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Load data for .300 H & H Mag. + .308 | 200gr | MAKER 200 Grain .308 Expanding Subsonic Blackout Bullets

Recommended Powder(s): Alliant Reloder-26, Norma 204, Ramshot Hunter, Vihtavuori N555, Winchester StaBALL HD

.300 H & H Mag. + .308 | 200gr | MAKER 200 Grain .308 Expanding Subsonic Blackout Bullets

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 200gr | MAKER 200 Grain .308 Expanding Subsonic Blackout Bullets
Manufacturer SKU:
300BLK-200G-EXP
Bullet Weight:
200gr | 13.0g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.410" | 35.8mm
Caliber:
.300 H & H Mag. load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
3.546" | 90.1mm
Seated Depth:
0.714" | 18.1mm
Shank Seated Depth:
0.714" | 18.1mm
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_B10916_C357
Last updated:
2025-02-02

Load data for 142 loads in caliber .300 H & H Mag. with .308 | 200gr | MAKER 200 Grain .308 Expanding Subsonic Blackout Bullets bullet and 71 powders such as Alliant Reloder-26, Norma 204, Ramshot Hunter, Vihtavuori N555, Winchester StaBALL HD. 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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  • .

    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>>
84%
55927
90%
**21
100%
ADI AR 2209
<<locked>>
95%
55883
90%
**23
99%
ADI AR 2213
<<locked>>
97%
52098
84%
**90
97%
[ADI AR 2217]*
<<locked>>
97%
38914
62%
**25
93%
ADI AR 2225
<<locked>>
97%
34693
56%
**92
95%
Accurate 2700
<<locked>>
85%
56072
90%
**98
99%
Accurate 3100
<<locked>>
97%
52576
84%
**28
100%
Accurate 4350
<<locked>>
89%
55608
89%
**80
100%
Accurate MAGPRO
<<locked>>
97%
50850
82%
**94
95%
Alliant Reloder- TS 15.5
<<locked>>
84%
55912
90%
**31
100%
Alliant Reloder-16
<<locked>>
92%
55869
90%
**33
100%
Alliant Reloder-17
<<locked>>
87%
55782
89%
**36
100%
Alliant Reloder-19
<<locked>>
96%
55956
90%
**20
99%
Alliant Reloder-22
<<locked>>
97%
51314
82%
**97
98%
Alliant Reloder-23
<<locked>>
97%
48805
78%
**35
100%
Alliant Reloder-25
<<locked>>
97%
43076
69%
**82
99%
Alliant Reloder-26 👍
<<locked>>
96%
55114
88%
**05
100%
[Hodgdon H1000]*
<<locked>>
97%
38914
62%
**25
93%
Hodgdon H380
<<locked>>
83%
55941
90%
**48
100%
Hodgdon H414
<<locked>>
86%
55448
89%
**00
100%
Hodgdon H4350
<<locked>>
93%
55622
89%
**51
99%
Hodgdon H4831
<<locked>>
97%
48646
78%
**85
95%
Hodgdon H4831 SC
<<locked>>
97%
54882
88%
**77
97%
Hodgdon Hybrid 100V
<<locked>>
93%
56130
90%
**57
100%
Hodgdon LVR
<<locked>>
88%
55245
89%
**77
100%
Hodgdon Retumbo
<<locked>>
97%
34693
56%
**92
95%
Hodgdon Superperformance
<<locked>>
89%
55550
89%
**40
99%
Hodgdon VARGET
<<locked>>
85%
55927
90%
**21
100%
IMR 4064
<<locked>>
85%
55811
89%
**12
100%
IMR 4166 Enduron
<<locked>>
86%
55999
90%
**15
100%
IMR 4350
<<locked>>
91%
55956
90%
**57
99%
IMR 4451 Enduron
<<locked>>
87%
55477
89%
**31
99%
IMR 4831
<<locked>>
95%
56072
90%
**77
100%
IMR 4955 Enduron
<<locked>>
97%
53577
86%
**28
97%
IMR 7828 SSC
<<locked>>
97%
53664
86%
**33
97%
Lovex S065
<<locked>>
89%
55680
89%
**28
100%
Lovex S070
<<locked>>
89%
55100
88%
**44
100%
Lovex S071
<<locked>>
97%
44425
71%
**00
99%
Norma 204 👍
<<locked>>
91%
55738
89%
**97
99%
Norma MRP
<<locked>>
97%
55027
88%
**85
100%
Norma URP
<<locked>>
90%
55564
89%
**87
100%
Ramshot Hunter 👍
<<locked>>
91%
55811
89%
**13
100%
Ramshot Magnum
<<locked>>
97%
50111
80%
**57
99%
ReloadSwiss RS 50
<<locked>>
83%
55912
90%
**38
100%
ReloadSwiss RS 60
<<locked>>
88%
55361
89%
**53
100%
ReloadSwiss RS 62
<<locked>>
89%
55405
89%
**10
100%
ReloadSwiss RS 70
<<locked>>
91%
55347
89%
**59
100%
ReloadSwiss RS 76
<<locked>>
97%
41597
67%
**89
97%
Rottweil R 903
<<locked>>
85%
55463
89%
**28
100%
Rottweil R 904
<<locked>>
95%
56101
90%
**67
98%
Rottweil R 905
<<locked>>
96%
55550
89%
**10
99%
Rottweil R 907
<<locked>>
88%
55637
89%
**31
99%
SNPE Vectan SP 11
<<locked>>
85%
56101
90%
**74
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
56057
90%
**10
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
55303
89%
**82
99%
Shooters World Long Rifle
<<locked>>
89%
55680
89%
**28
100%
Somchem S355
<<locked>>
85%
55941
90%
**31
100%
Somchem S361
<<locked>>
94%
56115
90%
**48
97%
Somchem S365
<<locked>>
93%
55579
89%
**00
100%
Somchem S385
<<locked>>
96%
55941
90%
**87
99%
Vihtavuori N135
<<locked>>
86%
55709
89%
**39
100%
Vihtavuori N150
<<locked>>
90%
55970
90%
**95
100%
Vihtavuori N160
<<locked>>
88%
55550
89%
**48
100%
Vihtavuori N165
<<locked>>
97%
48820
78%
**62
98%
Vihtavuori N550
<<locked>>
88%
55695
89%
**94
100%
Vihtavuori N555 👍
<<locked>>
97%
54969
88%
**10
100%
Vihtavuori N560
<<locked>>
97%
51837
83%
**17
97%
Vihtavuori N565
<<locked>>
97%
44353
71%
**79
95%
Winchester 6.5 StaBALL
<<locked>>
90%
55129
88%
**25
100%
Winchester 760
<<locked>>
86%
55448
89%
**00
100%
Winchester StaBALL HD 👍
<<locked>>
97%
43627
70%
**97
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
50807
81%
**46
100%
[ADI AR 2209]*
<<locked>>
81%
35650
57%
**43
93%
[ADI AR 2213]*
<<locked>>
83%
34287
55%
**26
90%
[ADI AR 2217]*
<<locked>>
93%
34418
55%
**23
90%
[ADI AR 2225]*
<<locked>>
90%
28398
46%
**05
90%
Accurate 2700
<<locked>>
81%
48907
78%
**87
98%
Accurate 3100
<<locked>>
81%
31705
51%
**38
95%
Accurate 4350
<<locked>>
81%
42395
68%
**77
100%
[Accurate MAGPRO]*
<<locked>>
88%
37492
60%
**38
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
51285
82%
**66
100%
Alliant Reloder-16
<<locked>>
81%
40538
65%
**74
100%
Alliant Reloder-17
<<locked>>
81%
45963
74%
**92
100%
[Alliant Reloder-19]*
<<locked>>
81%
35534
57%
**46
94%
[Alliant Reloder-22]*
<<locked>>
81%
31560
51%
**83
92%
Alliant Reloder-23
<<locked>>
81%
30414
49%
**67
98%
[Alliant Reloder-25]*
<<locked>>
81%
26803
43%
**65
92%
Alliant Reloder-26
<<locked>>
81%
32387
52%
**69
97%
[Hodgdon H1000]*
<<locked>>
93%
34418
55%
**23
90%
Hodgdon H380
<<locked>>
81%
52257
84%
**95
100%
Hodgdon H414
<<locked>>
81%
47253
76%
**72
99%
Hodgdon H4350
<<locked>>
81%
39102
63%
**65
96%
[Hodgdon H4831]*
<<locked>>
85%
34374
55%
**93
90%
[Hodgdon H4831 SC]*
<<locked>>
82%
34374
55%
**93
90%
Hodgdon Hybrid 100V
<<locked>>
81%
38000
61%
**69
100%
Hodgdon LVR
<<locked>>
81%
44556
71%
**10
99%
[Hodgdon Retumbo]*
<<locked>>
90%
28398
46%
**05
90%
Hodgdon Superperformance
<<locked>>
81%
42641
68%
**26
97%
Hodgdon VARGET
<<locked>>
81%
49835
80%
**33
100%
IMR 4064
<<locked>>
81%
49617
80%
**20
100%
IMR 4166 Enduron
<<locked>>
81%
48544
78%
**97
99%
IMR 4350
<<locked>>
81%
41176
66%
**11
97%
IMR 4451 Enduron
<<locked>>
81%
47079
75%
**00
98%
IMR 4831
<<locked>>
81%
36796
59%
**52
99%
[IMR 4955 Enduron]*
<<locked>>
81%
33808
54%
**44
90%
[IMR 7828 SSC]*
<<locked>>
82%
33736
54%
**26
90%
Lovex S065
<<locked>>
81%
44657
72%
**57
99%
Lovex S070
<<locked>>
81%
42917
69%
**41
98%
[Lovex S071]*
<<locked>>
81%
27601
44%
**33
93%
Norma 204
<<locked>>
81%
40611
65%
**38
95%
[Norma MRP]*
<<locked>>
81%
32706
52%
**46
94%
Norma URP
<<locked>>
81%
41553
67%
**61
99%
Ramshot Hunter
<<locked>>
81%
40118
64%
**48
98%
[Ramshot Magnum]*
<<locked>>
81%
29138
47%
**11
91%
ReloadSwiss RS 50
<<locked>>
81%
52040
83%
**82
100%
ReloadSwiss RS 60
<<locked>>
81%
44411
71%
**82
100%
ReloadSwiss RS 62
<<locked>>
81%
41800
67%
**87
99%
ReloadSwiss RS 70
<<locked>>
81%
40248
65%
**00
99%
[ReloadSwiss RS 76]*
<<locked>>
85%
28689
46%
**47
90%
Rottweil R 903
<<locked>>
81%
49356
79%
**43
100%
[Rottweil R 904]*
<<locked>>
81%
36970
59%
**26
93%
[Rottweil R 905]*
<<locked>>
81%
34534
55%
**23
93%
Rottweil R 907
<<locked>>
81%
45571
73%
**70
98%
SNPE Vectan SP 11
<<locked>>
81%
49850
80%
**85
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
49980
80%
**31
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
43932
70%
**05
98%
Shooters World Long Rifle
<<locked>>
81%
44657
72%
**57
99%
Somchem S355
<<locked>>
81%
49371
79%
**33
100%
[Somchem S361]*
<<locked>>
81%
37739
61%
**20
92%
Somchem S365
<<locked>>
81%
38043
61%
**21
100%
Somchem S385
<<locked>>
81%
35476
57%
**20
95%
Vihtavuori N135
<<locked>>
81%
48196
77%
**41
100%
Vihtavuori N150
<<locked>>
81%
42511
68%
**88
100%
Vihtavuori N160
<<locked>>
81%
44614
72%
**84
100%
[Vihtavuori N165]*
<<locked>>
81%
29762
48%
**75
91%
Vihtavuori N550
<<locked>>
81%
45092
72%
**26
100%
Vihtavuori N555
<<locked>>
81%
33823
54%
**39
98%
[Vihtavuori N560]*
<<locked>>
84%
34345
55%
**59
90%
[Vihtavuori N565]*
<<locked>>
88%
33185
53%
**39
90%
Winchester 6.5 StaBALL
<<locked>>
81%
41640
67%
**21
100%
Winchester 760
<<locked>>
81%
47253
76%
**72
99%
Winchester StaBALL HD
<<locked>>
81%
27108
43%
**64
98%

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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