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Load data for 7.5 x 55 SWISS + .308 | 165gr | Barnes MRX BT

Recommended Powder(s): IMR 4895, Norma 203B, Ramshot Big Game, ReloadSwiss RS 52, Rottweil R 903

7.5 x 55 SWISS + .308 | 165gr | Barnes MRX BT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 165gr | Barnes MRX BT
Manufacturer SKU:
30885
Bullet Weight:
165gr | 10.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.320" | 33.5mm
Caliber:
7.5 x 55 SWISS load data
Case Length (l3):
2.188" | 55.6mm
Cartridge Length (C.O.L.):
3.013" | 76.5mm
Seated Depth:
0.495" | 12.6mm
Shank Seated Depth:
0.370" | 9.4mm
Case Capacity:
65.0 Grains of Water | 4.22 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
55114 psi | 3800 bar
LID:
LID_B618_C1112
Last updated:
2025-01-01
Recommended Twist Rate:
1:12 - 1:10

Load data for 170 loads in caliber 7.5 x 55 SWISS with .308 | 165gr | Barnes MRX BT bullet and 85 powders such as IMR 4895, Norma 203B, Ramshot Big Game, ReloadSwiss RS 52, Rottweil R 903. 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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  • 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>>
87%
48733
88%
**64
99%
ADI AR 2208
<<locked>>
93%
49371
90%
**51
98%
Accurate 2015
<<locked>>
84%
49443
90%
**85
100%
Accurate 2200
<<locked>>
86%
49588
90%
**35
98%
Accurate 2495
<<locked>>
87%
48863
89%
**44
100%
Accurate 2520
<<locked>>
86%
48965
89%
**64
100%
[Accurate 2700]*
<<locked>>
93%
48733
88%
**72
94%
Accurate 4064
<<locked>>
93%
49487
90%
**74
100%
Accurate 4350
<<locked>>
97%
41669
76%
**12
96%
Alliant AR-Comp
<<locked>>
86%
49168
89%
**38
100%
Alliant Reloder- TS 15.5
<<locked>>
93%
49168
89%
**80
99%
Alliant Reloder-15
<<locked>>
91%
49182
89%
**84
99%
Alliant Reloder-16
<<locked>>
96%
42105
76%
**12
96%
Alliant Reloder-17
<<locked>>
97%
48878
89%
**76
99%
[Alliant Reloder-23]*
<<locked>>
97%
30298
55%
**56
93%
Baschieri & Pellagri 107
<<locked>>
88%
48950
89%
**84
98%
Hodgdon BL-C2
<<locked>>
86%
48689
88%
**90
100%
Hodgdon Benchmark
<<locked>>
84%
49081
89%
**92
100%
Hodgdon CFE223
<<locked>>
91%
49182
89%
**23
98%
Hodgdon H322
<<locked>>
84%
48907
89%
**28
100%
Hodgdon H380
<<locked>>
92%
49081
89%
**74
97%
Hodgdon H414
<<locked>>
96%
49414
90%
**30
95%
[Hodgdon H4350]*
<<locked>>
97%
41495
75%
**16
92%
Hodgdon Hybrid 100V
<<locked>>
96%
38421
70%
**10
97%
Hodgdon LVR
<<locked>>
97%
46514
84%
**74
97%
[Hodgdon Superperformance]*
<<locked>>
97%
46180
84%
**77
93%
Hodgdon VARGET
<<locked>>
93%
48892
89%
**44
98%
IMR 3031
<<locked>>
91%
49385
90%
**80
100%
IMR 4064
<<locked>>
94%
49559
90%
**48
99%
IMR 4166 Enduron
<<locked>>
93%
49124
89%
**08
95%
[IMR 4350]*
<<locked>>
97%
43337
79%
**52
92%
IMR 4451 Enduron
<<locked>>
95%
49139
89%
**38
95%
IMR 4831
<<locked>>
97%
35897
65%
**74
95%
IMR 4895 👍
<<locked>>
90%
49356
90%
**07
99%
IMR 8208 XBR
<<locked>>
86%
49458
90%
**41
100%
Lovex D073.6
<<locked>>
88%
48965
89%
**64
100%
Lovex S060
<<locked>>
87%
49298
89%
**98
99%
Lovex S062
<<locked>>
91%
49356
90%
**57
100%
Lovex S065
<<locked>>
97%
47703
87%
**25
96%
[Lovex S070]*
<<locked>>
97%
44933
82%
**95
94%
Norma 201
<<locked>>
88%
48907
89%
**35
100%
Norma 202
<<locked>>
88%
48863
89%
**41
100%
Norma 203B 👍
<<locked>>
91%
49226
89%
**94
99%
Norma URP
<<locked>>
97%
42424
77%
**18
96%
Ramshot Big Game 👍
<<locked>>
91%
48994
89%
**07
99%
[Ramshot Hunter]*
<<locked>>
97%
41945
76%
**02
94%
Ramshot TAC
<<locked>>
85%
49226
89%
**38
97%
Ramshot Wild Boar
<<locked>>
86%
49008
89%
**74
99%
Ramshot X-Terminator
<<locked>>
83%
49443
90%
**28
99%
ReloadSwiss RS 50
<<locked>>
91%
48660
88%
**41
96%
ReloadSwiss RS 52 👍
<<locked>>
92%
49458
90%
**33
100%
ReloadSwiss RS 60
<<locked>>
97%
47761
87%
**69
100%
ReloadSwiss RS 62
<<locked>>
97%
41785
76%
**28
96%
ReloadSwiss RS 70
<<locked>>
97%
42917
78%
**38
95%
Rottweil R 901
<<locked>>
85%
49574
90%
**18
100%
Rottweil R 902
<<locked>>
90%
49095
89%
**28
100%
Rottweil R 903 👍
<<locked>>
96%
49603
90%
**97
99%
[Rottweil R 907]*
<<locked>>
96%
48979
89%
**35
94%
SNPE Vectan SP 11
<<locked>>
94%
48646
88%
**07
99%
SNPE Vectan SP 7
<<locked>>
87%
49574
90%
**48
97%
SNPE Vectan SP 9
<<locked>>
88%
48863
89%
**57
99%
SNPE Vectan Tubal 3000
<<locked>>
87%
49269
89%
**66
100%
SNPE Vectan Tubal 5000
<<locked>>
93%
49284
89%
**69
100%
SNPE Vectan Tubal 7000
<<locked>>
96%
47021
85%
**69
95%
Shooters World Long Rifle
<<locked>>
97%
47703
87%
**25
96%
Shooters World Match Rifle
<<locked>>
88%
48965
89%
**64
100%
Shooters World Precision
<<locked>>
91%
49356
90%
**57
100%
Somchem S321
<<locked>>
83%
49037
89%
**57
100%
Somchem S335
<<locked>>
87%
49153
89%
**75
100%
Somchem S341
<<locked>>
87%
49037
89%
**51
99%
Somchem S355
<<locked>>
95%
48820
89%
**67
99%
Somchem S365
<<locked>>
97%
37565
68%
**59
98%
Vihtavuori N130
<<locked>>
84%
49429
90%
**43
100%
Vihtavuori N133
<<locked>>
89%
48965
89%
**59
100%
Vihtavuori N135
<<locked>>
96%
49052
89%
**18
100%
Vihtavuori N140
<<locked>>
90%
49197
89%
**18
100%
Vihtavuori N150
<<locked>>
97%
44222
80%
**66
99%
Vihtavuori N160
<<locked>>
97%
46963
85%
**48
97%
Vihtavuori N530
<<locked>>
84%
49081
89%
**48
100%
Vihtavuori N540
<<locked>>
90%
48805
89%
**44
100%
Vihtavuori N550
<<locked>>
97%
47195
86%
**00
97%
[Vihtavuori N555]*
<<locked>>
97%
31459
57%
**21
93%
Winchester 6.5 StaBALL
<<locked>>
96%
45194
82%
**95
99%
Winchester 748
<<locked>>
84%
49124
89%
**87
100%
Winchester 760
<<locked>>
96%
49414
90%
**30
95%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
40466
73%
**10
97%
[ADI AR 2208]*
<<locked>>
81%
34505
63%
**62
94%
Accurate 2015
<<locked>>
81%
45934
83%
**33
100%
Accurate 2200
<<locked>>
81%
42511
77%
**13
96%
Accurate 2495
<<locked>>
81%
40799
74%
**20
100%
Accurate 2520
<<locked>>
81%
41176
75%
**36
100%
[Accurate 2700]*
<<locked>>
86%
38348
70%
**82
90%
Accurate 4064
<<locked>>
81%
34330
62%
**98
99%
[Accurate 4350]*
<<locked>>
85%
27673
50%
**83
90%
Alliant AR-Comp
<<locked>>
81%
41742
76%
**26
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
33344
60%
**75
96%
Alliant Reloder-15
<<locked>>
81%
36172
66%
**38
95%
[Alliant Reloder-16]*
<<locked>>
85%
29602
54%
**06
90%
[Alliant Reloder-17]*
<<locked>>
81%
29037
53%
**23
93%
[Alliant Reloder-23]*
<<locked>>
93%
26731
48%
**47
90%
Baschieri & Pellagri 107
<<locked>>
81%
39160
71%
**03
96%
Hodgdon BL-C2
<<locked>>
81%
40959
74%
**49
98%
Hodgdon Benchmark
<<locked>>
81%
44599
81%
**20
99%
[Hodgdon CFE223]*
<<locked>>
81%
34287
62%
**28
94%
Hodgdon H322
<<locked>>
81%
45078
82%
**72
100%
[Hodgdon H380]*
<<locked>>
81%
34142
62%
**82
93%
[Hodgdon H414]*
<<locked>>
87%
35839
65%
**61
90%
[Hodgdon H4350]*
<<locked>>
94%
37826
69%
**41
90%
[Hodgdon Hybrid 100V]*
<<locked>>
82%
24889
45%
**52
90%
[Hodgdon LVR]*
<<locked>>
83%
30516
55%
**23
90%
[Hodgdon Superperformance]*
<<locked>>
92%
38986
71%
**26
90%
[Hodgdon VARGET]*
<<locked>>
81%
34229
62%
**56
94%
IMR 3031
<<locked>>
81%
36245
66%
**61
100%
[IMR 4064]*
<<locked>>
81%
33663
61%
**36
94%
[IMR 4166 Enduron]*
<<locked>>
82%
35230
64%
**29
90%
[IMR 4350]*
<<locked>>
92%
38058
69%
**51
90%
[IMR 4451 Enduron]*
<<locked>>
85%
35911
65%
**75
90%
[IMR 4831]*
<<locked>>
88%
28007
51%
**70
90%
IMR 4895
<<locked>>
81%
37057
67%
**70
96%
IMR 8208 XBR
<<locked>>
81%
42540
77%
**20
99%
Lovex D073.6
<<locked>>
81%
38769
70%
**90
99%
Lovex S060
<<locked>>
81%
41031
74%
**54
97%
Lovex S062
<<locked>>
81%
35592
65%
**95
97%
[Lovex S065]*
<<locked>>
83%
31024
56%
**77
90%
[Lovex S070]*
<<locked>>
88%
34621
63%
**79
90%
Norma 201
<<locked>>
81%
39610
72%
**67
98%
Norma 202
<<locked>>
81%
39610
72%
**84
100%
Norma 203B
<<locked>>
81%
35694
65%
**31
96%
[Norma URP]*
<<locked>>
84%
28471
52%
**83
90%
Ramshot Big Game
<<locked>>
81%
34867
63%
**28
95%
[Ramshot Hunter]*
<<locked>>
90%
33634
61%
**08
90%
Ramshot TAC
<<locked>>
81%
42351
77%
**16
95%
Ramshot Wild Boar
<<locked>>
81%
41350
75%
**39
97%
Ramshot X-Terminator
<<locked>>
81%
45948
83%
**69
98%
[ReloadSwiss RS 50]*
<<locked>>
81%
34635
63%
**65
91%
ReloadSwiss RS 52
<<locked>>
81%
34069
62%
**41
97%
[ReloadSwiss RS 60]*
<<locked>>
81%
28224
51%
**03
93%
[ReloadSwiss RS 62]*
<<locked>>
86%
29588
54%
**43
90%
[ReloadSwiss RS 70]*
<<locked>>
89%
33025
60%
**05
90%
Rottweil R 901
<<locked>>
81%
43236
78%
**13
100%
Rottweil R 902
<<locked>>
81%
37608
68%
**21
98%
Rottweil R 903
<<locked>>
81%
30777
56%
**23
95%
[Rottweil R 907]*
<<locked>>
88%
37652
68%
**15
90%
[SNPE Vectan SP 11]*
<<locked>>
81%
32155
58%
**69
94%
SNPE Vectan SP 7
<<locked>>
81%
40147
73%
**80
95%
SNPE Vectan SP 9
<<locked>>
81%
39044
71%
**77
97%
SNPE Vectan Tubal 3000
<<locked>>
81%
41394
75%
**38
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
33924
62%
**00
99%
[SNPE Vectan Tubal 7000]*
<<locked>>
87%
34592
63%
**39
90%
[Shooters World Long Rifle]*
<<locked>>
83%
31024
56%
**77
90%
Shooters World Match Rifle
<<locked>>
81%
38769
70%
**90
99%
Shooters World Precision
<<locked>>
81%
35592
65%
**95
97%
Somchem S321
<<locked>>
81%
45513
83%
**98
99%
Somchem S335
<<locked>>
81%
40799
74%
**38
100%
Somchem S341
<<locked>>
81%
39842
72%
**87
97%
Somchem S355
<<locked>>
81%
31908
58%
**33
95%
[Somchem S365]*
<<locked>>
81%
22989
42%
**36
90%
Vihtavuori N130
<<locked>>
81%
45876
83%
**93
100%
Vihtavuori N133
<<locked>>
81%
38798
70%
**92
100%
Vihtavuori N135
<<locked>>
81%
30777
56%
**87
100%
Vihtavuori N140
<<locked>>
81%
36709
67%
**08
100%
Vihtavuori N150
<<locked>>
81%
26948
49%
**92
95%
[Vihtavuori N160]*
<<locked>>
81%
28529
52%
**51
90%
Vihtavuori N530
<<locked>>
81%
44556
81%
**69
99%
Vihtavuori N540
<<locked>>
81%
36724
67%
**28
99%
[Vihtavuori N550]*
<<locked>>
81%
28210
51%
**80
90%
[Vihtavuori N555]*
<<locked>>
92%
27050
49%
**93
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
27267
49%
**85
92%
Winchester 748
<<locked>>
81%
44773
81%
**18
100%
[Winchester 760]*
<<locked>>
87%
35839
65%
**61
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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