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Load data for .300 RCM + .308 | 180gr | MAKER Expanding Subsonic

Recommended Powder(s): Alliant Reloder-17, Hodgdon CFE223, Hodgdon LVR, SNPE Vectan SP 11, Vihtavuori N550

.300 RCM + .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 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_B12325_C371
Last updated:
2026-04-03

Load data for 210 loads in caliber .300 RCM with .308 | 180gr | MAKER Expanding Subsonic bullet and 105 powders such as Alliant Reloder-17, Hodgdon CFE223, Hodgdon LVR, SNPE Vectan SP 11, Vihtavuori N550. 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>>
86%
56927
89%
**62
100%
ADI AR 2208
<<locked>>
92%
56550
89%
**43
100%
[ADI AR 2209]*
<<locked>>
97%
45527
71%
**38
94%
ADI Benchmark 8208
<<locked>>
85%
56521
89%
**23
100%
Accurate 2200
<<locked>>
85%
57246
90%
**40
100%
Accurate 2495
<<locked>>
85%
56652
89%
**03
100%
Accurate 2520
<<locked>>
85%
57058
89%
**43
100%
Accurate 2700
<<locked>>
92%
56840
89%
**94
98%
Accurate 3100
<<locked>>
97%
38145
60%
**90
95%
Accurate 4064
<<locked>>
91%
56956
89%
**36
100%
Accurate 4350
<<locked>>
97%
53359
84%
**76
100%
Alliant AR-Comp
<<locked>>
84%
56594
89%
**80
100%
Alliant Power Pro 2000-MR
<<locked>>
88%
56492
89%
**81
100%
Alliant Reloder- TS 15.5
<<locked>>
92%
57305
90%
**76
100%
Alliant Reloder-15
<<locked>>
89%
57043
89%
**82
100%
Alliant Reloder-16
<<locked>>
97%
51547
81%
**79
100%
Alliant Reloder-17 👍
<<locked>>
95%
57246
90%
**84
100%
[Alliant Reloder-19]*
<<locked>>
97%
44672
70%
**35
94%
[Alliant Reloder-22]*
<<locked>>
97%
39102
61%
**59
92%
Alliant Reloder-23
<<locked>>
97%
37202
58%
**36
99%
[Alliant Reloder-25]*
<<locked>>
97%
32576
51%
**18
93%
Alliant Reloder-26
<<locked>>
97%
40901
64%
**77
98%
Baschieri & Pellagri 107
<<locked>>
86%
56391
88%
**76
100%
Bofors RP3
<<locked>>
91%
56768
89%
**76
100%
[Bofors RP5]*
<<locked>>
97%
39102
61%
**59
92%
Bofors RP7
<<locked>>
95%
56826
89%
**46
98%
Hodgdon BL-C2
<<locked>>
85%
57130
90%
**79
100%
Hodgdon Benchmark
<<locked>>
84%
57305
90%
**90
100%
Hodgdon CFE223 👍
<<locked>>
90%
56637
89%
**15
100%
Hodgdon H322
<<locked>>
83%
57000
89%
**03
100%
Hodgdon H380
<<locked>>
91%
57319
90%
**79
100%
Hodgdon H414
<<locked>>
94%
57305
90%
**41
99%
Hodgdon H4350
<<locked>>
97%
50125
79%
**64
97%
Hodgdon H4895
<<locked>>
86%
56333
88%
**53
100%
Hodgdon Hybrid 100V
<<locked>>
97%
48327
76%
**67
100%
Hodgdon LVR 👍
<<locked>>
97%
57203
90%
**18
100%
Hodgdon Superperformance
<<locked>>
96%
56797
89%
**64
98%
Hodgdon VARGET
<<locked>>
92%
57000
89%
**49
100%
Hodgdon TrailBoss
<<locked>>
97%
34171
54%
**34
100%
IMR 3031
<<locked>>
89%
56579
89%
**36
100%
IMR 4064
<<locked>>
92%
56710
89%
**36
100%
IMR 4166 Enduron
<<locked>>
93%
56710
89%
**17
98%
IMR 4350
<<locked>>
97%
52591
82%
**07
97%
IMR 4451 Enduron
<<locked>>
94%
56710
89%
**46
98%
IMR 4831
<<locked>>
97%
45092
71%
**28
99%
IMR 4895
<<locked>>
89%
57377
90%
**95
100%
IMR 8208 XBR
<<locked>>
85%
56521
89%
**23
100%
Lovex D073.6
<<locked>>
86%
57058
89%
**43
100%
Lovex S060
<<locked>>
87%
57188
90%
**00
100%
Lovex S062
<<locked>>
90%
56797
89%
**36
100%
Lovex S065
<<locked>>
96%
56565
89%
**49
99%
Lovex S070
<<locked>>
97%
54650
86%
**40
98%
[Lovex S071]*
<<locked>>
97%
32053
50%
**62
93%
Norma 201
<<locked>>
87%
57348
90%
**30
100%
Norma 202
<<locked>>
87%
56710
89%
**13
100%
Norma 203B
<<locked>>
90%
56985
89%
**79
100%
Norma 204
<<locked>>
97%
52852
83%
**46
96%
Norma MRP
<<locked>>
97%
41104
64%
**31
95%
Norma URP
<<locked>>
97%
52504
82%
**62
100%
Ramshot Big Game
<<locked>>
90%
57305
90%
**02
100%
Ramshot Hunter
<<locked>>
97%
51227
80%
**56
98%
Ramshot TAC
<<locked>>
85%
57072
89%
**46
99%
Ramshot Wild Boar
<<locked>>
85%
56753
89%
**66
100%
ReloadSwiss RS 14
<<locked>>
96%
34519
54%
**70
100%
ReloadSwiss RS 50
<<locked>>
91%
57261
90%
**62
99%
ReloadSwiss RS 52
<<locked>>
87%
56956
89%
**41
100%
ReloadSwiss RS 60
<<locked>>
93%
56913
89%
**77
100%
ReloadSwiss RS 62
<<locked>>
97%
53461
84%
**02
100%
ReloadSwiss RS 70
<<locked>>
97%
52286
82%
**18
99%
Rottweil R 901
<<locked>>
84%
56623
89%
**87
100%
Rottweil R 902
<<locked>>
89%
57058
89%
**23
100%
Rottweil R 903
<<locked>>
94%
57029
89%
**66
100%
[Rottweil R 904]*
<<locked>>
97%
47297
74%
**25
93%
[Rottweil R 905]*
<<locked>>
97%
43178
68%
**05
94%
Rottweil R 907
<<locked>>
95%
56826
89%
**46
98%
SNPE Vectan SP 11 👍
<<locked>>
93%
57261
90%
**12
100%
SNPE Vectan SP 7
<<locked>>
86%
57116
90%
**49
100%
SNPE Vectan SP 9
<<locked>>
87%
56507
89%
**53
100%
SNPE Vectan Tubal 3000
<<locked>>
86%
57043
89%
**41
100%
SNPE Vectan Tubal 5000
<<locked>>
92%
57348
90%
**41
100%
SNPE Vectan Tubal 7000
<<locked>>
96%
57058
89%
**07
98%
Shooters World Long Rifle
<<locked>>
96%
56565
89%
**49
99%
Shooters World Match Rifle
<<locked>>
86%
57058
89%
**43
100%
Shooters World Precision
<<locked>>
90%
56797
89%
**36
100%
Somchem S335
<<locked>>
86%
56333
88%
**41
100%
Somchem S341
<<locked>>
86%
56608
89%
**43
100%
Somchem S355
<<locked>>
93%
56695
89%
**59
100%
[Somchem S361]*
<<locked>>
97%
48443
76%
**08
93%
Somchem S365
<<locked>>
97%
47268
74%
**17
100%
Somchem S385
<<locked>>
97%
44324
69%
**98
95%
Vihtavuori N130
<<locked>>
83%
57058
89%
**12
100%
Vihtavuori N133
<<locked>>
88%
56753
89%
**21
100%
Vihtavuori N135
<<locked>>
95%
56971
89%
**80
100%
Vihtavuori N140
<<locked>>
89%
56637
89%
**84
100%
Vihtavuori N150
<<locked>>
97%
54172
85%
**87
100%
Vihtavuori N160
<<locked>>
96%
56913
89%
**79
100%
[Vihtavuori N165]*
<<locked>>
97%
36637
57%
**28
92%
Vihtavuori N530
<<locked>>
83%
56739
89%
**33
100%
Vihtavuori N540
<<locked>>
89%
57174
90%
**30
100%
Vihtavuori N550 👍
<<locked>>
96%
57043
89%
**22
100%
Vihtavuori N555
<<locked>>
97%
40263
63%
**02
99%
Winchester 6.5 StaBALL
<<locked>>
97%
55376
87%
**43
100%
Winchester 760
<<locked>>
94%
57305
90%
**41
99%
Winchester StaBALL HD
<<locked>>
97%
32721
51%
**20
98%
[Winchester Supreme 780]*
<<locked>>
97%
45672
72%
**15
94%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
48327
76%
**31
100%
ADI AR 2208
<<locked>>
81%
40741
64%
**77
98%
[ADI AR 2209]*
<<locked>>
89%
35607
56%
**25
90%
ADI Benchmark 8208
<<locked>>
81%
50459
79%
**31
100%
Accurate 2200
<<locked>>
81%
50241
79%
**31
99%
Accurate 2495
<<locked>>
81%
50140
79%
**15
100%
Accurate 2520
<<locked>>
81%
50705
79%
**51
100%
[Accurate 2700]*
<<locked>>
81%
39102
61%
**02
93%
[Accurate 3100]*
<<locked>>
87%
27195
43%
**28
90%
Accurate 4064
<<locked>>
81%
42438
67%
**16
100%
Accurate 4350
<<locked>>
81%
31270
49%
**52
95%
Alliant AR-Comp
<<locked>>
81%
50865
80%
**05
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
43918
69%
**64
99%
Alliant Reloder- TS 15.5
<<locked>>
81%
40538
64%
**00
99%
Alliant Reloder-15
<<locked>>
81%
43787
69%
**69
99%
Alliant Reloder-16
<<locked>>
81%
31502
49%
**59
95%
Alliant Reloder-17
<<locked>>
81%
35157
55%
**84
98%
[Alliant Reloder-19]*
<<locked>>
89%
34998
55%
**18
90%
[Alliant Reloder-22]*
<<locked>>
93%
34969
55%
**64
90%
[Alliant Reloder-23]*
<<locked>>
81%
22858
36%
**19
91%
[Alliant Reloder-25]*
<<locked>>
93%
29138
46%
**10
90%
[Alliant Reloder-26]*
<<locked>>
84%
26774
42%
**93
90%
Baschieri & Pellagri 107
<<locked>>
81%
47326
74%
**31
99%
Bofors RP3
<<locked>>
81%
40480
63%
**13
99%
[Bofors RP5]*
<<locked>>
93%
34969
55%
**64
90%
[Bofors RP7]*
<<locked>>
81%
36419
57%
**79
93%
Hodgdon BL-C2
<<locked>>
81%
50198
79%
**77
100%
Hodgdon Benchmark
<<locked>>
81%
52025
82%
**18
100%
Hodgdon CFE223
<<locked>>
81%
42047
66%
**75
98%
Hodgdon H322
<<locked>>
81%
53229
83%
**61
100%
Hodgdon H380
<<locked>>
81%
41060
64%
**16
98%
[Hodgdon H414]*
<<locked>>
81%
36506
57%
**67
94%
[Hodgdon H4350]*
<<locked>>
82%
31821
50%
**93
90%
Hodgdon H4895
<<locked>>
81%
48776
76%
**44
100%
Hodgdon Hybrid 100V
<<locked>>
81%
28834
45%
**64
96%
Hodgdon LVR
<<locked>>
81%
34330
54%
**11
95%
[Hodgdon Superperformance]*
<<locked>>
81%
32851
51%
**88
91%
Hodgdon VARGET
<<locked>>
81%
40480
63%
**74
98%
Hodgdon TrailBoss
<<locked>>
81%
27224
43%
**96
100%
IMR 3031
<<locked>>
81%
44425
70%
**59
100%
IMR 4064
<<locked>>
81%
40161
63%
**61
98%
IMR 4166 Enduron
<<locked>>
81%
39755
62%
**28
95%
[IMR 4350]*
<<locked>>
81%
32242
51%
**10
91%
[IMR 4451 Enduron]*
<<locked>>
81%
37898
59%
**15
94%
[IMR 4831]*
<<locked>>
81%
27369
43%
**28
93%
IMR 4895
<<locked>>
81%
44933
70%
**98
99%
IMR 8208 XBR
<<locked>>
81%
50459
79%
**31
100%
Lovex D073.6
<<locked>>
81%
47471
74%
**02
100%
Lovex S060
<<locked>>
81%
47819
75%
**62
100%
Lovex S062
<<locked>>
81%
42873
67%
**20
100%
Lovex S065
<<locked>>
81%
35317
55%
**69
95%
[Lovex S070]*
<<locked>>
81%
33489
52%
**36
92%
[Lovex S071]*
<<locked>>
92%
27195
43%
**28
90%
Norma 201
<<locked>>
81%
47210
74%
**82
100%
Norma 202
<<locked>>
81%
47413
74%
**82
100%
Norma 203B
<<locked>>
81%
43163
68%
**59
99%
[Norma 204]*
<<locked>>
85%
35447
56%
**15
90%
[Norma MRP]*
<<locked>>
89%
32068
50%
**11
90%
Norma URP
<<locked>>
81%
31502
49%
**52
95%
Ramshot Big Game
<<locked>>
81%
42685
67%
**72
99%
[Ramshot Hunter]*
<<locked>>
81%
30806
48%
**33
92%
Ramshot TAC
<<locked>>
81%
50082
78%
**41
99%
Ramshot Wild Boar
<<locked>>
81%
49893
78%
**64
100%
ReloadSwiss RS 14
<<locked>>
81%
27601
43%
**29
100%
ReloadSwiss RS 50
<<locked>>
81%
41611
65%
**00
96%
ReloadSwiss RS 52
<<locked>>
81%
46398
73%
**74
99%
ReloadSwiss RS 60
<<locked>>
81%
37405
59%
**49
100%
[ReloadSwiss RS 62]*
<<locked>>
81%
31009
49%
**69
94%
[ReloadSwiss RS 70]*
<<locked>>
81%
31038
49%
**59
93%
Rottweil R 901
<<locked>>
81%
51271
80%
**12
100%
Rottweil R 902
<<locked>>
81%
44802
70%
**33
100%
Rottweil R 903
<<locked>>
81%
38116
60%
**57
99%
[Rottweil R 904]*
<<locked>>
90%
38203
60%
**41
90%
[Rottweil R 905]*
<<locked>>
89%
34084
53%
**11
90%
[Rottweil R 907]*
<<locked>>
81%
36419
57%
**79
93%
SNPE Vectan SP 11
<<locked>>
81%
39030
61%
**07
98%
SNPE Vectan SP 7
<<locked>>
81%
48515
76%
**15
99%
SNPE Vectan SP 9
<<locked>>
81%
46615
73%
**98
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
48225
76%
**23
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
40147
63%
**95
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
34345
54%
**10
93%
Shooters World Long Rifle
<<locked>>
81%
35317
55%
**69
95%
Shooters World Match Rifle
<<locked>>
81%
47471
74%
**02
100%
Shooters World Precision
<<locked>>
81%
42873
67%
**20
100%
Somchem S335
<<locked>>
81%
48138
75%
**26
100%
Somchem S341
<<locked>>
81%
48138
75%
**15
100%
Somchem S355
<<locked>>
81%
38841
61%
**64
99%
[Somchem S361]*
<<locked>>
92%
41220
65%
**77
90%
Somchem S365
<<locked>>
81%
28326
44%
**10
97%
[Somchem S385]*
<<locked>>
86%
31154
49%
**20
90%
Vihtavuori N130
<<locked>>
81%
53461
84%
**66
100%
Vihtavuori N133
<<locked>>
81%
45629
71%
**74
100%
Vihtavuori N135
<<locked>>
81%
37724
59%
**92
100%
Vihtavuori N140
<<locked>>
81%
44164
69%
**07
100%
Vihtavuori N150
<<locked>>
81%
33243
52%
**23
99%
Vihtavuori N160
<<locked>>
81%
34229
54%
**82
96%
[Vihtavuori N165]*
<<locked>>
94%
33286
52%
**56
90%
Vihtavuori N530
<<locked>>
81%
52968
83%
**77
100%
Vihtavuori N540
<<locked>>
81%
43976
69%
**30
100%
Vihtavuori N550
<<locked>>
81%
34534
54%
**21
96%
[Vihtavuori N555]*
<<locked>>
81%
24105
38%
**88
91%
Winchester 6.5 StaBALL
<<locked>>
81%
32605
51%
**29
97%
[Winchester 760]*
<<locked>>
81%
36506
57%
**67
94%
[Winchester StaBALL HD]*
<<locked>>
86%
23409
37%
**82
90%
[Winchester Supreme 780]*
<<locked>>
89%
35447
56%
**98
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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