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Load data for .300 H & H Mag. + .308 | 180gr | MAKER Expanding Subsonic

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

.300 H & H Mag. + .308 | 180gr | MAKER Expanding Subsonic

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 180gr | MAKER Expanding Subsonic
Manufacturer SKU:
308-180G-EXP
Bullet Weight:
180gr | 11.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
<<locked>>
Caliber:
.300 H & H Mag. load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
85.9 Grains of Water | 5.58 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B12325_C357
Last updated:
2026-04-03

Load data for 178 loads in caliber .300 H & H Mag. with .308 | 180gr | MAKER Expanding Subsonic bullet and 89 powders such as Alliant Reloder-16, Hodgdon Superperformance, Ramshot Hunter, 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".

  • No data yet

  • 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 2208
<<locked>>
87%
55608
89%
**79
100%
ADI AR 2209
<<locked>>
97%
54302
87%
**51
98%
ADI AR 2213
<<locked>>
97%
48066
77%
**69
95%
Accurate 2700
<<locked>>
87%
55593
89%
**40
99%
Accurate 3100
<<locked>>
97%
47297
76%
**97
99%
Accurate 4064
<<locked>>
85%
55361
89%
**53
100%
Accurate 4350
<<locked>>
92%
55796
89%
**54
100%
[Accurate MAGPRO]*
<<locked>>
97%
46064
74%
**53
92%
Alliant Power Pro 2000-MR
<<locked>>
83%
55637
89%
**10
100%
Alliant Reloder- TS 15.5
<<locked>>
86%
55985
90%
**02
100%
Alliant Reloder-15
<<locked>>
84%
55738
89%
**15
100%
Alliant Reloder-16 👍
<<locked>>
94%
55347
89%
**87
100%
Alliant Reloder-17
<<locked>>
89%
55985
90%
**04
100%
Alliant Reloder-19
<<locked>>
97%
53374
86%
**35
98%
Alliant Reloder-22
<<locked>>
97%
47007
75%
**72
96%
Alliant Reloder-23
<<locked>>
97%
44483
71%
**20
100%
Alliant Reloder-25
<<locked>>
97%
39059
63%
**35
97%
Alliant Reloder-26
<<locked>>
97%
50154
80%
**00
100%
Bofors RP15
<<locked>>
97%
42931
69%
**90
95%
Bofors RP3
<<locked>>
86%
55724
89%
**99
100%
Bofors RP5
<<locked>>
97%
47007
75%
**72
96%
Bofors RP7
<<locked>>
90%
55506
89%
**82
99%
Hodgdon CFE223
<<locked>>
84%
55608
89%
**41
100%
Hodgdon H380
<<locked>>
85%
55477
89%
**05
100%
Hodgdon H414
<<locked>>
88%
55796
89%
**71
99%
Hodgdon H4350
<<locked>>
95%
55840
90%
**15
99%
[Hodgdon H4831]*
<<locked>>
97%
44904
72%
**57
93%
Hodgdon H4831 SC
<<locked>>
97%
50430
81%
**53
95%
Hodgdon Hybrid 100V
<<locked>>
96%
55332
89%
**08
100%
Hodgdon LVR
<<locked>>
91%
55506
89%
**44
100%
Hodgdon Superperformance 👍
<<locked>>
91%
55579
89%
**97
99%
Hodgdon VARGET
<<locked>>
87%
55608
89%
**79
100%
Hodgdon TrailBoss
<<locked>>
97%
34867
56%
**03
100%
IMR 3031
<<locked>>
83%
55651
89%
**62
100%
IMR 4064
<<locked>>
87%
55579
89%
**66
100%
IMR 4166 Enduron
<<locked>>
88%
55912
90%
**69
99%
IMR 4350
<<locked>>
93%
55390
89%
**02
99%
IMR 4451 Enduron
<<locked>>
89%
55724
89%
**95
99%
IMR 4831
<<locked>>
97%
54056
87%
**12
100%
IMR 4895
<<locked>>
83%
55593
89%
**15
100%
IMR 4955 Enduron
<<locked>>
97%
50169
80%
**20
95%
IMR 7828 SSC
<<locked>>
97%
49734
80%
**15
95%
Lovex S062
<<locked>>
85%
56057
90%
**66
100%
Lovex S065
<<locked>>
91%
55405
89%
**89
100%
Lovex S070
<<locked>>
92%
55347
89%
**02
99%
Lovex S071
<<locked>>
97%
39392
63%
**56
97%
Norma 203B
<<locked>>
84%
55912
90%
**08
100%
Norma 204
<<locked>>
93%
55521
89%
**44
98%
Norma MRP
<<locked>>
97%
49487
79%
**44
98%
Norma URP
<<locked>>
93%
55608
89%
**51
100%
Ramshot Big Game
<<locked>>
84%
55434
89%
**15
100%
Ramshot Grand
<<locked>>
97%
52112
84%
**67
96%
Ramshot Hunter 👍
<<locked>>
94%
55796
89%
**71
100%
Ramshot Magnum
<<locked>>
97%
45585
73%
**26
97%
ReloadSwiss RS 14
<<locked>>
96%
35230
56%
**39
100%
ReloadSwiss RS 50
<<locked>>
86%
55956
90%
**95
99%
ReloadSwiss RS 60
<<locked>>
87%
55230
89%
**94
100%
ReloadSwiss RS 62 👍
<<locked>>
92%
55579
89%
**71
100%
ReloadSwiss RS 70 👍
<<locked>>
93%
56057
90%
**27
100%
[ReloadSwiss RS 76]*
<<locked>>
97%
37376
60%
**12
94%
Rottweil R 902
<<locked>>
84%
55970
90%
**53
100%
Rottweil R 903
<<locked>>
88%
55651
89%
**95
100%
Rottweil R 904
<<locked>>
97%
55579
89%
**12
97%
Rottweil R 905
<<locked>>
97%
52576
84%
**22
98%
Rottweil R 907
<<locked>>
90%
55506
89%
**82
99%
SNPE Vectan SP 11
<<locked>>
87%
55970
90%
**38
100%
SNPE Vectan Tubal 5000
<<locked>>
87%
55593
89%
**64
100%
SNPE Vectan Tubal 7000
<<locked>>
91%
55724
89%
**43
99%
Shooters World Long Rifle
<<locked>>
91%
55405
89%
**89
100%
Shooters World Precision
<<locked>>
85%
56057
90%
**66
100%
Somchem S355
<<locked>>
88%
55608
89%
**85
100%
Somchem S361
<<locked>>
96%
55912
90%
**82
96%
Somchem S365
<<locked>>
96%
55724
89%
**61
100%
Somchem S385
<<locked>>
97%
52852
85%
**92
98%
Vihtavuori N133
<<locked>>
83%
55593
89%
**54
100%
Vihtavuori N135
<<locked>>
89%
55622
89%
**07
100%
Vihtavuori N140
<<locked>>
84%
55666
89%
**17
100%
Vihtavuori N150
<<locked>>
93%
55724
89%
**56
100%
Vihtavuori N160
<<locked>>
91%
55811
89%
**12
100%
Vihtavuori N165
<<locked>>
97%
43758
70%
**28
96%
Vihtavuori N540
<<locked>>
84%
55912
90%
**49
100%
Vihtavuori N550
<<locked>>
91%
56014
90%
**58
100%
Vihtavuori N555
<<locked>>
97%
49821
80%
**95
100%
[Vihtavuori N560]*
<<locked>>
97%
46934
75%
**82
94%
[Vihtavuori N565]*
<<locked>>
97%
39755
64%
**25
92%
Winchester 6.5 StaBALL
<<locked>>
92%
55840
90%
**95
100%
Winchester 760
<<locked>>
88%
55796
89%
**71
99%
Winchester StaBALL HD
<<locked>>
97%
38174
61%
**53
100%
Winchester Supreme 780
<<locked>>
97%
55274
89%
**22
98%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
46992
75%
**44
100%
[ADI AR 2209]*
<<locked>>
81%
32750
53%
**05
90%
[ADI AR 2213]*
<<locked>>
89%
37101
59%
**26
90%
Accurate 2700
<<locked>>
81%
45034
72%
**69
97%
[Accurate 3100]*
<<locked>>
81%
27456
44%
**60
92%
Accurate 4064
<<locked>>
81%
49414
79%
**67
100%
Accurate 4350
<<locked>>
81%
37579
60%
**30
98%
[Accurate MAGPRO]*
<<locked>>
94%
41510
67%
**64
90%
Alliant Power Pro 2000-MR
<<locked>>
81%
51619
83%
**48
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
47123
76%
**61
100%
Alliant Reloder-15
<<locked>>
81%
50473
81%
**33
100%
Alliant Reloder-16
<<locked>>
81%
36898
59%
**39
98%
Alliant Reloder-17
<<locked>>
81%
41669
67%
**64
100%
[Alliant Reloder-19]*
<<locked>>
81%
32010
51%
**85
90%
[Alliant Reloder-22]*
<<locked>>
85%
31778
51%
**25
90%
Alliant Reloder-23
<<locked>>
81%
26876
43%
**93
96%
[Alliant Reloder-25]*
<<locked>>
85%
26484
42%
**70
90%
[Alliant Reloder-26]*
<<locked>>
81%
28689
46%
**92
93%
[Bofors RP15]*
<<locked>>
88%
32343
52%
**38
90%
Bofors RP3
<<locked>>
81%
47500
76%
**71
100%
[Bofors RP5]*
<<locked>>
85%
31778
51%
**25
90%
Bofors RP7
<<locked>>
81%
41872
67%
**46
96%
Hodgdon CFE223
<<locked>>
81%
49501
79%
**49
100%
Hodgdon H380
<<locked>>
81%
47979
77%
**84
99%
Hodgdon H414
<<locked>>
81%
43076
69%
**41
97%
[Hodgdon H4350]*
<<locked>>
81%
35549
57%
**28
93%
[Hodgdon H4831]*
<<locked>>
92%
37739
61%
**07
90%
[Hodgdon H4831 SC]*
<<locked>>
88%
37739
61%
**07
90%
Hodgdon Hybrid 100V
<<locked>>
81%
34113
55%
**31
99%
Hodgdon LVR
<<locked>>
81%
40437
65%
**79
98%
Hodgdon Superperformance
<<locked>>
81%
38725
62%
**79
95%
Hodgdon VARGET
<<locked>>
81%
46412
74%
**31
100%
Hodgdon TrailBoss
<<locked>>
81%
27615
44%
**55
100%
IMR 3031
<<locked>>
81%
51764
83%
**07
100%
IMR 4064
<<locked>>
81%
46050
74%
**18
100%
IMR 4166 Enduron
<<locked>>
81%
45382
73%
**89
97%
[IMR 4350]*
<<locked>>
81%
37347
60%
**74
94%
IMR 4451 Enduron
<<locked>>
81%
43497
70%
**75
97%
IMR 4831
<<locked>>
81%
32967
53%
**08
97%
IMR 4895
<<locked>>
81%
51822
83%
**59
100%
[IMR 4955 Enduron]*
<<locked>>
87%
36970
59%
**54
90%
[IMR 7828 SSC]*
<<locked>>
88%
37014
59%
**36
90%
Lovex S062
<<locked>>
81%
49298
79%
**71
100%
Lovex S065
<<locked>>
81%
40741
65%
**23
97%
Lovex S070
<<locked>>
81%
39030
63%
**07
96%
[Lovex S071]*
<<locked>>
83%
25135
40%
**92
90%
Norma 203B
<<locked>>
81%
49821
80%
**20
100%
[Norma 204]*
<<locked>>
81%
36811
59%
**93
92%
[Norma MRP]*
<<locked>>
81%
29399
47%
**79
90%
Norma URP
<<locked>>
81%
37405
60%
**20
98%
Ramshot Big Game
<<locked>>
81%
50198
80%
**40
100%
[Ramshot Grand]*
<<locked>>
87%
36390
58%
**39
90%
Ramshot Hunter
<<locked>>
81%
36376
58%
**07
96%
[Ramshot Magnum]*
<<locked>>
87%
31473
50%
**02
90%
ReloadSwiss RS 14
<<locked>>
81%
28021
45%
**91
100%
ReloadSwiss RS 50
<<locked>>
81%
48225
77%
**67
98%
ReloadSwiss RS 60
<<locked>>
81%
44280
71%
**20
100%
ReloadSwiss RS 62
<<locked>>
81%
37376
60%
**46
98%
ReloadSwiss RS 70
<<locked>>
81%
36434
58%
**49
97%
[ReloadSwiss RS 76]*
<<locked>>
92%
31546
51%
**48
90%
Rottweil R 902
<<locked>>
81%
51300
82%
**84
100%
Rottweil R 903
<<locked>>
81%
44802
72%
**25
100%
[Rottweil R 904]*
<<locked>>
82%
34606
55%
**11
90%
[Rottweil R 905]*
<<locked>>
81%
31270
50%
**75
90%
Rottweil R 907
<<locked>>
81%
41872
67%
**46
96%
SNPE Vectan SP 11
<<locked>>
81%
46021
74%
**74
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
46050
74%
**33
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
39958
64%
**77
96%
Shooters World Long Rifle
<<locked>>
81%
40741
65%
**23
97%
Shooters World Precision
<<locked>>
81%
49298
79%
**71
100%
Somchem S355
<<locked>>
81%
45034
72%
**18
100%
[Somchem S361]*
<<locked>>
84%
37434
60%
**48
90%
Somchem S365
<<locked>>
81%
33736
54%
**77
99%
[Somchem S385]*
<<locked>>
81%
31459
50%
**56
92%
Vihtavuori N133
<<locked>>
81%
51605
83%
**02
100%
Vihtavuori N135
<<locked>>
81%
44005
71%
**36
100%
Vihtavuori N140
<<locked>>
81%
51068
82%
**48
100%
Vihtavuori N150
<<locked>>
81%
38783
62%
**77
100%
Vihtavuori N160
<<locked>>
81%
40654
65%
**59
99%
[Vihtavuori N165]*
<<locked>>
85%
30139
48%
**13
90%
Vihtavuori N540
<<locked>>
81%
50734
81%
**77
100%
Vihtavuori N550
<<locked>>
81%
41002
66%
**92
98%
Vihtavuori N555
<<locked>>
81%
29486
47%
**69
96%
[Vihtavuori N560]*
<<locked>>
90%
37405
60%
**69
90%
[Vihtavuori N565]*
<<locked>>
94%
35940
58%
**39
90%
Winchester 6.5 StaBALL
<<locked>>
81%
38116
61%
**00
100%
Winchester 760
<<locked>>
81%
43076
69%
**41
97%
[Winchester StaBALL HD]*
<<locked>>
81%
23685
38%
**47
93%
[Winchester Supreme 780]*
<<locked>>
82%
32213
52%
**69
90%

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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