top of page

Load data for 7.5 x 55 SWISS + .308 | 150gr | Speer Grand Slam

Recommended Powder(s): Alliant Reloder- TS 15.5, Norma 203B, Ramshot Big Game, ReloadSwiss RS 52, Somchem S355

7.5 x 55 SWISS + .308 | 150gr | Speer Grand Slam

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 150gr | Speer Grand Slam
Manufacturer SKU:
2026
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.020" | 25.9mm
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:
0.195" | 5.0mm
Shank Seated Depth:
0.195" | 5.0mm
Case Capacity:
65.0 Grains of Water | 4.22 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
55114 psi | 3800 bar
LID:
LID_B6149_C1112
Last updated:
2025-01-01

Load data for 168 loads in caliber 7.5 x 55 SWISS with .308 | 150gr | Speer Grand Slam bullet and 84 powders such as Alliant Reloder- TS 15.5, Norma 203B, Ramshot Big Game, ReloadSwiss RS 52, Somchem S355. 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.

    .

    Loading_icon.gif

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%
49501
90%
**28
99%
ADI AR 2208
<<locked>>
92%
49458
90%
**05
98%
Accurate 2200
<<locked>>
85%
49559
90%
**89
97%
Accurate 2495
<<locked>>
86%
49559
90%
**15
100%
Accurate 2520
<<locked>>
86%
49472
90%
**31
100%
[Accurate 2700]*
<<locked>>
93%
48675
88%
**26
93%
Accurate 4064
<<locked>>
92%
49414
90%
**31
100%
Accurate 4350
<<locked>>
97%
43149
78%
**82
96%
Alliant AR-Comp
<<locked>>
85%
49153
89%
**99
100%
Alliant Reloder- TS 15.5 👍
<<locked>>
93%
49327
89%
**41
99%
Alliant Reloder-15
<<locked>>
90%
49472
90%
**51
98%
Alliant Reloder-16
<<locked>>
97%
43134
78%
**85
96%
Alliant Reloder-17
<<locked>>
97%
49371
90%
**40
99%
[Alliant Reloder-23]*
<<locked>>
97%
30342
55%
**93
92%
Baschieri & Pellagri 107
<<locked>>
87%
48950
89%
**35
98%
Hodgdon BL-C2
<<locked>>
86%
49081
89%
**48
99%
Hodgdon Benchmark
<<locked>>
84%
49052
89%
**53
100%
Hodgdon CFE223
<<locked>>
91%
49545
90%
**87
98%
Hodgdon H322
<<locked>>
83%
48921
89%
**95
100%
Hodgdon H380
<<locked>>
92%
49037
89%
**31
97%
Hodgdon H414
<<locked>>
95%
49284
89%
**84
95%
Hodgdon Hybrid 100V
<<locked>>
97%
39537
72%
**77
97%
Hodgdon LVR
<<locked>>
97%
47645
86%
**48
96%
[Hodgdon Superperformance]*
<<locked>>
97%
47529
86%
**51
93%
Hodgdon VARGET
<<locked>>
92%
48863
89%
**99
98%
Hodgdon TrailBoss
<<locked>>
96%
32866
60%
**26
100%
IMR 3031
<<locked>>
90%
49574
90%
**48
100%
IMR 4064
<<locked>>
93%
49313
89%
**05
98%
IMR 4166 Enduron
<<locked>>
93%
49269
89%
**66
95%
[IMR 4350]*
<<locked>>
97%
44570
81%
**30
92%
[IMR 4451 Enduron]*
<<locked>>
95%
49574
90%
**95
94%
[IMR 4831]*
<<locked>>
97%
37028
67%
**38
94%
IMR 4895
<<locked>>
89%
48834
89%
**54
99%
IMR 8208 XBR
<<locked>>
85%
49530
90%
**02
99%
Lovex D073.6
<<locked>>
87%
48950
89%
**25
100%
Lovex S060
<<locked>>
87%
49385
90%
**62
99%
Lovex S062
<<locked>>
91%
48994
89%
**02
99%
Lovex S065
<<locked>>
97%
48153
87%
**89
96%
[Lovex S070]*
<<locked>>
97%
45672
83%
**56
94%
Norma 201
<<locked>>
88%
49400
90%
**99
99%
Norma 202
<<locked>>
87%
49052
89%
**02
100%
Norma 203B 👍
<<locked>>
91%
49400
90%
**48
99%
Norma URP
<<locked>>
97%
42989
78%
**76
96%
Ramshot Big Game 👍
<<locked>>
91%
49400
90%
**64
99%
[Ramshot Hunter]*
<<locked>>
97%
42714
77%
**59
94%
Ramshot TAC
<<locked>>
85%
49182
89%
**92
96%
Ramshot Wild Boar
<<locked>>
86%
49255
89%
**35
99%
ReloadSwiss RS 14
<<locked>>
97%
33794
61%
**78
100%
ReloadSwiss RS 50
<<locked>>
92%
49588
90%
**08
95%
ReloadSwiss RS 52 👍
<<locked>>
91%
49298
89%
**81
100%
ReloadSwiss RS 60
<<locked>>
97%
47848
87%
**27
100%
ReloadSwiss RS 62
<<locked>>
97%
42670
77%
**92
96%
ReloadSwiss RS 70
<<locked>>
97%
44135
80%
**15
95%
Rottweil R 901
<<locked>>
84%
48762
88%
**62
100%
Rottweil R 902
<<locked>>
89%
48863
89%
**79
99%
Rottweil R 903
<<locked>>
95%
49472
90%
**44
99%
[Rottweil R 907]*
<<locked>>
96%
49284
89%
**85
94%
SNPE Vectan SP 11
<<locked>>
94%
49052
89%
**71
99%
SNPE Vectan SP 7
<<locked>>
86%
49487
90%
**08
97%
SNPE Vectan SP 9
<<locked>>
88%
49081
89%
**22
99%
SNPE Vectan Tubal 3000
<<locked>>
86%
49255
89%
**20
100%
SNPE Vectan Tubal 5000
<<locked>>
93%
49385
90%
**23
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
97%
48240
88%
**33
94%
Shooters World Long Rifle
<<locked>>
97%
48153
87%
**89
96%
Shooters World Match Rifle
<<locked>>
87%
48950
89%
**25
100%
Shooters World Precision
<<locked>>
91%
48994
89%
**02
99%
Somchem S321
<<locked>>
83%
49530
90%
**22
100%
Somchem S335
<<locked>>
87%
49603
90%
**40
100%
Somchem S341
<<locked>>
86%
49124
89%
**05
99%
Somchem S355 👍
<<locked>>
94%
49429
90%
**38
99%
Somchem S365
<<locked>>
97%
38638
70%
**26
98%
Vihtavuori N130
<<locked>>
83%
49487
90%
**07
100%
Vihtavuori N133
<<locked>>
88%
48762
88%
**13
100%
Vihtavuori N135
<<locked>>
95%
49095
89%
**76
100%
Vihtavuori N140
<<locked>>
89%
49008
89%
**76
100%
Vihtavuori N150
<<locked>>
97%
44831
81%
**30
99%
Vihtavuori N160
<<locked>>
97%
47456
86%
**15
97%
Vihtavuori N530
<<locked>>
84%
49429
90%
**08
99%
Vihtavuori N540
<<locked>>
90%
49052
89%
**08
100%
Vihtavuori N550
<<locked>>
97%
48327
88%
**67
97%
[Vihtavuori N555]*
<<locked>>
97%
32198
58%
**69
93%
Winchester 6.5 StaBALL
<<locked>>
97%
46282
84%
**62
99%
Winchester 748
<<locked>>
83%
48646
88%
**38
100%
Winchester 760
<<locked>>
95%
49284
89%
**84
95%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
41017
74%
**64
97%
[ADI AR 2208]*
<<locked>>
81%
34838
63%
**07
94%
Accurate 2200
<<locked>>
81%
43149
78%
**71
96%
Accurate 2495
<<locked>>
81%
41147
75%
**71
100%
Accurate 2520
<<locked>>
81%
42105
76%
**97
99%
[Accurate 2700]*
<<locked>>
86%
39581
72%
**56
90%
Accurate 4064
<<locked>>
81%
34606
63%
**49
99%
[Accurate 4350]*
<<locked>>
85%
28892
52%
**48
90%
Alliant AR-Comp
<<locked>>
81%
42293
77%
**87
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
33953
62%
**33
96%
Alliant Reloder-15
<<locked>>
81%
36695
67%
**92
95%
[Alliant Reloder-16]*
<<locked>>
85%
30734
56%
**67
90%
[Alliant Reloder-17]*
<<locked>>
81%
29356
53%
**61
92%
[Alliant Reloder-23]*
<<locked>>
93%
27615
50%
**98
90%
Baschieri & Pellagri 107
<<locked>>
81%
39813
72%
**61
95%
Hodgdon BL-C2
<<locked>>
81%
42061
76%
**20
98%
Hodgdon Benchmark
<<locked>>
81%
45063
82%
**84
99%
[Hodgdon CFE223]*
<<locked>>
81%
35172
64%
**85
93%
Hodgdon H322
<<locked>>
81%
45513
83%
**33
100%
[Hodgdon H380]*
<<locked>>
81%
34374
62%
**20
92%
[Hodgdon H414]*
<<locked>>
87%
37362
68%
**38
90%
[Hodgdon Hybrid 100V]*
<<locked>>
83%
26020
47%
**10
90%
[Hodgdon LVR]*
<<locked>>
84%
31836
58%
**90
90%
[Hodgdon Superperformance]*
<<locked>>
92%
40683
74%
**03
90%
[Hodgdon VARGET]*
<<locked>>
81%
34606
63%
**03
94%
Hodgdon TrailBoss
<<locked>>
87%
29196
53%
**50
100%
IMR 3031
<<locked>>
81%
36753
67%
**15
100%
[IMR 4064]*
<<locked>>
81%
34055
62%
**87
94%
[IMR 4166 Enduron]*
<<locked>>
83%
36840
67%
**03
90%
[IMR 4350]*
<<locked>>
92%
38928
71%
**05
90%
[IMR 4451 Enduron]*
<<locked>>
86%
37753
68%
**56
90%
[IMR 4831]*
<<locked>>
89%
28950
53%
**18
90%
IMR 4895
<<locked>>
81%
37608
68%
**25
96%
IMR 8208 XBR
<<locked>>
81%
43091
78%
**87
99%
Lovex D073.6
<<locked>>
81%
39537
72%
**51
99%
Lovex S060
<<locked>>
81%
41626
76%
**18
97%
Lovex S062
<<locked>>
81%
36361
66%
**59
97%
[Lovex S065]*
<<locked>>
84%
32416
59%
**48
90%
[Lovex S070]*
<<locked>>
89%
36434
66%
**62
90%
Norma 201
<<locked>>
81%
40016
73%
**25
98%
Norma 202
<<locked>>
81%
40132
73%
**35
100%
Norma 203B
<<locked>>
81%
36216
66%
**85
96%
[Norma URP]*
<<locked>>
85%
29675
54%
**48
90%
Ramshot Big Game
<<locked>>
81%
35592
65%
**85
95%
[Ramshot Hunter]*
<<locked>>
91%
35404
64%
**95
90%
Ramshot TAC
<<locked>>
81%
42931
78%
**71
95%
Ramshot Wild Boar
<<locked>>
81%
42134
76%
**03
97%
ReloadSwiss RS 14
<<locked>>
83%
27282
49%
**44
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
35114
64%
**07
90%
ReloadSwiss RS 52
<<locked>>
81%
34316
62%
**85
97%
[ReloadSwiss RS 60]*
<<locked>>
81%
28761
52%
**41
92%
[ReloadSwiss RS 62]*
<<locked>>
87%
30676
56%
**97
90%
[ReloadSwiss RS 70]*
<<locked>>
90%
34635
63%
**89
90%
Rottweil R 901
<<locked>>
81%
43976
80%
**80
100%
Rottweil R 902
<<locked>>
81%
38072
69%
**72
97%
[Rottweil R 903]*
<<locked>>
81%
31415
57%
**70
94%
[Rottweil R 907]*
<<locked>>
88%
38638
70%
**79
90%
[SNPE Vectan SP 11]*
<<locked>>
81%
32474
59%
**13
94%
SNPE Vectan SP 7
<<locked>>
81%
40872
74%
**41
95%
SNPE Vectan SP 9
<<locked>>
81%
39450
72%
**28
96%
SNPE Vectan Tubal 3000
<<locked>>
81%
41829
76%
**95
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
34563
63%
**57
99%
[SNPE Vectan Tubal 7000]*
<<locked>>
88%
35810
65%
**00
90%
[Shooters World Long Rifle]*
<<locked>>
84%
32416
59%
**48
90%
Shooters World Match Rifle
<<locked>>
81%
39537
72%
**51
99%
Shooters World Precision
<<locked>>
81%
36361
66%
**59
97%
Somchem S321
<<locked>>
81%
46253
84%
**59
99%
Somchem S335
<<locked>>
81%
41060
74%
**95
100%
Somchem S341
<<locked>>
81%
40509
74%
**41
97%
Somchem S355
<<locked>>
81%
32285
59%
**74
95%
[Somchem S365]*
<<locked>>
82%
24250
44%
**06
90%
Vihtavuori N130
<<locked>>
81%
46209
84%
**54
100%
Vihtavuori N133
<<locked>>
81%
39349
71%
**52
100%
Vihtavuori N135
<<locked>>
81%
31459
57%
**41
99%
Vihtavuori N140
<<locked>>
81%
37521
68%
**66
99%
[Vihtavuori N150]*
<<locked>>
81%
27572
50%
**33
94%
[Vihtavuori N160]*
<<locked>>
83%
30153
55%
**25
90%
Vihtavuori N530
<<locked>>
81%
45078
82%
**40
99%
Vihtavuori N540
<<locked>>
81%
37246
68%
**79
99%
[Vihtavuori N550]*
<<locked>>
82%
29602
54%
**48
90%
[Vihtavuori N555]*
<<locked>>
93%
28355
51%
**64
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
27688
50%
**20
91%
Winchester 748
<<locked>>
81%
45556
83%
**82
99%
[Winchester 760]*
<<locked>>
87%
37362
68%
**38
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

bottom of page