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Load data for 7.5 x 55 SWISS + .308 | 170gr | Lapua Lock Base

Recommended Powder(s):

7.5 x 55 SWISS + .308 | 170gr | Lapua Lock Base

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 170gr | Lapua Lock Base
Manufacturer SKU:
4PL7086 | B476
Bullet Weight:
170gr | 11.0g
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_B3155_C1112
Last updated:
2026-01-31
Recommended Twist Rate:
1:14 - 1:11

Load data for 166 loads in caliber 7.5 x 55 SWISS with .308 | 170gr | Lapua Lock Base bullet and 83 powder(s). 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>>
85%
48762
88%
**38
99%
ADI AR 2208
<<locked>>
91%
49066
89%
**28
99%
Accurate 2200
<<locked>>
84%
49313
89%
**15
98%
Accurate 2495
<<locked>>
85%
49197
89%
**21
100%
Accurate 2520
<<locked>>
84%
48791
89%
**35
100%
Accurate 2700
<<locked>>
91%
49037
89%
**66
95%
Accurate 4064
<<locked>>
90%
48820
89%
**35
100%
Accurate 4350
<<locked>>
97%
45527
83%
**57
98%
Alliant AR-Comp
<<locked>>
84%
49545
90%
**08
100%
Alliant Power Pro 2000-MR
<<locked>>
88%
49284
89%
**59
99%
Alliant Reloder- TS 15.5
<<locked>>
91%
48907
89%
**61
100%
Alliant Reloder-15
<<locked>>
88%
49081
89%
**64
99%
Alliant Reloder-16
<<locked>>
96%
45107
82%
**64
98%
Alliant Reloder-17 👍
<<locked>>
95%
48994
89%
**62
100%
Alliant Reloder-23
<<locked>>
97%
32401
59%
**05
95%
[Alliant Reloder-26]*
<<locked>>
97%
35302
64%
**23
93%
Baschieri & Pellagri 107
<<locked>>
86%
49226
89%
**67
99%
Bofors RP3 👍
<<locked>>
91%
49559
90%
**80
100%
Bofors RP7
<<locked>>
95%
49342
90%
**21
95%
Hodgdon BL-C2
<<locked>>
84%
49472
90%
**74
100%
Hodgdon CFE223
<<locked>>
89%
49153
89%
**07
99%
Hodgdon H380
<<locked>>
90%
48979
89%
**57
98%
Hodgdon H414
<<locked>>
94%
49226
89%
**13
96%
[Hodgdon H4350]*
<<locked>>
97%
44193
80%
**59
94%
Hodgdon H4895
<<locked>>
85%
49342
90%
**54
100%
Hodgdon Hybrid 100V
<<locked>>
96%
41292
75%
**52
98%
Hodgdon LVR
<<locked>>
96%
48849
89%
**94
98%
Hodgdon Superperformance
<<locked>>
96%
48834
89%
**20
95%
Hodgdon VARGET
<<locked>>
91%
49371
90%
**31
99%
IMR 3031
<<locked>>
88%
48733
88%
**48
100%
IMR 4064
<<locked>>
91%
48994
89%
**21
99%
IMR 4166 Enduron
<<locked>>
91%
48660
88%
**89
96%
[IMR 4350]*
<<locked>>
96%
46224
84%
**95
94%
IMR 4451 Enduron
<<locked>>
93%
48559
88%
**15
96%
IMR 4831
<<locked>>
97%
38943
71%
**10
96%
IMR 4895
<<locked>>
88%
49327
89%
**84
99%
IMR 8208 XBR
<<locked>>
84%
49400
90%
**25
100%
Lovex D073.6
<<locked>>
86%
48791
89%
**35
100%
Lovex S060
<<locked>>
85%
48979
89%
**82
99%
Lovex S062
<<locked>>
89%
49211
89%
**31
100%
Lovex S065
<<locked>>
96%
49139
89%
**31
97%
Lovex S070
<<locked>>
97%
48124
87%
**31
96%
Norma 201
<<locked>>
86%
48747
88%
**12
100%
Norma 202
<<locked>>
86%
48791
89%
**15
100%
Norma 203B
<<locked>>
89%
49095
89%
**71
99%
[Norma 204]*
<<locked>>
97%
46296
84%
**25
92%
Norma URP
<<locked>>
97%
45687
83%
**54
98%
Ramshot Big Game
<<locked>>
89%
49197
89%
**87
99%
Ramshot Hunter
<<locked>>
97%
44599
81%
**41
96%
Ramshot TAC
<<locked>>
84%
49037
89%
**18
97%
Ramshot Wild Boar
<<locked>>
84%
49182
89%
**54
99%
ReloadSwiss RS 50
<<locked>>
90%
49139
89%
**28
96%
ReloadSwiss RS 52
<<locked>>
87%
49530
90%
**40
99%
ReloadSwiss RS 60 👍
<<locked>>
93%
49255
89%
**72
100%
ReloadSwiss RS 62
<<locked>>
96%
45237
82%
**74
98%
ReloadSwiss RS 70
<<locked>>
97%
45774
83%
**87
97%
Rottweil R 901
<<locked>>
83%
49487
90%
**95
100%
Rottweil R 902
<<locked>>
88%
49081
89%
**05
100%
Rottweil R 903 👍
<<locked>>
93%
49501
90%
**67
100%
Rottweil R 907
<<locked>>
95%
49342
90%
**21
95%
SNPE Vectan SP 11 👍
<<locked>>
92%
49153
89%
**97
99%
SNPE Vectan SP 7
<<locked>>
85%
49284
89%
**31
98%
SNPE Vectan SP 9
<<locked>>
87%
49530
90%
**48
99%
SNPE Vectan Tubal 3000
<<locked>>
85%
49153
89%
**39
100%
SNPE Vectan Tubal 5000
<<locked>>
91%
48950
89%
**43
100%
SNPE Vectan Tubal 7000
<<locked>>
95%
48747
88%
**75
96%
Shooters World Long Rifle
<<locked>>
96%
49139
89%
**31
97%
Shooters World Match Rifle
<<locked>>
86%
48791
89%
**35
100%
Shooters World Precision
<<locked>>
89%
49211
89%
**31
100%
Somchem S335
<<locked>>
85%
48936
89%
**49
100%
Somchem S341
<<locked>>
85%
49284
89%
**35
99%
Somchem S355
<<locked>>
93%
49545
90%
**61
100%
Somchem S365
<<locked>>
96%
40321
73%
**98
99%
Vihtavuori N133
<<locked>>
87%
49443
90%
**36
100%
Vihtavuori N135
<<locked>>
94%
49153
89%
**95
100%
Vihtavuori N140
<<locked>>
88%
49530
90%
**98
100%
Vihtavuori N150
<<locked>>
97%
47630
86%
**98
100%
Vihtavuori N160
<<locked>>
96%
48892
89%
**67
98%
Vihtavuori N540
<<locked>>
88%
49458
90%
**25
100%
Vihtavuori N550
<<locked>>
96%
48704
88%
**03
98%
Vihtavuori N555
<<locked>>
97%
34490
63%
**84
95%
Winchester 6.5 StaBALL
<<locked>>
97%
48921
89%
**44
100%
Winchester 760
<<locked>>
94%
49226
89%
**13
96%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
42888
78%
**36
98%
ADI AR 2208
<<locked>>
81%
36579
66%
**95
96%
Accurate 2200
<<locked>>
81%
45121
82%
**46
98%
Accurate 2495
<<locked>>
81%
43932
80%
**39
100%
Accurate 2520
<<locked>>
81%
44353
80%
**66
100%
[Accurate 2700]*
<<locked>>
82%
36143
66%
**26
90%
Accurate 4064
<<locked>>
81%
36999
67%
**34
100%
[Accurate 4350]*
<<locked>>
81%
26455
48%
**28
90%
Alliant AR-Comp
<<locked>>
81%
44831
81%
**39
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
38827
70%
**52
96%
Alliant Reloder- TS 15.5
<<locked>>
81%
35882
65%
**15
98%
Alliant Reloder-15
<<locked>>
81%
38508
70%
**74
97%
[Alliant Reloder-16]*
<<locked>>
81%
28195
51%
**51
91%
Alliant Reloder-17
<<locked>>
81%
30980
56%
**72
95%
[Alliant Reloder-23]*
<<locked>>
89%
25367
46%
**95
91%
[Alliant Reloder-26]*
<<locked>>
92%
30168
55%
**82
90%
Baschieri & Pellagri 107
<<locked>>
81%
41945
76%
**36
97%
Bofors RP3
<<locked>>
81%
35259
64%
**11
98%
[Bofors RP7]*
<<locked>>
83%
34983
63%
**43
90%
Hodgdon BL-C2
<<locked>>
81%
44411
81%
**92
99%
Hodgdon CFE223
<<locked>>
81%
36825
67%
**67
96%
Hodgdon H380
<<locked>>
81%
36289
66%
**15
95%
[Hodgdon H414]*
<<locked>>
83%
33533
61%
**88
90%
[Hodgdon H4350]*
<<locked>>
90%
35723
65%
**82
90%
Hodgdon H4895
<<locked>>
81%
43366
79%
**52
99%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
25628
46%
**65
92%
[Hodgdon LVR]*
<<locked>>
81%
30240
55%
**00
91%
[Hodgdon Superperformance]*
<<locked>>
88%
36535
66%
**64
90%
Hodgdon VARGET
<<locked>>
81%
36303
66%
**88
96%
IMR 3031
<<locked>>
81%
39276
71%
**90
100%
IMR 4064
<<locked>>
81%
35723
65%
**65
96%
[IMR 4166 Enduron]*
<<locked>>
81%
35940
65%
**33
91%
[IMR 4350]*
<<locked>>
88%
35331
64%
**72
90%
[IMR 4451 Enduron]*
<<locked>>
81%
33997
62%
**20
90%
[IMR 4831]*
<<locked>>
84%
26208
48%
**98
90%
IMR 4895
<<locked>>
81%
39494
72%
**03
98%
IMR 8208 XBR
<<locked>>
81%
45121
82%
**49
99%
Lovex D073.6
<<locked>>
81%
41785
76%
**23
100%
Lovex S060
<<locked>>
81%
43221
78%
**80
98%
Lovex S062
<<locked>>
81%
38029
69%
**31
98%
[Lovex S065]*
<<locked>>
81%
31357
57%
**67
91%
[Lovex S070]*
<<locked>>
84%
32242
58%
**10
90%
Norma 201
<<locked>>
81%
42119
76%
**97
99%
Norma 202
<<locked>>
81%
42192
77%
**03
100%
Norma 203B
<<locked>>
81%
38029
69%
**64
97%
[Norma 204]*
<<locked>>
92%
40074
73%
**03
90%
[Norma URP]*
<<locked>>
81%
27702
50%
**41
91%
Ramshot Big Game
<<locked>>
81%
37333
68%
**70
97%
[Ramshot Hunter]*
<<locked>>
86%
31865
58%
**52
90%
Ramshot TAC
<<locked>>
81%
44860
81%
**49
96%
Ramshot Wild Boar
<<locked>>
81%
44121
80%
**69
99%
[ReloadSwiss RS 50]*
<<locked>>
81%
36825
67%
**95
93%
ReloadSwiss RS 52
<<locked>>
81%
39987
73%
**66
97%
ReloadSwiss RS 60
<<locked>>
81%
32982
60%
**34
98%
[ReloadSwiss RS 62]*
<<locked>>
82%
27427
50%
**64
90%
[ReloadSwiss RS 70]*
<<locked>>
85%
31009
56%
**43
90%
Rottweil R 901
<<locked>>
81%
46064
84%
**36
100%
Rottweil R 902
<<locked>>
81%
40103
73%
**48
99%
Rottweil R 903
<<locked>>
81%
33098
60%
**59
97%
[Rottweil R 907]*
<<locked>>
83%
34983
63%
**43
90%
SNPE Vectan SP 11
<<locked>>
81%
34316
62%
**05
96%
SNPE Vectan SP 7
<<locked>>
81%
43163
78%
**26
97%
SNPE Vectan SP 9
<<locked>>
81%
41249
75%
**07
98%
SNPE Vectan Tubal 3000
<<locked>>
81%
43758
79%
**54
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
36274
66%
**33
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
83%
32503
59%
**74
90%
[Shooters World Long Rifle]*
<<locked>>
81%
31357
57%
**67
91%
Shooters World Match Rifle
<<locked>>
81%
41785
76%
**23
100%
Shooters World Precision
<<locked>>
81%
38029
69%
**31
98%
Somchem S335
<<locked>>
81%
43221
78%
**61
100%
Somchem S341
<<locked>>
81%
42525
77%
**20
98%
Somchem S355
<<locked>>
81%
34301
62%
**69
97%
[Somchem S365]*
<<locked>>
81%
24526
45%
**82
93%
Vihtavuori N133
<<locked>>
81%
40944
74%
**05
100%
Vihtavuori N135
<<locked>>
81%
33388
61%
**26
100%
Vihtavuori N140
<<locked>>
81%
39610
72%
**38
100%
Vihtavuori N150
<<locked>>
81%
29109
53%
**28
96%
[Vihtavuori N160]*
<<locked>>
81%
30124
55%
**83
92%
Vihtavuori N540
<<locked>>
81%
39117
71%
**54
100%
[Vihtavuori N550]*
<<locked>>
81%
30168
55%
**13
92%
[Vihtavuori N555]*
<<locked>>
87%
25309
46%
**21
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
28935
53%
**24
94%
[Winchester 760]*
<<locked>>
83%
33533
61%
**88
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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