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Load data for 7.5 x 55 SWISS + .308 | 220gr | Cutting Edge SUBSONIC Flat Base Maximus - 50ct

Recommended Powder(s): Accurate 4350, Alliant Reloder-16, Alliant Reloder-17, Norma URP, Vihtavuori N550

7.5 x 55 SWISS + .308 | 220gr | Cutting Edge SUBSONIC Flat Base Maximus - 50ct

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 220gr | Cutting Edge SUBSONIC Flat Base Maximus - 50ct
Manufacturer SKU:
FB M.308 220 SS
Bullet Weight:
220gr | 14.3g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
<<locked>>
Caliber:
7.5 x 55 SWISS load data
Case Length (l3):
2.188" | 55.6mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
65.0 Grains of Water | 4.22 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
55114 psi | 3800 bar
LID:
LID_B12326_C1112
Last updated:
2026-04-03

Load data for 178 loads in caliber 7.5 x 55 SWISS with .308 | 220gr | Cutting Edge SUBSONIC Flat Base Maximus - 50ct bullet and 89 powders such as Accurate 4350, Alliant Reloder-16, Alliant Reloder-17, Norma URP, 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>>
84%
49095
89%
**67
100%
ADI AR 2208
<<locked>>
89%
48602
88%
**47
100%
[ADI AR 2209]*
<<locked>>
97%
42322
77%
**15
94%
Accurate 2700
<<locked>>
90%
49458
90%
**18
97%
Accurate 3100
<<locked>>
96%
34287
62%
**90
95%
Accurate 4064
<<locked>>
89%
49545
90%
**60
100%
Accurate 4350 👍
<<locked>>
96%
48399
88%
**26
100%
Alliant Power Pro 2000-MR
<<locked>>
86%
48704
88%
**72
100%
Alliant Reloder- TS 15.5
<<locked>>
89%
48791
89%
**77
100%
Alliant Reloder-15
<<locked>>
87%
49211
89%
**90
100%
Alliant Reloder-16 👍
<<locked>>
97%
48109
87%
**39
100%
Alliant Reloder-17 👍
<<locked>>
93%
49052
89%
**75
100%
[Alliant Reloder-19]*
<<locked>>
96%
41220
75%
**11
94%
[Alliant Reloder-22]*
<<locked>>
96%
35621
65%
**42
92%
Alliant Reloder-23
<<locked>>
97%
34200
62%
**33
98%
[Alliant Reloder-25]*
<<locked>>
97%
30066
55%
**24
92%
Alliant Reloder-26
<<locked>>
97%
37101
67%
**47
97%
Baschieri & Pellagri 107
<<locked>>
84%
49023
89%
**87
100%
Bofors RP3
<<locked>>
89%
48979
89%
**83
100%
[Bofors RP5]*
<<locked>>
96%
35621
65%
**42
92%
Bofors RP7
<<locked>>
93%
49211
89%
**54
97%
Hodgdon CFE223
<<locked>>
88%
49240
89%
**29
100%
Hodgdon H380
<<locked>>
88%
48573
88%
**74
99%
Hodgdon H414
<<locked>>
93%
49559
90%
**46
98%
Hodgdon H4350
<<locked>>
97%
46470
84%
**44
96%
Hodgdon H4895
<<locked>>
84%
49530
90%
**70
100%
Hodgdon Hybrid 100V
<<locked>>
97%
44440
81%
**41
100%
Hodgdon LVR
<<locked>>
94%
49095
89%
**23
99%
Hodgdon Superperformance
<<locked>>
95%
49197
89%
**62
97%
Hodgdon VARGET
<<locked>>
89%
49037
89%
**54
100%
IMR 3031
<<locked>>
86%
48820
89%
**54
100%
IMR 4064
<<locked>>
90%
48849
89%
**44
100%
IMR 4166 Enduron
<<locked>>
90%
49443
90%
**34
98%
IMR 4350
<<locked>>
97%
48863
89%
**77
97%
IMR 4451 Enduron
<<locked>>
91%
48385
88%
**47
97%
IMR 4831
<<locked>>
97%
41220
75%
**08
99%
IMR 4895
<<locked>>
86%
49385
90%
**97
100%
Lovex D073.6
<<locked>>
84%
48428
88%
**51
100%
Lovex S060
<<locked>>
84%
49429
90%
**15
100%
Lovex S062
<<locked>>
87%
48805
89%
**47
100%
Lovex S065
<<locked>>
94%
49124
89%
**67
99%
Lovex S070
<<locked>>
95%
48660
88%
**77
98%
[Lovex S071]*
<<locked>>
97%
28935
52%
**78
93%
Norma 201
<<locked>>
84%
49356
90%
**38
100%
Norma 202
<<locked>>
84%
49385
90%
**38
100%
Norma 203B
<<locked>>
88%
49472
90%
**93
100%
Norma 204
<<locked>>
97%
49110
89%
**16
96%
[Norma MRP]*
<<locked>>
97%
37391
68%
**08
94%
Norma URP 👍
<<locked>>
97%
48573
88%
**26
100%
Ramshot Big Game
<<locked>>
87%
49037
89%
**10
100%
Ramshot Hunter
<<locked>>
97%
47253
86%
**20
98%
ReloadSwiss RS 50
<<locked>>
88%
48892
89%
**60
98%
ReloadSwiss RS 52
<<locked>>
85%
49008
89%
**39
100%
ReloadSwiss RS 60
<<locked>>
91%
48965
89%
**75
100%
ReloadSwiss RS 62
<<locked>>
97%
47921
87%
**49
99%
ReloadSwiss RS 70
<<locked>>
97%
48907
89%
**79
99%
Rottweil R 902
<<locked>>
86%
48979
89%
**28
100%
Rottweil R 903
<<locked>>
91%
49240
89%
**83
100%
[Rottweil R 904]*
<<locked>>
97%
44150
80%
**08
93%
[Rottweil R 905]*
<<locked>>
97%
39624
72%
**85
94%
Rottweil R 907
<<locked>>
93%
49211
89%
**54
97%
SNPE Vectan SP 11
<<locked>>
90%
48820
89%
**10
100%
SNPE Vectan SP 7
<<locked>>
84%
49574
90%
**64
99%
SNPE Vectan SP 9
<<locked>>
85%
49400
90%
**70
100%
SNPE Vectan Tubal 3000
<<locked>>
83%
48733
88%
**62
100%
SNPE Vectan Tubal 5000
<<locked>>
89%
49414
90%
**69
100%
SNPE Vectan Tubal 7000
<<locked>>
94%
48820
89%
**18
98%
Shooters World Long Rifle
<<locked>>
94%
49124
89%
**67
99%
Shooters World Match Rifle
<<locked>>
84%
48428
88%
**51
100%
Shooters World Precision
<<locked>>
87%
48805
89%
**47
100%
Somchem S335
<<locked>>
84%
49313
89%
**75
100%
Somchem S341
<<locked>>
83%
48762
88%
**54
100%
Somchem S355
<<locked>>
91%
48863
89%
**67
100%
[Somchem S361]*
<<locked>>
97%
45063
82%
**01
92%
Somchem S365
<<locked>>
97%
43221
78%
**87
100%
Somchem S385
<<locked>>
96%
39784
72%
**75
95%
Vihtavuori N133
<<locked>>
85%
49255
89%
**52
100%
Vihtavuori N135
<<locked>>
92%
49429
90%
**11
100%
Vihtavuori N140
<<locked>>
86%
48631
88%
**11
100%
Vihtavuori N150
<<locked>>
96%
49211
89%
**44
100%
Vihtavuori N160
<<locked>>
94%
49081
89%
**97
99%
[Vihtavuori N165]*
<<locked>>
97%
34200
62%
**51
92%
Vihtavuori N540
<<locked>>
86%
48805
89%
**41
100%
Vihtavuori N550 👍
<<locked>>
94%
49226
89%
**36
99%
Vihtavuori N555
<<locked>>
96%
36129
66%
**78
98%
Winchester 6.5 StaBALL
<<locked>>
95%
48675
88%
**77
100%
Winchester 760
<<locked>>
93%
49559
90%
**46
98%
Winchester StaBALL HD
<<locked>>
97%
30124
55%
**16
98%
[Winchester Supreme 780]*
<<locked>>
97%
42366
77%
**98
94%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
45063
82%
**08
100%
ADI AR 2208
<<locked>>
81%
38290
69%
**87
98%
[ADI AR 2209]*
<<locked>>
90%
34229
62%
**57
90%
[Accurate 2700]*
<<locked>>
81%
36941
67%
**21
93%
[Accurate 3100]*
<<locked>>
87%
24990
45%
**83
90%
Accurate 4064
<<locked>>
81%
39189
71%
**13
100%
Accurate 4350
<<locked>>
81%
28355
51%
**72
95%
Alliant Power Pro 2000-MR
<<locked>>
81%
40944
74%
**47
99%
Alliant Reloder- TS 15.5
<<locked>>
81%
37927
69%
**06
99%
Alliant Reloder-15
<<locked>>
81%
40770
74%
**62
99%
Alliant Reloder-16
<<locked>>
81%
29544
54%
**88
95%
Alliant Reloder-17
<<locked>>
81%
32750
59%
**93
98%
[Alliant Reloder-19]*
<<locked>>
89%
32851
60%
**41
90%
[Alliant Reloder-22]*
<<locked>>
94%
32851
60%
**83
90%
[Alliant Reloder-23]*
<<locked>>
81%
21408
39%
**81
91%
[Alliant Reloder-25]*
<<locked>>
93%
27311
50%
**52
90%
[Alliant Reloder-26]*
<<locked>>
85%
25425
46%
**49
90%
Baschieri & Pellagri 107
<<locked>>
81%
44150
80%
**18
99%
Bofors RP3
<<locked>>
81%
37579
68%
**13
99%
[Bofors RP5]*
<<locked>>
94%
32851
60%
**83
90%
[Bofors RP7]*
<<locked>>
81%
34127
62%
**05
93%
Hodgdon CFE223
<<locked>>
81%
38943
71%
**69
98%
Hodgdon H380
<<locked>>
81%
38247
69%
**13
97%
[Hodgdon H414]*
<<locked>>
81%
33750
61%
**70
93%
[Hodgdon H4350]*
<<locked>>
82%
30052
55%
**39
90%
Hodgdon H4895
<<locked>>
81%
45440
82%
**18
100%
Hodgdon Hybrid 100V
<<locked>>
81%
26876
49%
**03
96%
Hodgdon LVR
<<locked>>
81%
31821
58%
**24
95%
[Hodgdon Superperformance]*
<<locked>>
81%
30327
55%
**05
90%
Hodgdon VARGET
<<locked>>
81%
37927
69%
**80
98%
IMR 3031
<<locked>>
81%
41727
76%
**59
100%
IMR 4064
<<locked>>
81%
37724
68%
**70
98%
IMR 4166 Enduron
<<locked>>
81%
37608
68%
**41
95%
[IMR 4350]*
<<locked>>
81%
30139
55%
**39
91%
[IMR 4451 Enduron]*
<<locked>>
81%
35418
64%
**28
94%
[IMR 4831]*
<<locked>>
81%
25396
46%
**80
93%
IMR 4895
<<locked>>
81%
41669
76%
**85
99%
Lovex D073.6
<<locked>>
81%
44338
80%
**92
100%
Lovex S060
<<locked>>
81%
45440
82%
**52
100%
Lovex S062
<<locked>>
81%
40350
73%
**16
100%
Lovex S065
<<locked>>
81%
32996
60%
**91
95%
[Lovex S070]*
<<locked>>
81%
31256
57%
**72
93%
[Lovex S071]*
<<locked>>
92%
25222
46%
**86
90%
Norma 201
<<locked>>
81%
44295
80%
**69
100%
Norma 202
<<locked>>
81%
44440
81%
**69
100%
Norma 203B
<<locked>>
81%
40001
73%
**49
99%
[Norma 204]*
<<locked>>
85%
33504
61%
**34
90%
[Norma MRP]*
<<locked>>
90%
29863
54%
**34
90%
Norma URP
<<locked>>
81%
29385
53%
**82
95%
Ramshot Big Game
<<locked>>
81%
39494
72%
**65
99%
[Ramshot Hunter]*
<<locked>>
81%
28761
52%
**62
92%
ReloadSwiss RS 50
<<locked>>
81%
39044
71%
**03
96%
ReloadSwiss RS 52
<<locked>>
81%
42641
77%
**47
99%
ReloadSwiss RS 60
<<locked>>
81%
34722
63%
**42
100%
[ReloadSwiss RS 62]*
<<locked>>
81%
28558
52%
**88
94%
[ReloadSwiss RS 70]*
<<locked>>
81%
28877
52%
**82
93%
Rottweil R 902
<<locked>>
81%
42380
77%
**33
100%
Rottweil R 903
<<locked>>
81%
35389
64%
**70
99%
[Rottweil R 904]*
<<locked>>
91%
36303
66%
**70
90%
[Rottweil R 905]*
<<locked>>
90%
31894
58%
**34
90%
[Rottweil R 907]*
<<locked>>
81%
34127
62%
**05
93%
SNPE Vectan SP 11
<<locked>>
81%
36201
66%
**10
98%
SNPE Vectan SP 7
<<locked>>
81%
45397
82%
**01
99%
SNPE Vectan SP 9
<<locked>>
81%
43468
79%
**85
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
45730
83%
**19
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
37840
69%
**18
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
31966
58%
**46
93%
Shooters World Long Rifle
<<locked>>
81%
32996
60%
**91
95%
Shooters World Match Rifle
<<locked>>
81%
44338
80%
**92
100%
Shooters World Precision
<<locked>>
81%
40350
73%
**16
100%
Somchem S335
<<locked>>
81%
45194
82%
**26
100%
Somchem S341
<<locked>>
81%
44904
81%
**95
100%
Somchem S355
<<locked>>
81%
36187
66%
**70
99%
[Somchem S361]*
<<locked>>
92%
39117
71%
**00
90%
Somchem S365
<<locked>>
81%
26237
48%
**42
97%
[Somchem S385]*
<<locked>>
87%
29602
54%
**69
90%
Vihtavuori N133
<<locked>>
81%
43091
78%
**77
100%
Vihtavuori N135
<<locked>>
81%
35331
64%
**14
100%
Vihtavuori N140
<<locked>>
81%
41756
76%
**16
100%
Vihtavuori N150
<<locked>>
81%
30966
56%
**55
99%
Vihtavuori N160
<<locked>>
81%
31676
57%
**01
96%
[Vihtavuori N165]*
<<locked>>
94%
31459
57%
**88
90%
Vihtavuori N540
<<locked>>
81%
41191
75%
**33
100%
Vihtavuori N550
<<locked>>
81%
32053
58%
**37
96%
[Vihtavuori N555]*
<<locked>>
81%
22437
41%
**44
91%
Winchester 6.5 StaBALL
<<locked>>
81%
30356
55%
**62
97%
[Winchester 760]*
<<locked>>
81%
33750
61%
**70
93%
[Winchester StaBALL HD]*
<<locked>>
86%
21930
40%
**44
90%
[Winchester Supreme 780]*
<<locked>>
90%
33257
60%
**28
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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