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

Recommended Powder(s):

.300 RCM + .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 RCM load data
Case Length (l3):
2.090" | 53.1mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
75.0 Grains of Water | 4.87 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B10916_C371
Last updated:
2026-01-21

Load data for 194 loads in caliber .300 RCM with .308 | 200gr | MAKER 200 Grain .308 Expanding Subsonic Blackout Bullets bullet and 97 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%
57421
90%
**02
100%
ADI AR 2208
<<locked>>
89%
56565
89%
**79
100%
ADI AR 2209
<<locked>>
97%
49617
78%
**62
96%
[ADI AR 2213]*
<<locked>>
96%
44324
69%
**87
93%
Accurate 2700
<<locked>>
90%
57392
90%
**46
98%
Accurate 3100
<<locked>>
97%
43163
68%
**38
98%
Accurate 4064
<<locked>>
88%
57334
90%
**66
100%
Accurate 4350
<<locked>>
96%
57072
89%
**57
100%
Alliant Power Pro 2000-MR
<<locked>>
86%
57334
90%
**23
100%
Alliant Reloder- TS 15.5
<<locked>>
89%
57116
90%
**98
100%
Alliant Reloder-15
<<locked>>
87%
57261
90%
**18
100%
Alliant Reloder-16 👍
<<locked>>
97%
55347
87%
**71
100%
Alliant Reloder-17
<<locked>>
92%
56449
88%
**03
100%
Alliant Reloder-19
<<locked>>
97%
48573
76%
**46
96%
Alliant Reloder-22
<<locked>>
96%
42786
67%
**93
95%
Alliant Reloder-23
<<locked>>
97%
40915
64%
**67
100%
Alliant Reloder-25
<<locked>>
97%
36042
56%
**75
96%
Alliant Reloder-26
<<locked>>
97%
44817
70%
**02
99%
Baschieri & Pellagri 107
<<locked>>
84%
56666
89%
**15
100%
[Bofors RP15]*
<<locked>>
97%
40277
63%
**41
94%
Bofors RP3
<<locked>>
88%
56724
89%
**02
100%
Bofors RP5
<<locked>>
96%
42786
67%
**93
95%
Bofors RP7
<<locked>>
93%
57116
89%
**89
99%
Hodgdon CFE223
<<locked>>
87%
57029
89%
**54
100%
Hodgdon H380
<<locked>>
88%
57087
89%
**12
100%
Hodgdon H414 👍
<<locked>>
92%
56985
89%
**74
99%
Hodgdon H4350
<<locked>>
97%
54244
85%
**75
98%
[Hodgdon H4831]*
<<locked>>
97%
41524
65%
**88
91%
[Hodgdon H4831 SC]*
<<locked>>
96%
46224
72%
**74
93%
Hodgdon Hybrid 100V
<<locked>>
97%
52199
82%
**59
100%
Hodgdon LVR
<<locked>>
94%
56855
89%
**51
100%
Hodgdon Superperformance
<<locked>>
95%
57421
90%
**13
99%
Hodgdon VARGET
<<locked>>
90%
57058
89%
**85
100%
IMR 3031
<<locked>>
86%
56782
89%
**62
100%
IMR 4064
<<locked>>
90%
56811
89%
**69
100%
IMR 4166 Enduron
<<locked>>
91%
56608
89%
**62
99%
IMR 4350
<<locked>>
97%
56623
89%
**05
99%
IMR 4451 Enduron
<<locked>>
92%
56681
89%
**89
99%
IMR 4831
<<locked>>
97%
49966
78%
**43
100%
IMR 4895
<<locked>>
86%
56579
89%
**18
100%
[IMR 4955 Enduron]*
<<locked>>
97%
46195
72%
**48
94%
[IMR 7828 SSC]*
<<locked>>
97%
45397
71%
**16
93%
Lovex D073.6
<<locked>>
84%
56681
89%
**66
100%
Lovex S060
<<locked>>
85%
57435
90%
**43
100%
Lovex S062
<<locked>>
88%
57305
90%
**69
100%
Lovex S065
<<locked>>
94%
57000
89%
**92
100%
Lovex S070
<<locked>>
95%
56811
89%
**15
99%
Lovex S071
<<locked>>
97%
36260
57%
**06
96%
Norma 201
<<locked>>
84%
56478
89%
**49
100%
Norma 202
<<locked>>
84%
56797
89%
**46
100%
Norma 203B
<<locked>>
88%
57261
90%
**15
100%
Norma 204
<<locked>>
96%
56608
89%
**44
98%
Norma MRP
<<locked>>
97%
44889
70%
**69
97%
Norma URP
<<locked>>
96%
56797
89%
**57
100%
Ramshot Big Game
<<locked>>
87%
56724
89%
**28
100%
Ramshot Grand
<<locked>>
97%
47572
75%
**69
95%
Ramshot Hunter
<<locked>>
97%
56304
88%
**67
100%
Ramshot Magnum
<<locked>>
97%
41147
64%
**38
95%
Ramshot Wild Boar
<<locked>>
83%
57363
90%
**08
100%
ReloadSwiss RS 50
<<locked>>
88%
56811
89%
**92
99%
ReloadSwiss RS 52
<<locked>>
85%
57377
90%
**71
100%
ReloadSwiss RS 60
<<locked>>
91%
56826
89%
**07
100%
ReloadSwiss RS 62 👍
<<locked>>
96%
57014
89%
**84
100%
ReloadSwiss RS 70 👍
<<locked>>
97%
57072
89%
**26
100%
[ReloadSwiss RS 76]*
<<locked>>
97%
34751
54%
**59
92%
Rottweil R 902
<<locked>>
86%
56637
89%
**46
100%
Rottweil R 903
<<locked>>
91%
57406
90%
**05
100%
Rottweil R 904
<<locked>>
96%
50749
80%
**30
95%
Rottweil R 905
<<locked>>
97%
47921
75%
**43
96%
Rottweil R 907
<<locked>>
93%
57116
89%
**89
99%
SNPE Vectan SP 11
<<locked>>
90%
56782
89%
**38
100%
SNPE Vectan SP 9
<<locked>>
85%
56391
88%
**85
100%
SNPE Vectan Tubal 3000
<<locked>>
84%
56797
89%
**77
100%
SNPE Vectan Tubal 5000
<<locked>>
90%
56594
89%
**70
100%
SNPE Vectan Tubal 7000
<<locked>>
94%
57116
90%
**52
99%
Shooters World Long Rifle
<<locked>>
94%
57000
89%
**92
100%
Shooters World Match Rifle
<<locked>>
84%
56681
89%
**66
100%
Shooters World Precision
<<locked>>
88%
57305
90%
**69
100%
Somchem S335
<<locked>>
84%
56855
89%
**80
100%
Somchem S341
<<locked>>
84%
57130
90%
**79
100%
Somchem S355
<<locked>>
90%
56594
89%
**85
100%
Somchem S361
<<locked>>
97%
52794
83%
**30
95%
Somchem S365
<<locked>>
97%
52185
82%
**18
100%
Somchem S385
<<locked>>
96%
48182
75%
**20
97%
Vihtavuori N133
<<locked>>
86%
57348
90%
**64
100%
Vihtavuori N135
<<locked>>
92%
57043
89%
**10
100%
Vihtavuori N140
<<locked>>
86%
56724
89%
**20
100%
Vihtavuori N150
<<locked>>
96%
57116
89%
**59
100%
Vihtavuori N160
<<locked>>
94%
56753
89%
**15
100%
Vihtavuori N165
<<locked>>
97%
40930
64%
**79
95%
Vihtavuori N540
<<locked>>
87%
57029
89%
**59
100%
Vihtavuori N550
<<locked>>
94%
57363
90%
**64
100%
Vihtavuori N555
<<locked>>
97%
45672
72%
**36
100%
[Vihtavuori N560]*
<<locked>>
97%
43526
68%
**10
93%
Winchester 6.5 StaBALL
<<locked>>
95%
56507
89%
**95
100%
Winchester 760 👍
<<locked>>
92%
56985
89%
**74
99%
Winchester StaBALL HD
<<locked>>
97%
36840
58%
**90
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
51895
81%
**23
100%
ADI AR 2208
<<locked>>
81%
44251
69%
**92
99%
[ADI AR 2209]*
<<locked>>
83%
32648
51%
**18
90%
[ADI AR 2213]*
<<locked>>
91%
37565
59%
**46
90%
Accurate 2700
<<locked>>
81%
42830
67%
**23
96%
[Accurate 3100]*
<<locked>>
81%
26150
41%
**64
91%
Accurate 4064
<<locked>>
81%
46949
74%
**25
100%
Accurate 4350
<<locked>>
81%
35375
55%
**00
97%
Alliant Power Pro 2000-MR
<<locked>>
81%
47674
75%
**75
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
44440
70%
**18
100%
Alliant Reloder-15
<<locked>>
81%
47587
75%
**77
100%
Alliant Reloder-16
<<locked>>
81%
34664
54%
**97
97%
Alliant Reloder-17
<<locked>>
81%
38928
61%
**21
100%
[Alliant Reloder-19]*
<<locked>>
83%
32053
50%
**11
90%
[Alliant Reloder-22]*
<<locked>>
87%
31981
50%
**51
90%
Alliant Reloder-23
<<locked>>
81%
25831
40%
**93
95%
[Alliant Reloder-25]*
<<locked>>
86%
26585
42%
**03
90%
[Alliant Reloder-26]*
<<locked>>
81%
27093
42%
**75
92%
Baschieri & Pellagri 107
<<locked>>
81%
51358
80%
**36
100%
[Bofors RP15]*
<<locked>>
90%
32605
51%
**64
90%
Bofors RP3
<<locked>>
81%
44817
70%
**28
100%
[Bofors RP5]*
<<locked>>
87%
31981
50%
**51
90%
Bofors RP7
<<locked>>
81%
39871
62%
**06
95%
Hodgdon CFE223
<<locked>>
81%
46021
72%
**97
99%
Hodgdon H380
<<locked>>
81%
45136
71%
**31
99%
Hodgdon H414
<<locked>>
81%
40132
63%
**98
96%
[Hodgdon H4350]*
<<locked>>
81%
33663
53%
**05
93%
[Hodgdon H4831]*
<<locked>>
94%
38174
60%
**23
90%
[Hodgdon H4831 SC]*
<<locked>>
91%
38595
60%
**33
90%
Hodgdon Hybrid 100V
<<locked>>
81%
32314
51%
**11
98%
Hodgdon LVR
<<locked>>
81%
37913
59%
**36
97%
[Hodgdon Superperformance]*
<<locked>>
81%
35926
56%
**33
94%
Hodgdon VARGET
<<locked>>
81%
43801
69%
**82
99%
IMR 3031
<<locked>>
81%
48428
76%
**57
100%
IMR 4064
<<locked>>
81%
43497
68%
**72
100%
IMR 4166 Enduron
<<locked>>
81%
43105
68%
**43
97%
[IMR 4350]*
<<locked>>
81%
35389
55%
**41
94%
IMR 4451 Enduron
<<locked>>
81%
40930
64%
**29
96%
IMR 4831
<<locked>>
81%
30937
48%
**82
96%
IMR 4895
<<locked>>
81%
48863
77%
**03
100%
[IMR 4955 Enduron]*
<<locked>>
89%
36941
58%
**64
90%
[IMR 7828 SSC]*
<<locked>>
91%
37855
59%
**62
90%
Lovex D073.6
<<locked>>
81%
52112
82%
**07
100%
Lovex S060
<<locked>>
81%
51256
80%
**54
100%
Lovex S062
<<locked>>
81%
46920
74%
**25
100%
Lovex S065
<<locked>>
81%
38711
61%
**93
97%
Lovex S070
<<locked>>
81%
37260
58%
**80
95%
[Lovex S071]*
<<locked>>
84%
24990
39%
**31
90%
Norma 201
<<locked>>
81%
51039
80%
**74
100%
Norma 202
<<locked>>
81%
51517
81%
**74
100%
Norma 203B
<<locked>>
81%
47123
74%
**67
100%
[Norma 204]*
<<locked>>
81%
34809
55%
**57
91%
[Norma MRP]*
<<locked>>
83%
29022
45%
**95
90%
Norma URP
<<locked>>
81%
35389
55%
**97
97%
Ramshot Big Game
<<locked>>
81%
46427
73%
**80
100%
[Ramshot Grand]*
<<locked>>
90%
37463
59%
**65
90%
Ramshot Hunter
<<locked>>
81%
34229
54%
**80
95%
[Ramshot Magnum]*
<<locked>>
89%
31850
50%
**28
90%
Ramshot Wild Boar
<<locked>>
81%
53693
84%
**56
100%
ReloadSwiss RS 50
<<locked>>
81%
45237
71%
**18
98%
ReloadSwiss RS 52
<<locked>>
81%
50966
80%
**82
100%
ReloadSwiss RS 60
<<locked>>
81%
41365
65%
**67
100%
ReloadSwiss RS 62
<<locked>>
81%
34563
54%
**06
97%
ReloadSwiss RS 70
<<locked>>
81%
34229
54%
**06
96%
[ReloadSwiss RS 76]*
<<locked>>
94%
32039
50%
**77
90%
Rottweil R 902
<<locked>>
81%
48834
77%
**38
100%
Rottweil R 903
<<locked>>
81%
42366
66%
**82
100%
[Rottweil R 904]*
<<locked>>
84%
35331
55%
**38
90%
[Rottweil R 905]*
<<locked>>
83%
31589
49%
**08
90%
Rottweil R 907
<<locked>>
81%
39871
62%
**06
95%
SNPE Vectan SP 11
<<locked>>
81%
42975
67%
**28
100%
SNPE Vectan SP 9
<<locked>>
81%
50647
79%
**03
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
52286
82%
**15
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
44005
69%
**00
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
38247
60%
**47
95%
Shooters World Long Rifle
<<locked>>
81%
38711
61%
**93
97%
Shooters World Match Rifle
<<locked>>
81%
52112
82%
**07
100%
Shooters World Precision
<<locked>>
81%
46920
74%
**25
100%
Somchem S335
<<locked>>
81%
51648
81%
**11
100%
Somchem S341
<<locked>>
81%
52431
82%
**16
100%
Somchem S355
<<locked>>
81%
42627
67%
**79
100%
[Somchem S361]*
<<locked>>
86%
37681
59%
**67
90%
Somchem S365
<<locked>>
81%
31589
50%
**54
99%
[Somchem S385]*
<<locked>>
81%
29762
47%
**49
91%
Vihtavuori N133
<<locked>>
81%
49501
78%
**62
100%
Vihtavuori N135
<<locked>>
81%
41901
66%
**06
100%
Vihtavuori N140
<<locked>>
81%
48138
75%
**08
100%
Vihtavuori N150
<<locked>>
81%
36724
58%
**51
100%
Vihtavuori N160
<<locked>>
81%
37913
59%
**13
98%
[Vihtavuori N165]*
<<locked>>
87%
30560
48%
**49
90%
Vihtavuori N540
<<locked>>
81%
47761
75%
**28
100%
Vihtavuori N550
<<locked>>
81%
38363
60%
**56
98%
Vihtavuori N555
<<locked>>
81%
27847
44%
**62
95%
[Vihtavuori N560]*
<<locked>>
92%
37565
59%
**85
90%
Winchester 6.5 StaBALL
<<locked>>
81%
35998
56%
**67
99%
Winchester 760
<<locked>>
81%
40132
63%
**98
96%
[Winchester StaBALL HD]*
<<locked>>
81%
23061
36%
**54
92%

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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