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Load data for .25 WSSM + .257 | 133gr | Berger Elite Hunting

Recommended Powder(s):

.25 WSSM + .257 | 133gr | Berger Elite Hunting

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.257 | 133gr | Berger Elite Hunting
Manufacturer SKU:
25586
Bullet Weight:
133gr | 8.6g
Bullet Diameter:
0.257" | 6.53mm
Bullet Length:
<<locked>>
Caliber:
.25 WSSM load data
Case Length (l3):
1.670" | 42.4mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
54.3 Grains of Water | 3.53 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B1146_C206
Last updated:
2026-01-31
Recommended Twist Rate:
1:8 - 1:7

Load data for 208 loads in caliber .25 WSSM with .257 | 133gr | Berger Elite Hunting bullet and 104 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%
57217
90%
**00
100%
ADI AR 2208
<<locked>>
90%
56333
88%
**77
100%
ADI AR 2209
<<locked>>
97%
47645
75%
**28
96%
[ADI AR 2213]*
<<locked>>
96%
41959
66%
**36
92%
Accurate 2200
<<locked>>
84%
56855
89%
**71
100%
Accurate 2495
<<locked>>
84%
57305
90%
**41
100%
Accurate 2520
<<locked>>
83%
56681
89%
**67
100%
Accurate 2700
<<locked>>
91%
56536
89%
**38
98%
Accurate 3100
<<locked>>
97%
40132
63%
**84
97%
Accurate 4064
<<locked>>
89%
56985
89%
**64
100%
Accurate 4350
<<locked>>
97%
55898
88%
**46
100%
Alliant AR-Comp
<<locked>>
83%
57130
90%
**15
100%
Alliant Power Pro 2000-MR
<<locked>>
87%
56898
89%
**15
100%
Alliant Reloder- TS 15.5
<<locked>>
90%
56550
89%
**97
100%
Alliant Reloder-15
<<locked>>
88%
57305
90%
**20
100%
Alliant Reloder-16
<<locked>>
97%
53853
84%
**53
100%
Alliant Reloder-17
<<locked>>
94%
56884
89%
**08
100%
Alliant Reloder-19
<<locked>>
97%
46644
73%
**15
96%
[Alliant Reloder-22]*
<<locked>>
96%
40147
63%
**36
94%
Alliant Reloder-23
<<locked>>
97%
38754
61%
**20
100%
Alliant Reloder-25
<<locked>>
97%
34055
53%
**11
95%
Alliant Reloder-26
<<locked>>
97%
42830
67%
**67
99%
Baschieri & Pellagri 107
<<locked>>
85%
56942
89%
**17
100%
[Bofors RP15]*
<<locked>>
97%
37869
59%
**84
93%
Bofors RP3
<<locked>>
90%
56101
88%
**97
100%
[Bofors RP5]*
<<locked>>
96%
40147
63%
**36
94%
Bofors RP7
<<locked>>
94%
56333
88%
**84
99%
Hodgdon BL-C2
<<locked>>
84%
57363
90%
**17
100%
Hodgdon CFE223
<<locked>>
89%
57217
90%
**56
100%
Hodgdon H380
<<locked>>
90%
57246
90%
**20
100%
Hodgdon H414 👍
<<locked>>
93%
57377
90%
**82
99%
Hodgdon H4350
<<locked>>
97%
51924
81%
**41
98%
[Hodgdon H4831 SC]*
<<locked>>
96%
43961
69%
**30
92%
Hodgdon H4895
<<locked>>
85%
56565
89%
**90
100%
Hodgdon Hybrid 100V
<<locked>>
96%
49588
78%
**25
100%
Hodgdon LVR
<<locked>>
95%
56710
89%
**53
100%
Hodgdon Superperformance
<<locked>>
95%
56275
88%
**99
99%
Hodgdon VARGET
<<locked>>
91%
57101
89%
**90
100%
IMR 3031
<<locked>>
87%
56492
89%
**61
100%
IMR 4064
<<locked>>
91%
56768
89%
**74
100%
IMR 4166 Enduron
<<locked>>
92%
57000
89%
**61
99%
IMR 4350
<<locked>>
97%
54955
86%
**84
98%
IMR 4451 Enduron
<<locked>>
93%
57217
90%
**97
99%
IMR 4831
<<locked>>
97%
47210
74%
**02
100%
IMR 4895
<<locked>>
88%
57406
90%
**30
100%
[IMR 4955 Enduron]*
<<locked>>
96%
43816
69%
**97
93%
[IMR 7828 SSC]*
<<locked>>
97%
43714
69%
**82
93%
IMR 8208 XBR
<<locked>>
84%
57087
89%
**64
100%
Lovex D073.6
<<locked>>
85%
57363
90%
**77
100%
Lovex S060
<<locked>>
86%
56623
89%
**31
100%
Lovex S062
<<locked>>
89%
56188
88%
**64
100%
Lovex S065
<<locked>>
95%
56666
89%
**94
100%
Lovex S070
<<locked>>
97%
57159
90%
**20
99%
Lovex S071
<<locked>>
97%
33620
53%
**43
95%
Norma 201
<<locked>>
86%
57276
90%
**64
100%
Norma 202
<<locked>>
86%
57116
90%
**48
100%
Norma 203B
<<locked>>
88%
56478
88%
**07
100%
Norma 204
<<locked>>
97%
55506
87%
**33
97%
Norma MRP
<<locked>>
97%
43149
68%
**28
97%
Norma URP
<<locked>>
97%
55376
87%
**36
100%
Ramshot Big Game
<<locked>>
88%
56217
88%
**23
100%
[Ramshot Grand]*
<<locked>>
96%
44846
70%
**18
94%
Ramshot Hunter
<<locked>>
97%
53925
84%
**33
99%
[Ramshot Magnum]*
<<locked>>
97%
39059
61%
**90
94%
Ramshot TAC
<<locked>>
84%
56797
89%
**84
100%
Ramshot Wild Boar
<<locked>>
84%
56826
89%
**00
100%
ReloadSwiss RS 50
<<locked>>
90%
57116
89%
**97
99%
ReloadSwiss RS 52
<<locked>>
86%
57188
90%
**72
100%
ReloadSwiss RS 60
<<locked>>
92%
56246
88%
**02
100%
ReloadSwiss RS 62 👍
<<locked>>
97%
55854
88%
**69
100%
ReloadSwiss RS 70 👍
<<locked>>
96%
54288
85%
**85
100%
Rottweil R 901
<<locked>>
83%
56681
89%
**18
100%
Rottweil R 902
<<locked>>
88%
57130
90%
**54
100%
Rottweil R 903
<<locked>>
92%
57392
90%
**07
100%
Rottweil R 904
<<locked>>
97%
49414
77%
**08
95%
Rottweil R 905
<<locked>>
97%
45194
71%
**89
96%
Rottweil R 907
<<locked>>
94%
56333
88%
**84
99%
SNPE Vectan SP 11
<<locked>>
91%
56594
89%
**40
100%
SNPE Vectan SP 7
<<locked>>
84%
56782
89%
**84
100%
SNPE Vectan SP 9
<<locked>>
86%
56739
89%
**90
100%
SNPE Vectan Tubal 3000
<<locked>>
85%
56362
88%
**69
100%
SNPE Vectan Tubal 5000
<<locked>>
91%
57203
90%
**79
100%
SNPE Vectan Tubal 7000
<<locked>>
95%
56971
89%
**48
99%
Shooters World Long Rifle
<<locked>>
95%
56666
89%
**94
100%
Shooters World Match Rifle
<<locked>>
85%
57363
90%
**77
100%
Shooters World Precision
<<locked>>
89%
56188
88%
**64
100%
Somchem S335
<<locked>>
85%
56652
89%
**79
100%
Somchem S341
<<locked>>
85%
56550
89%
**77
100%
Somchem S355
<<locked>>
92%
57305
90%
**00
100%
[Somchem S361]*
<<locked>>
96%
49864
78%
**79
94%
Somchem S365
<<locked>>
97%
49617
78%
**90
100%
Somchem S385
<<locked>>
96%
45556
71%
**72
97%
Vihtavuori N133
<<locked>>
88%
57435
90%
**62
100%
Vihtavuori N135
<<locked>>
93%
57232
90%
**12
100%
Vihtavuori N140
<<locked>>
88%
57058
89%
**28
100%
Vihtavuori N150
<<locked>>
97%
56289
88%
**51
100%
Vihtavuori N160
<<locked>>
95%
57232
90%
**23
100%
[Vihtavuori N165]*
<<locked>>
97%
38653
61%
**28
94%
Vihtavuori N540
<<locked>>
88%
57334
90%
**61
100%
Vihtavuori N550 👍
<<locked>>
95%
57014
89%
**62
100%
Vihtavuori N555
<<locked>>
96%
41887
66%
**69
99%
Winchester 6.5 StaBALL
<<locked>>
96%
56927
89%
**97
100%
Winchester 760 👍
<<locked>>
93%
57377
90%
**82
99%
Winchester StaBALL HD
<<locked>>
97%
34418
54%
**30
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
49806
78%
**92
100%
ADI AR 2208
<<locked>>
81%
42424
66%
**57
99%
[ADI AR 2209]*
<<locked>>
86%
33257
52%
**23
90%
[ADI AR 2213]*
<<locked>>
93%
38101
60%
**48
90%
Accurate 2200
<<locked>>
81%
51750
81%
**95
100%
Accurate 2495
<<locked>>
81%
51880
81%
**75
100%
Accurate 2520
<<locked>>
81%
52721
83%
**15
100%
Accurate 2700
<<locked>>
81%
40785
64%
**82
95%
[Accurate 3100]*
<<locked>>
83%
25338
40%
**36
90%
Accurate 4064
<<locked>>
81%
43801
69%
**80
100%
Accurate 4350
<<locked>>
81%
32634
51%
**33
96%
Alliant AR-Comp
<<locked>>
81%
53098
83%
**66
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
45745
72%
**44
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
42467
67%
**77
100%
Alliant Reloder-15
<<locked>>
81%
45237
71%
**36
100%
Alliant Reloder-16
<<locked>>
81%
32590
51%
**39
96%
Alliant Reloder-17
<<locked>>
81%
36767
58%
**67
99%
[Alliant Reloder-19]*
<<locked>>
85%
32764
51%
**23
90%
[Alliant Reloder-22]*
<<locked>>
90%
32518
51%
**56
90%
[Alliant Reloder-23]*
<<locked>>
81%
23656
37%
**10
93%
[Alliant Reloder-25]*
<<locked>>
89%
27137
43%
**11
90%
[Alliant Reloder-26]*
<<locked>>
81%
24860
39%
**88
90%
Baschieri & Pellagri 107
<<locked>>
81%
49487
78%
**08
100%
[Bofors RP15]*
<<locked>>
92%
32866
52%
**65
90%
Bofors RP3
<<locked>>
81%
42047
66%
**80
100%
[Bofors RP5]*
<<locked>>
90%
32518
51%
**56
90%
[Bofors RP7]*
<<locked>>
81%
37797
59%
**59
94%
Hodgdon BL-C2
<<locked>>
81%
52330
82%
**48
100%
Hodgdon CFE223
<<locked>>
81%
43976
69%
**59
99%
Hodgdon H380
<<locked>>
81%
43018
67%
**97
99%
Hodgdon H414
<<locked>>
81%
38145
60%
**54
95%
[Hodgdon H4350]*
<<locked>>
81%
31807
50%
**47
91%
[Hodgdon H4831 SC]*
<<locked>>
93%
38885
61%
**28
90%
Hodgdon H4895
<<locked>>
81%
50299
79%
**02
100%
Hodgdon Hybrid 100V
<<locked>>
81%
30168
47%
**54
97%
Hodgdon LVR
<<locked>>
81%
35708
56%
**88
97%
[Hodgdon Superperformance]*
<<locked>>
81%
34200
54%
**85
93%
Hodgdon VARGET
<<locked>>
81%
42047
66%
**51
99%
IMR 3031
<<locked>>
81%
46340
73%
**23
100%
IMR 4064
<<locked>>
81%
41626
65%
**31
99%
IMR 4166 Enduron
<<locked>>
81%
41249
65%
**02
96%
[IMR 4350]*
<<locked>>
81%
33460
52%
**90
93%
IMR 4451 Enduron
<<locked>>
81%
39465
62%
**95
95%
IMR 4831
<<locked>>
81%
28819
45%
**24
95%
IMR 4895
<<locked>>
81%
46311
73%
**66
100%
[IMR 4955 Enduron]*
<<locked>>
91%
37289
58%
**69
90%
[IMR 7828 SSC]*
<<locked>>
93%
37739
59%
**54
90%
IMR 8208 XBR
<<locked>>
81%
51938
81%
**95
100%
Lovex D073.6
<<locked>>
81%
49545
78%
**75
100%
Lovex S060
<<locked>>
81%
49313
77%
**23
100%
Lovex S062
<<locked>>
81%
44309
69%
**84
100%
Lovex S065
<<locked>>
81%
36361
57%
**43
96%
[Lovex S070]*
<<locked>>
81%
34838
55%
**23
94%
[Lovex S071]*
<<locked>>
88%
25338
40%
**36
90%
Norma 201
<<locked>>
81%
48501
76%
**43
100%
Norma 202
<<locked>>
81%
49487
78%
**49
100%
Norma 203B
<<locked>>
81%
44599
70%
**30
100%
[Norma 204]*
<<locked>>
81%
32619
51%
**00
90%
[Norma MRP]*
<<locked>>
85%
29588
46%
**03
90%
Norma URP
<<locked>>
81%
33011
52%
**39
96%
Ramshot Big Game
<<locked>>
81%
44382
70%
**43
100%
[Ramshot Grand]*
<<locked>>
92%
37797
59%
**64
90%
[Ramshot Hunter]*
<<locked>>
81%
32053
50%
**20
94%
[Ramshot Magnum]*
<<locked>>
92%
32808
51%
**39
91%
Ramshot TAC
<<locked>>
81%
51895
81%
**15
99%
Ramshot Wild Boar
<<locked>>
81%
51750
81%
**31
100%
ReloadSwiss RS 50
<<locked>>
81%
43207
68%
**80
97%
ReloadSwiss RS 52
<<locked>>
81%
48080
75%
**41
100%
ReloadSwiss RS 60
<<locked>>
81%
39102
61%
**26
100%
ReloadSwiss RS 62
<<locked>>
81%
32590
51%
**56
96%
ReloadSwiss RS 70
<<locked>>
81%
32082
50%
**46
95%
Rottweil R 901
<<locked>>
81%
52924
83%
**69
100%
Rottweil R 902
<<locked>>
81%
46282
73%
**97
100%
Rottweil R 903
<<locked>>
81%
39740
62%
**38
100%
[Rottweil R 904]*
<<locked>>
86%
35302
55%
**33
90%
[Rottweil R 905]*
<<locked>>
86%
32155
50%
**16
90%
[Rottweil R 907]*
<<locked>>
81%
37797
59%
**59
94%
SNPE Vectan SP 11
<<locked>>
81%
40683
64%
**80
99%
SNPE Vectan SP 7
<<locked>>
81%
50633
79%
**95
99%
SNPE Vectan SP 9
<<locked>>
81%
48022
75%
**66
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
49821
78%
**84
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
41568
65%
**59
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
36114
57%
**97
95%
Shooters World Long Rifle
<<locked>>
81%
36361
57%
**43
96%
Shooters World Match Rifle
<<locked>>
81%
49545
78%
**75
100%
Shooters World Precision
<<locked>>
81%
44309
69%
**84
100%
Somchem S335
<<locked>>
81%
49501
78%
**84
100%
Somchem S341
<<locked>>
81%
50488
79%
**92
100%
Somchem S355
<<locked>>
81%
40045
63%
**34
100%
[Somchem S361]*
<<locked>>
88%
37797
59%
**65
90%
Somchem S365
<<locked>>
81%
29573
46%
**97
98%
[Somchem S385]*
<<locked>>
83%
29457
46%
**31
90%
Vihtavuori N133
<<locked>>
81%
47369
74%
**34
100%
Vihtavuori N135
<<locked>>
81%
39421
62%
**65
100%
Vihtavuori N140
<<locked>>
81%
46137
72%
**77
100%
Vihtavuori N150
<<locked>>
81%
34606
54%
**00
99%
Vihtavuori N160
<<locked>>
81%
36013
56%
**69
97%
[Vihtavuori N165]*
<<locked>>
90%
31241
49%
**57
90%
Vihtavuori N540
<<locked>>
81%
45324
71%
**93
100%
Vihtavuori N550
<<locked>>
81%
36347
57%
**08
97%
[Vihtavuori N555]*
<<locked>>
81%
25425
40%
**88
94%
Winchester 6.5 StaBALL
<<locked>>
81%
34142
53%
**16
99%
Winchester 760
<<locked>>
81%
38145
60%
**54
95%
[Winchester StaBALL HD]*
<<locked>>
82%
21814
34%
**90
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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