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

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Recommended Powder(s): Alliant Reloder-16, Hodgdon H414, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70

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

Load Specifications

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 RCM load data
Case Length (l3):
2.090" | 53.1mm
Cartridge Length (C.O.L.):
2.797" | 71.1mm
Seated Depth:
0.703" | 17.8mm
Shank Seated Depth:
0.703" | 17.8mm
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:
2025-02-02

>> Use the Personalized Load Calculator further below to adjust input parameters. 

Load data for 178 loads in caliber .300 RCM with .308 | 200gr | MAKER 200 Grain .308 Expanding Subsonic Blackout Bullets bullet and 89 powders such as Alliant Reloder-16, Hodgdon H414, 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".

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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 2206H
<<locked>>
84%
57174
90%
**95
100%
ADI AR 2208
<<locked>>
89%
56347
88%
**75
100%
ADI AR 2209
<<locked>>
97%
49951
78%
**66
96%
[ADI AR 2213]*
<<locked>>
96%
44193
69%
**84
93%
Accurate 2700
<<locked>>
90%
57217
90%
**43
98%
Accurate 3100
<<locked>>
97%
42989
67%
**31
98%
Accurate 4064
<<locked>>
87%
56623
89%
**52
100%
Accurate 4350
<<locked>>
96%
56855
89%
**54
100%
Alliant Reloder- TS 15.5
<<locked>>
89%
56869
89%
**95
100%
Alliant Reloder-15
<<locked>>
87%
57029
89%
**12
100%
Alliant Reloder-16 👍
<<locked>>
97%
55158
86%
**74
100%
Alliant Reloder-17
<<locked>>
93%
57348
90%
**10
100%
Alliant Reloder-19
<<locked>>
97%
48428
76%
**49
96%
Alliant Reloder-22
<<locked>>
96%
42656
67%
**90
95%
Alliant Reloder-23
<<locked>>
97%
40509
63%
**57
100%
Alliant Reloder-25
<<locked>>
97%
36143
57%
**75
96%
Alliant Reloder-26
<<locked>>
97%
45194
71%
**08
99%
Baschieri & Pellagri 107
<<locked>>
84%
56463
88%
**08
100%
Hodgdon CFE223
<<locked>>
87%
56840
89%
**51
100%
Hodgdon H380
<<locked>>
89%
57217
90%
**15
100%
Hodgdon H414 👍
<<locked>>
92%
56797
89%
**67
99%
Hodgdon H4350
<<locked>>
97%
53592
84%
**66
98%
[Hodgdon H4831 SC]*
<<locked>>
96%
46093
72%
**77
93%
Hodgdon Hybrid 100V
<<locked>>
97%
51996
81%
**56
100%
Hodgdon LVR
<<locked>>
94%
56652
89%
**44
100%
Hodgdon Superperformance
<<locked>>
94%
56521
89%
**00
99%
Hodgdon VARGET
<<locked>>
90%
56840
89%
**79
100%
IMR 3031
<<locked>>
86%
56855
89%
**66
100%
IMR 4064
<<locked>>
90%
57116
89%
**75
100%
IMR 4166 Enduron
<<locked>>
91%
57116
90%
**66
99%
IMR 4350
<<locked>>
97%
57188
90%
**15
99%
IMR 4451 Enduron
<<locked>>
92%
57000
89%
**95
99%
IMR 4831
<<locked>>
96%
49472
78%
**33
100%
IMR 4895
<<locked>>
86%
57421
90%
**25
100%
[IMR 4955 Enduron]*
<<locked>>
97%
46035
72%
**41
93%
[IMR 7828 SSC]*
<<locked>>
97%
45266
71%
**20
93%
Lovex D073.6
<<locked>>
84%
57421
90%
**69
100%
Lovex S060
<<locked>>
85%
57392
90%
**39
100%
Lovex S062
<<locked>>
88%
57058
89%
**62
100%
Lovex S065
<<locked>>
94%
57377
90%
**92
100%
Lovex S070
<<locked>>
95%
56623
89%
**08
99%
Lovex S071
<<locked>>
97%
36085
57%
**00
96%
Norma 201
<<locked>>
84%
56608
89%
**46
100%
Norma 202
<<locked>>
84%
56550
89%
**39
100%
Norma 203B
<<locked>>
87%
57014
89%
**08
100%
Norma 204
<<locked>>
97%
57305
90%
**57
98%
Norma MRP
<<locked>>
97%
44773
70%
**62
97%
Norma URP
<<locked>>
96%
56594
89%
**54
100%
Ramshot Big Game
<<locked>>
87%
57043
89%
**28
100%
Ramshot Hunter 👍
<<locked>>
97%
55912
88%
**67
100%
Ramshot Magnum
<<locked>>
97%
41060
64%
**31
95%
ReloadSwiss RS 50
<<locked>>
88%
56623
89%
**92
99%
ReloadSwiss RS 52
<<locked>>
87%
56579
89%
**21
100%
ReloadSwiss RS 60
<<locked>>
94%
57435
90%
**30
100%
ReloadSwiss RS 62 👍
<<locked>>
96%
56840
89%
**80
100%
ReloadSwiss RS 70 👍
<<locked>>
97%
57232
90%
**33
100%
Rottweil R 902
<<locked>>
87%
57334
90%
**49
100%
Rottweil R 903
<<locked>>
91%
57188
90%
**98
100%
Rottweil R 904
<<locked>>
97%
51576
81%
**36
96%
Rottweil R 905
<<locked>>
97%
47761
75%
**36
96%
Rottweil R 907
<<locked>>
93%
56579
89%
**82
99%
SNPE Vectan SP 11
<<locked>>
90%
56811
89%
**35
100%
SNPE Vectan SP 7
<<locked>>
84%
57363
90%
**89
100%
SNPE Vectan SP 9
<<locked>>
85%
57421
90%
**95
100%
SNPE Vectan Tubal 3000
<<locked>>
84%
56710
89%
**70
100%
SNPE Vectan Tubal 5000
<<locked>>
90%
56376
88%
**64
100%
SNPE Vectan Tubal 7000
<<locked>>
94%
56898
89%
**46
99%
Shooters World Long Rifle
<<locked>>
94%
57377
90%
**92
100%
Shooters World Match Rifle
<<locked>>
84%
57421
90%
**69
100%
Shooters World Precision
<<locked>>
88%
57058
89%
**62
100%
Somchem S335
<<locked>>
84%
57174
90%
**80
100%
Somchem S341
<<locked>>
84%
56927
89%
**75
100%
Somchem S355
<<locked>>
91%
56710
89%
**92
100%
Somchem S361
<<locked>>
97%
52953
83%
**30
95%
Somchem S365
<<locked>>
97%
52301
82%
**25
100%
Somchem S385
<<locked>>
96%
48022
75%
**16
97%
Vihtavuori N133
<<locked>>
86%
57087
89%
**57
100%
Vihtavuori N135
<<locked>>
92%
56782
89%
**10
100%
Vihtavuori N140
<<locked>>
86%
56695
89%
**16
100%
Vihtavuori N150
<<locked>>
96%
56898
89%
**56
100%
Vihtavuori N160
<<locked>>
94%
56565
89%
**12
100%
Vihtavuori N165
<<locked>>
97%
40988
64%
**75
95%
Vihtavuori N540
<<locked>>
87%
56797
89%
**52
100%
Vihtavuori N550
<<locked>>
93%
56391
88%
**51
100%
Vihtavuori N555
<<locked>>
97%
45484
71%
**33
100%
[Vihtavuori N560]*
<<locked>>
97%
43149
68%
**03
92%
Winchester 6.5 StaBALL
<<locked>>
96%
57392
90%
**02
100%
Winchester 760
<<locked>>
92%
56797
89%
**67
99%
Winchester StaBALL HD
<<locked>>
97%
36724
58%
**87
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
52040
82%
**23
100%
ADI AR 2208
<<locked>>
81%
44019
69%
**88
99%
[ADI AR 2209]*
<<locked>>
83%
32851
51%
**21
90%
[ADI AR 2213]*
<<locked>>
92%
38072
60%
**56
90%
Accurate 2700
<<locked>>
81%
42641
67%
**20
96%
[Accurate 3100]*
<<locked>>
81%
26237
41%
**64
91%
Accurate 4064
<<locked>>
81%
47282
74%
**25
100%
Accurate 4350
<<locked>>
81%
35143
55%
**93
97%
Alliant Reloder- TS 15.5
<<locked>>
81%
44367
70%
**11
100%
Alliant Reloder-15
<<locked>>
81%
47340
74%
**70
100%
Alliant Reloder-16
<<locked>>
81%
34476
54%
**97
97%
Alliant Reloder-17
<<locked>>
81%
38740
61%
**15
100%
[Alliant Reloder-19]*
<<locked>>
83%
32343
51%
**18
90%
[Alliant Reloder-22]*
<<locked>>
87%
32300
51%
**57
90%
Alliant Reloder-23
<<locked>>
81%
25889
41%
**93
95%
[Alliant Reloder-25]*
<<locked>>
87%
27093
42%
**19
91%
[Alliant Reloder-26]*
<<locked>>
81%
27325
43%
**82
93%
Baschieri & Pellagri 107
<<locked>>
81%
51155
80%
**36
100%
Hodgdon CFE223
<<locked>>
81%
45832
72%
**90
99%
Hodgdon H380
<<locked>>
81%
45411
71%
**34
99%
Hodgdon H414
<<locked>>
81%
39929
63%
**92
96%
[Hodgdon H4350]*
<<locked>>
81%
33852
53%
**05
93%
[Hodgdon H4831 SC]*
<<locked>>
91%
38450
60%
**26
90%
Hodgdon Hybrid 100V
<<locked>>
81%
32111
50%
**05
98%
Hodgdon LVR
<<locked>>
81%
37695
59%
**36
97%
[Hodgdon Superperformance]*
<<locked>>
81%
36172
57%
**36
94%
Hodgdon VARGET
<<locked>>
81%
43569
68%
**82
99%
IMR 3031
<<locked>>
81%
48863
77%
**57
100%
IMR 4064
<<locked>>
81%
43700
68%
**72
100%
IMR 4166 Enduron
<<locked>>
81%
43163
68%
**43
97%
[IMR 4350]*
<<locked>>
81%
35447
56%
**41
93%
IMR 4451 Enduron
<<locked>>
81%
41292
65%
**39
96%
IMR 4831
<<locked>>
81%
31154
49%
**85
96%
IMR 4895
<<locked>>
81%
48617
76%
**03
100%
[IMR 4955 Enduron]*
<<locked>>
89%
36782
58%
**64
90%
[IMR 7828 SSC]*
<<locked>>
91%
37710
59%
**56
90%
Lovex D073.6
<<locked>>
81%
51851
81%
**00
100%
Lovex S060
<<locked>>
81%
51198
80%
**51
100%
Lovex S062
<<locked>>
81%
46673
73%
**18
100%
Lovex S065
<<locked>>
81%
38783
61%
**90
97%
Lovex S070
<<locked>>
81%
37043
58%
**77
95%
[Lovex S071]*
<<locked>>
84%
24787
39%
**24
90%
Norma 201
<<locked>>
81%
51329
80%
**80
100%
Norma 202
<<locked>>
81%
51242
80%
**74
100%
Norma 203B
<<locked>>
81%
46876
73%
**61
100%
[Norma 204]*
<<locked>>
81%
34635
54%
**57
91%
[Norma MRP]*
<<locked>>
83%
29327
46%
**01
90%
Norma URP
<<locked>>
81%
35186
55%
**93
97%
Ramshot Big Game
<<locked>>
81%
46702
73%
**80
100%
Ramshot Hunter
<<locked>>
81%
34200
54%
**77
95%
[Ramshot Magnum]*
<<locked>>
90%
32387
51%
**41
90%
ReloadSwiss RS 50
<<locked>>
81%
45020
71%
**11
98%
ReloadSwiss RS 52
<<locked>>
81%
46209
72%
**80
100%
ReloadSwiss RS 60
<<locked>>
81%
37608
59%
**02
100%
ReloadSwiss RS 62
<<locked>>
81%
34519
54%
**03
97%
ReloadSwiss RS 70
<<locked>>
81%
34316
54%
**13
96%
Rottweil R 902
<<locked>>
81%
48573
76%
**31
100%
Rottweil R 903
<<locked>>
81%
42293
66%
**79
100%
[Rottweil R 904]*
<<locked>>
84%
35157
55%
**38
90%
[Rottweil R 905]*
<<locked>>
83%
31401
49%
**98
90%
Rottweil R 907
<<locked>>
81%
40118
63%
**06
95%
SNPE Vectan SP 11
<<locked>>
81%
42757
67%
**21
100%
SNPE Vectan SP 7
<<locked>>
81%
52895
83%
**26
100%
SNPE Vectan SP 9
<<locked>>
81%
50415
79%
**97
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
51982
81%
**15
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
43787
69%
**00
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
38029
60%
**41
95%
Shooters World Long Rifle
<<locked>>
81%
38783
61%
**90
97%
Shooters World Match Rifle
<<locked>>
81%
51851
81%
**00
100%
Shooters World Precision
<<locked>>
81%
46673
73%
**18
100%
Somchem S335
<<locked>>
81%
51938
81%
**18
100%
Somchem S341
<<locked>>
81%
52228
82%
**13
100%
Somchem S355
<<locked>>
81%
42699
67%
**75
100%
[Somchem S361]*
<<locked>>
86%
37782
59%
**74
90%
Somchem S365
<<locked>>
81%
31807
50%
**54
99%
[Somchem S385]*
<<locked>>
81%
29573
46%
**39
91%
Vihtavuori N133
<<locked>>
81%
49226
77%
**59
100%
Vihtavuori N135
<<locked>>
81%
41611
65%
**00
100%
Vihtavuori N140
<<locked>>
81%
48066
75%
**02
100%
Vihtavuori N150
<<locked>>
81%
36637
57%
**44
100%
Vihtavuori N160
<<locked>>
81%
37710
59%
**13
98%
[Vihtavuori N165]*
<<locked>>
87%
30414
48%
**42
90%
Vihtavuori N540
<<locked>>
81%
47543
74%
**28
100%
Vihtavuori N550
<<locked>>
81%
38450
60%
**52
98%
Vihtavuori N555
<<locked>>
81%
27659
43%
**52
95%
[Vihtavuori N560]*
<<locked>>
92%
37840
59%
**88
90%
Winchester 6.5 StaBALL
<<locked>>
81%
35839
56%
**60
99%
Winchester 760
<<locked>>
81%
39929
63%
**92
96%
[Winchester StaBALL HD]*
<<locked>>
81%
22931
36%
**51
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.

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