%
**49
90%
[Shooters World Long Rifle]*
<<locked>>
81%
32039
50%
**65
92%
Shooters World Match Rifle
<<locked>>
81%
42873
67%
**28
100%
Shooters World Precision
<<locked>>
81%
38899
61%
**36
99%
Somchem S321
<<locked>>
81%
49763
78%
**36
100%
Somchem S335
<<locked>>
81%
44048
69%
**62
100%
Somchem S341
<<locked>>
81%
43903
68%
**31
98%
Somchem S355
<<locked>>
81%
35070
55%
**70
97%
[Somchem S365]*
<<locked>>
81%
25382
40%
**90
94%
[Somchem S385]*
<<locked>>
94%
35418
55%
**03
90%
Vihtavuori N130
<<locked>>
81%
49371
77%
**12
100%
Vihtavuori N133
<<locked>>
81%
41872
65%
**10
100%
Vihtavuori N135
<<locked>>
81%
33953
53%
**15
100%
Vihtavuori N140
<<locked>>
81%
40538
63%
**39
100%
Vihtavuori N150
<<locked>>
81%
30124
47%
**29
97%
[Vihtavuori N160]*
<<locked>>
81%
30748
48%
**75
92%
Vihtavuori N530
<<locked>>
81%
48254
75%
**07
100%
Vihtavuori N540
<<locked>>
81%
40147
63%
**62
100%
[Vihtavuori N550]*
<<locked>>
81%
30966
48%
**18
93%
[Vihtavuori N555]*
<<locked>>
86%
25222
39%
**97
90%
Winchester 6.5 StaBALL
<<locked>>
81%
29762
46%
**29
95%
Winchester 748
<<locked>>
81%
49313
77%
**62
100%
[Winchester 760]*
<<locked>>
81%
33315
52%
**67
90%
[Winchester StaBALL HD]*
<<locked>>
93%
26339
41%
**46
90%
Winchester StaBALL Match
<<locked>>
81%
51837
81%
**99
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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