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Load data for .300 Rem. SA Ultra Mag + .308 | 200gr | MAKER 200 Grain .308 Expanding Subsonic Blackout Bullets

Recommended Powder(s):

.300 Rem. SA Ultra 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:
<<locked>>
Caliber:
.300 Rem. SA Ultra Mag load data
Case Length (l3):
2.003" | 50.9mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
74.0 Grains of Water | 4.80 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
64107 psi | 4420 bar
LID:
LID_B10916_C373
Last updated:
2026-01-20

Load data for 192 loads in caliber .300 Rem. SA Ultra Mag with .308 | 200gr | MAKER 200 Grain .308 Expanding Subsonic Blackout Bullets bullet and 96 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".

  • 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 2206H
<<locked>>
84%
57029
89%
**95
100%
ADI AR 2208
<<locked>>
89%
56985
89%
**89
100%
ADI AR 2209
<<locked>>
97%
49908
78%
**66
97%
[ADI AR 2213]*
<<locked>>
97%
45281
71%
**10
93%
Accurate 2700
<<locked>>
90%
56884
89%
**39
98%
Accurate 3100
<<locked>>
97%
43482
68%
**44
98%
Accurate 4064
<<locked>>
87%
56739
89%
**56
100%
Accurate 4350
<<locked>>
96%
57493
90%
**67
100%
Alliant Power Pro 2000-MR
<<locked>>
86%
56913
89%
**17
100%
Alliant Reloder- TS 15.5
<<locked>>
89%
57363
89%
**08
100%
Alliant Reloder-15
<<locked>>
87%
57493
90%
**28
100%
Alliant Reloder-16 👍
<<locked>>
97%
55724
87%
**80
100%
Alliant Reloder-17
<<locked>>
93%
57363
89%
**17
100%
Alliant Reloder-19
<<locked>>
97%
49081
77%
**59
97%
Alliant Reloder-22
<<locked>>
97%
43772
68%
**16
95%
Alliant Reloder-23
<<locked>>
97%
41220
64%
**70
100%
Alliant Reloder-25
<<locked>>
97%
36274
57%
**79
96%
Alliant Reloder-26
<<locked>>
97%
45832
71%
**21
99%
Baschieri & Pellagri 107
<<locked>>
84%
57043
89%
**25
100%
[Bofors RP15]*
<<locked>>
97%
40103
63%
**41
94%
Bofors RP3
<<locked>>
88%
57174
89%
**12
100%
Bofors RP5
<<locked>>
97%
43772
68%
**16
95%
Bofors RP7
<<locked>>
93%
57508
90%
**98
99%
Hodgdon CFE223
<<locked>>
87%
57406
90%
**64
100%
Hodgdon H380
<<locked>>
88%
57522
90%
**21
100%
Hodgdon H414 👍
<<locked>>
92%
57348
89%
**80
99%
Hodgdon H4350
<<locked>>
97%
54578
85%
**85
98%
[Hodgdon H4831]*
<<locked>>
96%
41539
65%
**95
92%
[Hodgdon H4831 SC]*
<<locked>>
97%
47224
74%
**00
94%
Hodgdon Hybrid 100V
<<locked>>
97%
52591
82%
**69
100%
Hodgdon LVR
<<locked>>
94%
57246
89%
**61
100%
Hodgdon Superperformance
<<locked>>
95%
57667
90%
**20
99%
Hodgdon VARGET
<<locked>>
90%
57493
90%
**95
100%
IMR 3031
<<locked>>
86%
57392
90%
**72
100%
IMR 4064
<<locked>>
90%
57276
89%
**79
100%
IMR 4166 Enduron
<<locked>>
91%
57014
89%
**66
99%
IMR 4350
<<locked>>
97%
56956
89%
**15
99%
IMR 4451 Enduron
<<locked>>
92%
57058
89%
**98
99%
IMR 4831
<<locked>>
97%
50140
78%
**49
100%
IMR 4895
<<locked>>
86%
57058
89%
**21
100%
[IMR 4955 Enduron]*
<<locked>>
97%
46485
73%
**57
94%
[IMR 7828 SSC]*
<<locked>>
97%
45629
71%
**26
94%
Lovex D073.6
<<locked>>
84%
57174
89%
**69
100%
Lovex S060
<<locked>>
84%
57072
89%
**39
100%
Lovex S062
<<locked>>
87%
56869
89%
**62
100%
Lovex S065
<<locked>>
94%
57377
90%
**02
100%
Lovex S070
<<locked>>
96%
57479
90%
**28
99%
Lovex S071
<<locked>>
97%
36927
58%
**26
96%
Norma 201
<<locked>>
84%
56985
89%
**59
100%
Norma 202
<<locked>>
84%
57319
89%
**56
100%
Norma 203B
<<locked>>
87%
56840
89%
**08
100%
Norma 204
<<locked>>
96%
56927
89%
**54
98%
Norma MRP
<<locked>>
97%
45353
71%
**72
97%
Norma URP
<<locked>>
96%
56637
88%
**54
100%
Ramshot Big Game
<<locked>>
87%
57130
89%
**38
100%
Ramshot Grand
<<locked>>
97%
47761
75%
**75
95%
Ramshot Hunter
<<locked>>
97%
56637
88%
**74
100%
Ramshot Magnum
<<locked>>
97%
42047
66%
**57
95%
ReloadSwiss RS 50
<<locked>>
88%
57188
89%
**02
99%
ReloadSwiss RS 52
<<locked>>
84%
56782
89%
**71
100%
ReloadSwiss RS 60
<<locked>>
91%
56913
89%
**07
100%
ReloadSwiss RS 62 👍
<<locked>>
96%
57348
89%
**90
100%
ReloadSwiss RS 70 👍
<<locked>>
97%
57348
89%
**33
100%
[ReloadSwiss RS 76]*
<<locked>>
97%
34882
54%
**65
92%
Rottweil R 902
<<locked>>
86%
57145
89%
**49
100%
Rottweil R 903
<<locked>>
91%
57522
90%
**05
100%
Rottweil R 904
<<locked>>
97%
51793
81%
**49
96%
Rottweil R 905
<<locked>>
97%
47747
74%
**43
97%
Rottweil R 907
<<locked>>
93%
57508
90%
**98
99%
SNPE Vectan SP 11
<<locked>>
90%
57188
89%
**48
100%
SNPE Vectan SP 9
<<locked>>
85%
56811
89%
**89
100%
SNPE Vectan Tubal 3000
<<locked>>
84%
56753
89%
**74
100%
SNPE Vectan Tubal 5000
<<locked>>
90%
57638
90%
**84
100%
SNPE Vectan Tubal 7000
<<locked>>
94%
56985
89%
**49
99%
Shooters World Long Rifle
<<locked>>
94%
57377
90%
**02
100%
Shooters World Match Rifle
<<locked>>
84%
57174
89%
**69
100%
Shooters World Precision
<<locked>>
87%
56869
89%
**62
100%
Somchem S335
<<locked>>
84%
57334
89%
**90
100%
Somchem S341
<<locked>>
84%
57319
89%
**89
100%
Somchem S355
<<locked>>
90%
56826
89%
**95
100%
Somchem S361
<<locked>>
97%
53026
83%
**36
95%
Somchem S365
<<locked>>
97%
52591
82%
**25
100%
Somchem S385
<<locked>>
97%
49298
77%
**39
98%
Vihtavuori N133
<<locked>>
86%
57551
90%
**67
100%
Vihtavuori N135
<<locked>>
92%
57145
89%
**16
100%
Vihtavuori N140
<<locked>>
87%
57203
89%
**30
100%
Vihtavuori N150
<<locked>>
96%
57537
90%
**62
100%
Vihtavuori N160
<<locked>>
94%
57130
89%
**25
100%
Vihtavuori N165
<<locked>>
97%
40944
64%
**82
95%
Vihtavuori N540
<<locked>>
87%
57464
90%
**62
100%
Vihtavuori N550
<<locked>>
93%
56391
88%
**57
100%
Vihtavuori N555
<<locked>>
97%
46050
72%
**46
100%
[Vihtavuori N560]*
<<locked>>
97%
43772
68%
**20
93%
Winchester 6.5 StaBALL
<<locked>>
95%
56985
89%
**05
100%
Winchester 760 👍
<<locked>>
92%
57348
89%
**80
99%
Winchester StaBALL HD
<<locked>>
97%
37043
58%
**00
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
52388
82%
**36
100%
ADI AR 2208
<<locked>>
81%
44701
70%
**05
100%
[ADI AR 2209]*
<<locked>>
83%
32503
51%
**15
90%
[ADI AR 2213]*
<<locked>>
91%
37826
59%
**52
90%
Accurate 2700
<<locked>>
81%
43033
67%
**33
96%
[Accurate 3100]*
<<locked>>
81%
26527
41%
**77
91%
Accurate 4064
<<locked>>
81%
47514
74%
**31
100%
Accurate 4350
<<locked>>
81%
35839
56%
**10
98%
Alliant Power Pro 2000-MR
<<locked>>
81%
48109
75%
**89
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
44889
70%
**25
100%
Alliant Reloder-15
<<locked>>
81%
48066
75%
**90
100%
Alliant Reloder-16
<<locked>>
81%
35056
55%
**13
98%
Alliant Reloder-17
<<locked>>
81%
38885
61%
**18
100%
[Alliant Reloder-19]*
<<locked>>
82%
31778
50%
**01
90%
[Alliant Reloder-22]*
<<locked>>
86%
31662
49%
**47
90%
Alliant Reloder-23
<<locked>>
81%
26020
41%
**00
95%
[Alliant Reloder-25]*
<<locked>>
85%
26295
41%
**00
90%
[Alliant Reloder-26]*
<<locked>>
81%
27354
43%
**85
93%
Baschieri & Pellagri 107
<<locked>>
81%
51779
81%
**46
100%
[Bofors RP15]*
<<locked>>
90%
32648
51%
**67
90%
Bofors RP3
<<locked>>
81%
45310
71%
**41
100%
[Bofors RP5]*
<<locked>>
86%
31662
49%
**47
90%
Bofors RP7
<<locked>>
81%
40132
63%
**16
95%
Hodgdon CFE223
<<locked>>
81%
46427
72%
**00
100%
Hodgdon H380
<<locked>>
81%
45411
71%
**41
99%
Hodgdon H414
<<locked>>
81%
40364
63%
**02
96%
[Hodgdon H4350]*
<<locked>>
81%
34026
53%
**11
93%
[Hodgdon H4831]*
<<locked>>
94%
38218
60%
**29
90%
[Hodgdon H4831 SC]*
<<locked>>
90%
38218
60%
**29
90%
Hodgdon Hybrid 100V
<<locked>>
81%
32721
51%
**21
98%
Hodgdon LVR
<<locked>>
81%
38348
60%
**52
98%
[Hodgdon Superperformance]*
<<locked>>
81%
36216
56%
**36
94%
Hodgdon VARGET
<<locked>>
81%
44251
69%
**95
99%
IMR 3031
<<locked>>
81%
49023
76%
**64
100%
IMR 4064
<<locked>>
81%
43801
68%
**79
100%
IMR 4166 Enduron
<<locked>>
81%
43221
67%
**46
97%
[IMR 4350]*
<<locked>>
81%
35766
56%
**51
94%
IMR 4451 Enduron
<<locked>>
81%
41321
64%
**43
96%
IMR 4831
<<locked>>
81%
31372
49%
**98
96%
IMR 4895
<<locked>>
81%
49356
77%
**13
100%
[IMR 4955 Enduron]*
<<locked>>
88%
36637
57%
**64
90%
[IMR 7828 SSC]*
<<locked>>
90%
37463
58%
**59
90%
Lovex D073.6
<<locked>>
81%
52620
82%
**10
100%
Lovex S060
<<locked>>
81%
51735
81%
**67
100%
Lovex S062
<<locked>>
81%
47427
74%
**38
100%
Lovex S065
<<locked>>
81%
39131
61%
**00
97%
Lovex S070
<<locked>>
81%
37217
58%
**83
95%
[Lovex S071]*
<<locked>>
83%
24584
38%
**21
90%
Norma 201
<<locked>>
81%
51561
80%
**84
100%
Norma 202
<<locked>>
81%
51851
81%
**84
100%
Norma 203B
<<locked>>
81%
47239
74%
**74
100%
[Norma 204]*
<<locked>>
81%
35143
55%
**70
92%
[Norma MRP]*
<<locked>>
82%
28848
45%
**92
90%
Norma URP
<<locked>>
81%
35375
55%
**00
97%
Ramshot Big Game
<<locked>>
81%
46847
73%
**90
100%
[Ramshot Grand]*
<<locked>>
89%
37014
58%
**59
90%
Ramshot Hunter
<<locked>>
81%
34577
54%
**87
95%
[Ramshot Magnum]*
<<locked>>
89%
31734
49%
**28
90%
ReloadSwiss RS 50
<<locked>>
81%
45643
71%
**25
98%
ReloadSwiss RS 52
<<locked>>
81%
51416
80%
**92
100%
ReloadSwiss RS 60
<<locked>>
81%
41321
64%
**74
100%
ReloadSwiss RS 62
<<locked>>
81%
34940
55%
**23
97%
ReloadSwiss RS 70
<<locked>>
81%
34548
54%
**20
96%
[ReloadSwiss RS 76]*
<<locked>>
94%
32358
50%
**93
91%
Rottweil R 902
<<locked>>
81%
49168
77%
**41
100%
Rottweil R 903
<<locked>>
81%
42322
66%
**85
100%
[Rottweil R 904]*
<<locked>>
84%
35273
55%
**41
90%
[Rottweil R 905]*
<<locked>>
83%
31531
49%
**11
90%
Rottweil R 907
<<locked>>
81%
40132
63%
**16
95%
SNPE Vectan SP 11
<<locked>>
81%
43395
68%
**34
100%
SNPE Vectan SP 9
<<locked>>
81%
50894
79%
**10
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
52214
81%
**18
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
44063
69%
**06
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
38305
60%
**47
95%
Shooters World Long Rifle
<<locked>>
81%
39131
61%
**00
97%
Shooters World Match Rifle
<<locked>>
81%
52620
82%
**10
100%
Shooters World Precision
<<locked>>
81%
47427
74%
**38
100%
Somchem S335
<<locked>>
81%
52156
81%
**25
100%
Somchem S341
<<locked>>
81%
52852
82%
**26
100%
Somchem S355
<<locked>>
81%
43105
67%
**92
100%
[Somchem S361]*
<<locked>>
85%
37333
58%
**64
90%
Somchem S365
<<locked>>
81%
31981
50%
**60
99%
[Somchem S385]*
<<locked>>
81%
30124
47%
**56
91%
Vihtavuori N133
<<locked>>
81%
49356
77%
**69
100%
Vihtavuori N135
<<locked>>
81%
42119
66%
**10
100%
Vihtavuori N140
<<locked>>
81%
48631
76%
**18
100%
Vihtavuori N150
<<locked>>
81%
37188
58%
**57
100%
Vihtavuori N160
<<locked>>
81%
38334
60%
**26
98%
[Vihtavuori N165]*
<<locked>>
87%
30618
48%
**56
90%
Vihtavuori N540
<<locked>>
81%
48225
75%
**41
100%
Vihtavuori N550
<<locked>>
81%
38783
60%
**62
98%
Vihtavuori N555
<<locked>>
81%
28239
44%
**72
95%
[Vihtavuori N560]*
<<locked>>
91%
37202
58%
**82
90%
Winchester 6.5 StaBALL
<<locked>>
81%
36303
57%
**77
99%
Winchester 760
<<locked>>
81%
40364
63%
**02
96%
[Winchester StaBALL HD]*
<<locked>>
81%
23308
36%
**64
93%

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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