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Load data for 7.5 x 54 mm MAS + .308 | 240gr | MAKER Rex Expanding Subsonic

Recommended Powder(s): Alliant Reloder-17, Hodgdon H380, Ramshot Big Game, Rottweil R 903, SNPE Vectan SP 11

7.5 x 54 mm MAS + .308 | 240gr | MAKER Rex Expanding Subsonic

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 240gr | MAKER Rex Expanding Subsonic
Manufacturer SKU:
300BLK-240G-EXP
Bullet Weight:
240gr | 15.6g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
<<locked>>
Caliber:
7.5 x 54 mm MAS load data
Case Length (l3):
2.120" | 53.8mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
58.0 Grains of Water | 3.77 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
55114 psi | 3800 bar
LID:
LID_B12354_C1111
Last updated:
2026-05-12
Recommended Twist Rate:
1:10 - 1:8

Load data for 186 loads in caliber 7.5 x 54 mm MAS with .308 | 240gr | MAKER Rex Expanding Subsonic bullet and 93 powders such as Alliant Reloder-17, Hodgdon H380, Ramshot Big Game, Rottweil R 903, SNPE Vectan SP 11. 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%
49574
90%
**23
100%
ADI AR 2208
<<locked>>
91%
49153
89%
**06
100%
[ADI AR 2209]*
<<locked>>
97%
38943
71%
**08
92%
ADI Benchmark 8208
<<locked>>
84%
48472
88%
**83
100%
Accurate 2015
<<locked>>
83%
49356
90%
**31
100%
Accurate 2495
<<locked>>
89%
48733
88%
**70
100%
Accurate 2520
<<locked>>
84%
48776
89%
**10
100%
Accurate 2700
<<locked>>
92%
48689
88%
**57
96%
[Accurate 3100]*
<<locked>>
96%
30632
56%
**90
93%
Accurate 4064
<<locked>>
91%
49110
89%
**10
100%
Accurate 4350
<<locked>>
96%
43540
79%
**13
99%
Alliant AR-Comp
<<locked>>
84%
48544
88%
**60
100%
Alliant Power Pro 2000-MR
<<locked>>
89%
49603
90%
**28
100%
Alliant Reloder- TS 15.5
<<locked>>
92%
49530
90%
**39
100%
Alliant Reloder-15
<<locked>>
89%
49240
89%
**39
100%
Alliant Reloder-16
<<locked>>
96%
43410
79%
**16
99%
Alliant Reloder-17 👍
<<locked>>
96%
48428
88%
**15
100%
[Alliant Reloder-19]*
<<locked>>
96%
37942
69%
**01
92%
Alliant Reloder-23
<<locked>>
97%
31038
56%
**26
97%
Alliant Reloder-26
<<locked>>
97%
33823
61%
**28
95%
Baschieri & Pellagri 107
<<locked>>
86%
48472
88%
**29
99%
Bofors RP3
<<locked>>
92%
48733
88%
**36
100%
Bofors RP7
<<locked>>
95%
48950
89%
**03
97%
Hodgdon BL-C2
<<locked>>
87%
48965
89%
**39
100%
Hodgdon H380 👍
<<locked>>
91%
48936
89%
**29
99%
Hodgdon H414
<<locked>>
97%
47819
87%
**69
97%
Hodgdon H4350
<<locked>>
95%
48776
88%
**29
96%
Hodgdon H4895
<<locked>>
86%
49052
89%
**16
100%
Hodgdon Hybrid 100V
<<locked>>
97%
40625
74%
**44
99%
Hodgdon Superperformance
<<locked>>
96%
47471
86%
**78
96%
Hodgdon VARGET
<<locked>>
87%
49211
89%
**06
100%
Hodgdon LEVERevolution
<<locked>>
88%
48385
88%
**56
100%
IMR 3031
<<locked>>
86%
48544
88%
**06
100%
IMR 4064
<<locked>>
90%
49255
89%
**00
100%
IMR 4166 Enduron
<<locked>>
87%
48602
88%
**67
97%
IMR 4350
<<locked>>
97%
44904
81%
**70
96%
IMR 4451 Enduron
<<locked>>
94%
48820
89%
**00
97%
IMR 4831
<<locked>>
97%
42192
77%
**77
99%
IMR 4895
<<locked>>
89%
49226
89%
**49
100%
IMR 8208 XBR
<<locked>>
84%
48472
88%
**83
100%
Lovex D073.6
<<locked>>
87%
49197
89%
**13
100%
Lovex S060
<<locked>>
86%
48979
89%
**57
100%
Lovex S062
<<locked>>
90%
48457
88%
**93
100%
Lovex S065
<<locked>>
97%
49182
89%
**13
98%
Lovex S070
<<locked>>
97%
46630
85%
**03
97%
Norma 201
<<locked>>
86%
48544
88%
**83
100%
Norma 202
<<locked>>
87%
49269
89%
**93
100%
Norma 203B
<<locked>>
90%
49501
90%
**46
100%
[Norma 204]*
<<locked>>
97%
45281
82%
**00
94%
[Norma MRP]*
<<locked>>
96%
33968
62%
**95
92%
Norma URP
<<locked>>
97%
44150
80%
**16
99%
Ramshot Big Game 👍
<<locked>>
90%
48704
88%
**56
100%
Ramshot Hunter
<<locked>>
97%
43395
79%
**13
97%
Ramshot TAC
<<locked>>
84%
49124
89%
**03
99%
Ramshot Wild Boar
<<locked>>
84%
48486
88%
**19
100%
ReloadSwiss RS 50
<<locked>>
90%
48762
88%
**06
98%
ReloadSwiss RS 52
<<locked>>
88%
49240
89%
**92
100%
ReloadSwiss RS 60
<<locked>>
94%
49356
90%
**31
100%
ReloadSwiss RS 62
<<locked>>
96%
43352
79%
**33
99%
ReloadSwiss RS 70
<<locked>>
96%
44048
80%
**49
98%
Rottweil R 901
<<locked>>
84%
48805
89%
**54
100%
Rottweil R 902
<<locked>>
88%
49008
89%
**80
100%
Rottweil R 903 👍
<<locked>>
94%
48486
88%
**29
100%
[Rottweil R 905]*
<<locked>>
96%
36347
66%
**85
92%
Rottweil R 907
<<locked>>
95%
48950
89%
**03
97%
SNPE Vectan SP 11 👍
<<locked>>
93%
49197
89%
**69
100%
SNPE Vectan SP 7
<<locked>>
86%
49530
90%
**16
99%
SNPE Vectan SP 9
<<locked>>
87%
49081
89%
**19
100%
SNPE Vectan Tubal 3000
<<locked>>
85%
48849
89%
**18
100%
SNPE Vectan Tubal 5000
<<locked>>
92%
49371
90%
**28
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
48907
89%
**73
97%
Shooters World Long Rifle
<<locked>>
97%
49182
89%
**13
98%
Shooters World Match Rifle
<<locked>>
87%
49197
89%
**13
100%
Shooters World Precision
<<locked>>
90%
48457
88%
**93
100%
Somchem S335
<<locked>>
86%
49574
90%
**34
100%
Somchem S341
<<locked>>
86%
49327
90%
**10
100%
Somchem S355
<<locked>>
93%
49139
89%
**26
100%
Somchem S365
<<locked>>
97%
39146
71%
**77
100%
[Somchem S385]*
<<locked>>
97%
36927
67%
**88
93%
Vihtavuori N133
<<locked>>
85%
49095
89%
**05
100%
Vihtavuori N135
<<locked>>
90%
48443
88%
**60
100%
Vihtavuori N140
<<locked>>
88%
48936
89%
**67
100%
Vihtavuori N150
<<locked>>
94%
48689
88%
**93
100%
Vihtavuori N160
<<locked>>
96%
45992
83%
**06
99%
Vihtavuori N530
<<locked>>
84%
48530
88%
**77
100%
Vihtavuori N540
<<locked>>
89%
48994
89%
**90
100%
Vihtavuori N550
<<locked>>
97%
45963
83%
**29
99%
Vihtavuori N555
<<locked>>
97%
33011
60%
**88
97%
Winchester 6.5 StaBALL
<<locked>>
97%
47123
86%
**06
100%
Winchester 748
<<locked>>
85%
49081
89%
**29
100%
Winchester 760
<<locked>>
97%
47819
87%
**69
97%
Winchester StaBALL HD
<<locked>>
97%
27630
50%
**03
96%
Winchester StaBALL Match
<<locked>>
87%
49066
89%
**33
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
41959
76%
**18
99%
ADI AR 2208
<<locked>>
81%
35926
65%
**09
98%
[ADI AR 2209]*
<<locked>>
93%
35462
64%
**42
90%
ADI Benchmark 8208
<<locked>>
81%
44193
80%
**24
100%
Accurate 2015
<<locked>>
81%
46050
84%
**91
100%
Accurate 2495
<<locked>>
81%
37724
68%
**32
100%
Accurate 2520
<<locked>>
81%
43004
78%
**34
100%
[Accurate 2700]*
<<locked>>
81%
34069
62%
**34
92%
[Accurate 3100]*
<<locked>>
91%
25802
47%
**88
90%
Accurate 4064
<<locked>>
81%
35737
65%
**29
100%
[Accurate 4350]*
<<locked>>
81%
25817
47%
**91
93%
Alliant AR-Comp
<<locked>>
81%
43642
79%
**08
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
38014
69%
**41
98%
Alliant Reloder- TS 15.5
<<locked>>
81%
35143
64%
**26
99%
Alliant Reloder-15
<<locked>>
81%
37623
68%
**72
98%
[Alliant Reloder-16]*
<<locked>>
81%
27760
50%
**11
93%
Alliant Reloder-17
<<locked>>
81%
30066
55%
**00
97%
[Alliant Reloder-19]*
<<locked>>
93%
33721
61%
**23
90%
[Alliant Reloder-23]*
<<locked>>
83%
21103
38%
**57
90%
[Alliant Reloder-26]*
<<locked>>
89%
26281
48%
**47
91%
Baschieri & Pellagri 107
<<locked>>
81%
40843
74%
**21
98%
Bofors RP3
<<locked>>
81%
34127
62%
**23
99%
[Bofors RP7]*
<<locked>>
81%
31792
58%
**21
91%
Hodgdon BL-C2
<<locked>>
81%
40364
73%
**21
100%
Hodgdon H380
<<locked>>
81%
35636
65%
**32
96%
[Hodgdon H414]*
<<locked>>
81%
29022
53%
**34
90%
[Hodgdon H4350]*
<<locked>>
82%
32576
59%
**67
90%
Hodgdon H4895
<<locked>>
81%
42424
77%
**28
100%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
24918
45%
**32
94%
[Hodgdon Superperformance]*
<<locked>>
85%
31647
57%
**00
90%
Hodgdon VARGET
<<locked>>
81%
40538
74%
**88
99%
Hodgdon LEVERevolution
<<locked>>
81%
37884
69%
**05
99%
IMR 3031
<<locked>>
81%
41698
76%
**18
100%
IMR 4064
<<locked>>
81%
37753
68%
**32
98%
IMR 4166 Enduron
<<locked>>
81%
40263
73%
**46
95%
[IMR 4350]*
<<locked>>
83%
30153
55%
**11
90%
[IMR 4451 Enduron]*
<<locked>>
81%
33460
61%
**54
93%
[IMR 4831]*
<<locked>>
81%
25860
47%
**72
93%
IMR 4895
<<locked>>
81%
38566
70%
**95
99%
IMR 8208 XBR
<<locked>>
81%
44193
80%
**24
100%
Lovex D073.6
<<locked>>
81%
40567
74%
**98
100%
Lovex S060
<<locked>>
81%
42540
77%
**69
99%
Lovex S062
<<locked>>
81%
37318
68%
**32
99%
[Lovex S065]*
<<locked>>
81%
30443
55%
**11
93%
[Lovex S070]*
<<locked>>
81%
28834
52%
**95
91%
Norma 201
<<locked>>
81%
40930
74%
**75
100%
Norma 202
<<locked>>
81%
41568
75%
**91
100%
Norma 203B
<<locked>>
81%
37144
67%
**62
99%
[Norma 204]*
<<locked>>
89%
34751
63%
**26
90%
[Norma MRP]*
<<locked>>
93%
31038
56%
**29
90%
[Norma URP]*
<<locked>>
81%
27093
49%
**01
93%
Ramshot Big Game
<<locked>>
81%
36506
66%
**75
98%
[Ramshot Hunter]*
<<locked>>
82%
27238
49%
**01
90%
Ramshot TAC
<<locked>>
81%
43816
79%
**28
98%
Ramshot Wild Boar
<<locked>>
81%
42888
78%
**41
99%
ReloadSwiss RS 50
<<locked>>
81%
35824
65%
**13
95%
ReloadSwiss RS 52
<<locked>>
81%
39160
71%
**47
99%
ReloadSwiss RS 60
<<locked>>
81%
32126
58%
**49
99%
[ReloadSwiss RS 62]*
<<locked>>
81%
26121
47%
**01
92%
[ReloadSwiss RS 70]*
<<locked>>
81%
26861
49%
**01
91%
Rottweil R 901
<<locked>>
81%
45455
82%
**11
100%
Rottweil R 902
<<locked>>
81%
39508
72%
**49
100%
Rottweil R 903
<<locked>>
81%
32430
59%
**86
98%
[Rottweil R 905]*
<<locked>>
93%
32866
60%
**19
90%
[Rottweil R 907]*
<<locked>>
81%
31792
58%
**21
91%
SNPE Vectan SP 11
<<locked>>
81%
33402
61%
**26
98%
SNPE Vectan SP 7
<<locked>>
81%
41829
76%
**08
98%
SNPE Vectan SP 9
<<locked>>
81%
40509
74%
**98
99%
SNPE Vectan Tubal 3000
<<locked>>
81%
43105
78%
**42
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
35520
64%
**47
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
29399
53%
**72
91%
[Shooters World Long Rifle]*
<<locked>>
81%
30443
55%
**11
93%
Shooters World Match Rifle
<<locked>>
81%
40567
74%
**98
100%
Shooters World Precision
<<locked>>
81%
37318
68%
**32
99%
Somchem S335
<<locked>>
81%
42221
77%
**46
100%
Somchem S341
<<locked>>
81%
41713
76%
**11
99%
Somchem S355
<<locked>>
81%
33257
60%
**83
98%
Somchem S365
<<locked>>
81%
24236
44%
**65
96%
[Somchem S385]*
<<locked>>
90%
29675
54%
**47
90%
Vihtavuori N133
<<locked>>
81%
43439
79%
**39
100%
Vihtavuori N135
<<locked>>
81%
36637
66%
**09
100%
Vihtavuori N140
<<locked>>
81%
39233
71%
**39
100%
Vihtavuori N150
<<locked>>
81%
31850
58%
**44
99%
[Vihtavuori N160]*
<<locked>>
81%
28340
51%
**01
94%
Vihtavuori N530
<<locked>>
81%
44019
80%
**18
100%
Vihtavuori N540
<<locked>>
81%
37782
69%
**39
100%
[Vihtavuori N550]*
<<locked>>
81%
27615
50%
**08
93%
[Vihtavuori N555]*
<<locked>>
83%
21451
39%
**03
90%
Winchester 6.5 StaBALL
<<locked>>
81%
28326
51%
**88
96%
Winchester 748
<<locked>>
81%
43337
79%
**57
100%
[Winchester 760]*
<<locked>>
81%
29022
53%
**34
90%
[Winchester StaBALL HD]*
<<locked>>
90%
22611
41%
**42
90%
Winchester StaBALL Match
<<locked>>
81%
39450
72%
**98
99%

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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