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Load data for 7 mm WSM + .284 | 155gr | Geco EXPRESS

Recommended Powder(s):

7 mm WSM + .284 | 155gr | Geco EXPRESS

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 155gr | Geco EXPRESS
Manufacturer SKU:
2416985
Bullet Weight:
155gr | 10.0g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.268" | 32.2mm
Caliber:
7 mm WSM load data
Case Length (l3):
2.090" | 53.1mm
Cartridge Length (C.O.L.):
2.817" | 71.6mm
Seated Depth:
0.541" | 13.7mm
Shank Seated Depth:
0.541" | 13.7mm
Case Capacity:
81.1 Grains of Water | 5.27 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B9001_C1069
Last updated:
2025-01-01

Load data for 148 loads in caliber 7 mm WSM with .284 | 155gr | Geco EXPRESS bullet and 74 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".

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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 2208
<<locked>>
84%
56927
89%
**51
100%
ADI AR 2209
<<locked>>
95%
57101
89%
**63
99%
ADI AR 2213
<<locked>>
97%
55608
87%
**76
98%
[ADI AR 2217]*
<<locked>>
97%
40582
64%
**71
94%
ADI AR 2225
<<locked>>
97%
36071
57%
**25
96%
Accurate 2700
<<locked>>
85%
56681
89%
**25
99%
Accurate 3100
<<locked>>
97%
54998
86%
**71
100%
Accurate 4350
<<locked>>
89%
57043
89%
**13
100%
Accurate MAGPRO
<<locked>>
97%
54027
85%
**63
96%
Alliant Reloder- TS 15.5
<<locked>>
83%
57261
90%
**67
100%
Alliant Reloder-16
<<locked>>
90%
56753
89%
**53
100%
Alliant Reloder-17
<<locked>>
86%
57319
90%
**69
100%
Alliant Reloder-19
<<locked>>
95%
57421
90%
**59
99%
Alliant Reloder-22
<<locked>>
97%
54984
86%
**63
99%
Alliant Reloder-23
<<locked>>
97%
51822
81%
**77
100%
Alliant Reloder-25
<<locked>>
97%
45339
71%
**22
100%
Alliant Reloder-26 👍
<<locked>>
95%
56869
89%
**35
100%
[Hodgdon H1000]*
<<locked>>
97%
40582
64%
**71
94%
Hodgdon H414
<<locked>>
85%
57435
90%
**49
100%
Hodgdon H4350
<<locked>>
92%
56463
88%
**81
99%
Hodgdon H4831
<<locked>>
97%
51242
80%
**31
96%
Hodgdon H4831 SC
<<locked>>
96%
57421
90%
**36
98%
Hodgdon Hybrid 100V
<<locked>>
92%
57290
90%
**84
100%
Hodgdon LVR
<<locked>>
88%
57290
90%
**23
100%
Hodgdon Retumbo
<<locked>>
97%
36071
57%
**25
96%
Hodgdon Superperformance
<<locked>>
88%
57217
90%
**79
100%
Hodgdon VARGET
<<locked>>
84%
57217
90%
**64
100%
Hodgdon TrailBoss
<<locked>>
96%
34940
55%
**62
100%
IMR 4064
<<locked>>
84%
56884
89%
**41
100%
IMR 4166 Enduron
<<locked>>
85%
57261
90%
**51
100%
IMR 4350
<<locked>>
90%
56797
89%
**90
100%
IMR 4451 Enduron
<<locked>>
87%
57392
90%
**84
100%
IMR 4831
<<locked>>
94%
56956
89%
**07
100%
IMR 4955 Enduron
<<locked>>
97%
56260
88%
**87
98%
IMR 7828 SSC
<<locked>>
97%
56869
89%
**02
98%
Lovex S065
<<locked>>
88%
56942
89%
**64
100%
Lovex S070
<<locked>>
89%
56492
89%
**84
100%
Lovex S071
<<locked>>
97%
46180
72%
**30
99%
Norma 204 👍
<<locked>>
90%
57188
90%
**36
99%
[Norma 217]*
<<locked>>
97%
31792
50%
**36
93%
Norma MRP 👍
<<locked>>
96%
57072
89%
**25
100%
Norma URP
<<locked>>
90%
57363
90%
**30
100%
Ramshot Hunter 👍
<<locked>>
90%
57116
89%
**46
100%
Ramshot Magnum
<<locked>>
97%
53374
84%
**20
99%
ReloadSwiss RS 14
<<locked>>
97%
36056
57%
**11
100%
ReloadSwiss RS 60
<<locked>>
87%
57101
89%
**86
100%
ReloadSwiss RS 62
<<locked>>
89%
56869
89%
**36
100%
ReloadSwiss RS 70
<<locked>>
90%
56623
89%
**95
100%
ReloadSwiss RS 76
<<locked>>
97%
43961
69%
**51
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
39392
62%
**13
92%
Rottweil R 903
<<locked>>
85%
57319
90%
**64
100%
Rottweil R 904
<<locked>>
94%
57203
90%
**04
98%
Rottweil R 905
<<locked>>
95%
56855
89%
**43
99%
Rottweil R 907
<<locked>>
87%
56797
89%
**71
100%
SNPE Vectan SP 11
<<locked>>
84%
57000
89%
**00
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
57217
90%
**36
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
56840
89%
**22
100%
Shooters World Long Rifle
<<locked>>
88%
56942
89%
**64
100%
Somchem S355
<<locked>>
85%
57188
90%
**58
100%
Somchem S361
<<locked>>
93%
56724
89%
**64
98%
Somchem S365
<<locked>>
92%
57145
90%
**23
100%
Somchem S385
<<locked>>
95%
56840
89%
**13
100%
Vihtavuori N135
<<locked>>
86%
56681
89%
**59
100%
Vihtavuori N150
<<locked>>
90%
57276
90%
**18
100%
Vihtavuori N160
<<locked>>
87%
57232
90%
**87
100%
Vihtavuori N165
<<locked>>
97%
51271
80%
**08
99%
Vihtavuori N550
<<locked>>
87%
56695
89%
**20
100%
Vihtavuori N555
<<locked>>
96%
56898
89%
**46
100%
Vihtavuori N560
<<locked>>
97%
55187
86%
**82
98%
Vihtavuori N565
<<locked>>
97%
46978
74%
**28
96%
[Vihtavuori N568]*
<<locked>>
97%
41031
64%
**43
92%
Winchester 6.5 StaBALL
<<locked>>
89%
56782
89%
**51
100%
Winchester 760
<<locked>>
85%
57435
90%
**49
100%
Winchester StaBALL HD 👍
<<locked>>
97%
47732
75%
**49
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
52025
82%
**79
100%
[ADI AR 2209]*
<<locked>>
81%
36637
57%
**66
94%
[ADI AR 2213]*
<<locked>>
81%
33011
52%
**84
90%
[ADI AR 2217]*
<<locked>>
91%
33359
52%
**87
90%
[ADI AR 2225]*
<<locked>>
89%
27862
44%
**72
90%
Accurate 2700
<<locked>>
81%
50473
79%
**23
99%
Accurate 3100
<<locked>>
81%
32387
51%
**38
96%
Accurate 4350
<<locked>>
81%
43772
69%
**03
100%
[Accurate MAGPRO]*
<<locked>>
86%
36869
58%
**18
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
53171
83%
**02
100%
Alliant Reloder-16
<<locked>>
81%
41756
65%
**03
100%
Alliant Reloder-17
<<locked>>
81%
48240
76%
**31
100%
[Alliant Reloder-19]*
<<locked>>
81%
36622
57%
**59
94%
[Alliant Reloder-22]*
<<locked>>
81%
32169
50%
**90
92%
Alliant Reloder-23
<<locked>>
81%
30908
48%
**64
99%
[Alliant Reloder-25]*
<<locked>>
81%
27238
43%
**56
93%
Alliant Reloder-26
<<locked>>
81%
33533
53%
**89
98%
[Hodgdon H1000]*
<<locked>>
91%
33359
52%
**87
90%
Hodgdon H414
<<locked>>
81%
49414
77%
**18
99%
Hodgdon H4350
<<locked>>
81%
40277
63%
**92
97%
[Hodgdon H4831]*
<<locked>>
84%
33721
53%
**67
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
34040
53%
**77
90%
Hodgdon Hybrid 100V
<<locked>>
81%
39378
62%
**92
100%
Hodgdon LVR
<<locked>>
81%
46180
72%
**43
100%
[Hodgdon Retumbo]*
<<locked>>
89%
27862
44%
**72
90%
Hodgdon Superperformance
<<locked>>
81%
44686
70%
**69
98%
Hodgdon VARGET
<<locked>>
81%
51735
81%
**79
100%
Hodgdon TrailBoss
<<locked>>
84%
29211
46%
**40
100%
IMR 4064
<<locked>>
81%
51343
80%
**62
100%
IMR 4166 Enduron
<<locked>>
81%
50227
79%
**43
99%
IMR 4350
<<locked>>
81%
42424
66%
**31
97%
IMR 4451 Enduron
<<locked>>
81%
48196
76%
**26
99%
IMR 4831
<<locked>>
81%
37898
59%
**62
99%
[IMR 4955 Enduron]*
<<locked>>
81%
34664
54%
**61
91%
[IMR 7828 SSC]*
<<locked>>
81%
33127
52%
**00
90%
Lovex S065
<<locked>>
81%
45861
72%
**77
99%
Lovex S070
<<locked>>
81%
44077
69%
**67
98%
[Lovex S071]*
<<locked>>
81%
27818
44%
**13
93%
Norma 204
<<locked>>
81%
42061
66%
**61
96%
[Norma 217]*
<<locked>>
93%
27818
44%
**11
90%
Norma MRP
<<locked>>
81%
33649
53%
**52
95%
Norma URP
<<locked>>
81%
42975
67%
**90
100%
Ramshot Hunter
<<locked>>
81%
41843
66%
**80
98%
[Ramshot Magnum]*
<<locked>>
81%
29675
46%
**05
91%
ReloadSwiss RS 14
<<locked>>
81%
28514
45%
**50
100%
ReloadSwiss RS 60
<<locked>>
81%
46485
73%
**22
100%
ReloadSwiss RS 62
<<locked>>
81%
43381
68%
**17
100%
ReloadSwiss RS 70
<<locked>>
81%
41611
65%
**23
99%
[ReloadSwiss RS 76]*
<<locked>>
84%
28123
44%
**05
90%
[ReloadSwiss RS 80]*
<<locked>>
94%
35824
56%
**31
90%
Rottweil R 903
<<locked>>
81%
50807
80%
**72
100%
[Rottweil R 904]*
<<locked>>
81%
38116
60%
**52
93%
[Rottweil R 905]*
<<locked>>
81%
35650
56%
**43
94%
Rottweil R 907
<<locked>>
81%
47021
74%
**07
98%
SNPE Vectan SP 11
<<locked>>
81%
51996
81%
**28
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
51503
81%
**57
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
44831
70%
**28
98%
Shooters World Long Rifle
<<locked>>
81%
45861
72%
**77
99%
Somchem S355
<<locked>>
81%
50821
80%
**62
100%
[Somchem S361]*
<<locked>>
81%
38450
60%
**33
93%
Somchem S365
<<locked>>
81%
39624
62%
**41
100%
Somchem S385
<<locked>>
81%
36172
57%
**26
95%
Vihtavuori N135
<<locked>>
81%
49414
77%
**57
100%
Vihtavuori N150
<<locked>>
81%
43758
69%
**12
100%
Vihtavuori N160
<<locked>>
81%
46354
73%
**17
100%
[Vihtavuori N165]*
<<locked>>
81%
30530
48%
**75
92%
Vihtavuori N550
<<locked>>
81%
46731
73%
**59
100%
Vihtavuori N555
<<locked>>
81%
34635
54%
**43
99%
[Vihtavuori N560]*
<<locked>>
82%
33881
53%
**36
90%
[Vihtavuori N565]*
<<locked>>
86%
32358
51%
**00
90%
[Vihtavuori N568]*
<<locked>>
94%
36970
58%
**38
90%
Winchester 6.5 StaBALL
<<locked>>
81%
43308
68%
**44
100%
Winchester 760
<<locked>>
81%
49414
77%
**18
99%
Winchester StaBALL HD
<<locked>>
81%
25498
40%
**54
98%

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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