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Load data for .25 WSSM + .257 | 120gr | Swift A-Frame

Recommended Powder(s):

.25 WSSM + .257 | 120gr | Swift A-Frame

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.257 | 120gr | Swift A-Frame
Bullet Weight:
120gr | 7.8g
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_B10830_C206
Last updated:
2026-03-24

Load data for 210 loads in caliber .25 WSSM with .257 | 120gr | Swift A-Frame bullet and 105 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>>
86%
56797
89%
**61
100%
ADI AR 2208
<<locked>>
91%
56985
89%
**48
100%
[ADI AR 2209]*
<<locked>>
96%
46267
73%
**40
94%
ADI Benchmark 8208
<<locked>>
84%
56753
89%
**22
100%
Accurate 2200
<<locked>>
84%
57246
90%
**31
100%
Accurate 2495
<<locked>>
84%
57000
89%
**02
100%
Accurate 2520
<<locked>>
84%
56623
89%
**31
100%
Accurate 2700
<<locked>>
92%
56449
88%
**85
98%
Accurate 3100
<<locked>>
97%
39755
62%
**12
96%
Accurate 4064
<<locked>>
89%
56420
88%
**22
100%
Accurate 4350 👍
<<locked>>
97%
55419
87%
**00
100%
Alliant AR-Comp
<<locked>>
84%
57246
90%
**79
100%
Alliant Power Pro 2000-MR
<<locked>>
88%
57363
90%
**92
100%
Alliant Reloder- TS 15.5
<<locked>>
91%
56913
89%
**61
100%
Alliant Reloder-15
<<locked>>
89%
56565
89%
**77
100%
Alliant Reloder-16 👍
<<locked>>
97%
52547
82%
**94
100%
Alliant Reloder-17 👍
<<locked>>
94%
56811
89%
**76
100%
Alliant Reloder-19
<<locked>>
97%
46122
72%
**43
95%
[Alliant Reloder-22]*
<<locked>>
97%
40277
63%
**71
93%
Alliant Reloder-23
<<locked>>
97%
37666
59%
**35
99%
[Alliant Reloder-25]*
<<locked>>
96%
33011
52%
**10
93%
Alliant Reloder-26
<<locked>>
97%
41742
65%
**82
98%
Baschieri & Pellagri 107
<<locked>>
86%
56405
88%
**71
100%
Bofors RP3
<<locked>>
91%
57145
90%
**71
100%
[Bofors RP5]*
<<locked>>
97%
40277
63%
**71
93%
Bofors RP7
<<locked>>
95%
56521
89%
**35
98%
Hodgdon BL-C2
<<locked>>
84%
56840
89%
**67
100%
Hodgdon Benchmark
<<locked>>
83%
56217
88%
**72
100%
Hodgdon CFE223
<<locked>>
89%
56202
88%
**04
100%
Hodgdon H380
<<locked>>
90%
56144
88%
**58
100%
Hodgdon H414
<<locked>>
94%
57334
90%
**40
99%
Hodgdon H4350
<<locked>>
97%
50662
79%
**66
97%
Hodgdon H4895
<<locked>>
86%
57377
90%
**61
100%
Hodgdon Hybrid 100V
<<locked>>
97%
49603
78%
**82
100%
Hodgdon LVR 👍
<<locked>>
96%
56463
88%
**04
100%
Hodgdon Superperformance
<<locked>>
96%
56434
88%
**49
98%
Hodgdon VARGET
<<locked>>
91%
56304
88%
**38
100%
Hodgdon TrailBoss
<<locked>>
96%
33750
53%
**93
100%
IMR 3031
<<locked>>
88%
57203
90%
**38
100%
IMR 4064
<<locked>>
92%
56246
88%
**22
100%
IMR 4166 Enduron
<<locked>>
92%
56579
89%
**12
98%
IMR 4350
<<locked>>
96%
53417
84%
**15
98%
IMR 4451 Enduron
<<locked>>
94%
57377
90%
**54
98%
IMR 4831
<<locked>>
97%
46035
72%
**33
99%
IMR 4895
<<locked>>
88%
56768
89%
**84
100%
[IMR 4955 Enduron]*
<<locked>>
97%
43888
69%
**38
92%
IMR 8208 XBR
<<locked>>
84%
56753
89%
**22
100%
Lovex D073.6
<<locked>>
86%
56623
89%
**31
100%
Lovex S060
<<locked>>
86%
56608
89%
**92
100%
Lovex S062
<<locked>>
90%
56956
89%
**31
100%
Lovex S065
<<locked>>
96%
57000
89%
**44
99%
Lovex S070
<<locked>>
97%
55767
87%
**48
99%
[Lovex S071]*
<<locked>>
97%
32779
51%
**51
93%
Norma 201
<<locked>>
87%
57072
89%
**25
100%
Norma 202
<<locked>>
86%
56869
89%
**15
100%
Norma 203B
<<locked>>
89%
57014
89%
**74
100%
Norma 204
<<locked>>
97%
54201
85%
**61
96%
Norma MRP
<<locked>>
97%
42192
66%
**53
95%
Norma URP
<<locked>>
97%
53722
84%
**74
100%
Ramshot Big Game
<<locked>>
89%
56739
89%
**87
100%
[Ramshot Grand]*
<<locked>>
97%
44483
70%
**40
92%
Ramshot Hunter
<<locked>>
97%
52431
82%
**71
99%
[Ramshot Magnum]*
<<locked>>
96%
37985
60%
**89
92%
Ramshot TAC
<<locked>>
84%
56695
89%
**35
99%
Ramshot Wild Boar
<<locked>>
84%
56623
89%
**58
100%
ReloadSwiss RS 14
<<locked>>
97%
34824
55%
**45
100%
ReloadSwiss RS 50
<<locked>>
90%
56536
89%
**44
99%
ReloadSwiss RS 52
<<locked>>
86%
57000
89%
**40
100%
ReloadSwiss RS 60
<<locked>>
92%
56536
89%
**72
100%
ReloadSwiss RS 62
<<locked>>
97%
54897
86%
**13
100%
ReloadSwiss RS 70
<<locked>>
97%
53824
84%
**33
100%
Rottweil R 901
<<locked>>
84%
56956
89%
**89
100%
Rottweil R 902
<<locked>>
88%
57058
89%
**15
100%
Rottweil R 903
<<locked>>
92%
56260
88%
**54
100%
[Rottweil R 904]*
<<locked>>
97%
48080
75%
**26
94%
[Rottweil R 905]*
<<locked>>
97%
44411
70%
**23
94%
Rottweil R 907
<<locked>>
95%
56521
89%
**35
98%
SNPE Vectan SP 11
<<locked>>
92%
57232
90%
**07
100%
SNPE Vectan SP 7
<<locked>>
85%
56623
89%
**38
100%
SNPE Vectan SP 9
<<locked>>
86%
56507
89%
**48
100%
SNPE Vectan Tubal 3000
<<locked>>
86%
56565
89%
**33
100%
SNPE Vectan Tubal 5000
<<locked>>
91%
56840
89%
**30
100%
SNPE Vectan Tubal 7000
<<locked>>
96%
56985
89%
**99
98%
Shooters World Long Rifle
<<locked>>
96%
57000
89%
**44
99%
Shooters World Match Rifle
<<locked>>
86%
56623
89%
**31
100%
Shooters World Precision
<<locked>>
90%
56956
89%
**31
100%
Somchem S335
<<locked>>
86%
56594
89%
**40
100%
Somchem S341
<<locked>>
85%
56275
88%
**28
100%
Somchem S355
<<locked>>
92%
56434
88%
**51
100%
[Somchem S361]*
<<locked>>
97%
49647
78%
**20
93%
Somchem S365
<<locked>>
96%
48080
75%
**15
100%
Somchem S385
<<locked>>
97%
45527
71%
**13
96%
Vihtavuori N133
<<locked>>
88%
56985
89%
**17
100%
Vihtavuori N135
<<locked>>
94%
57305
90%
**82
100%
Vihtavuori N140
<<locked>>
88%
56710
89%
**79
100%
Vihtavuori N150
<<locked>>
96%
54694
86%
**82
100%
Vihtavuori N160
<<locked>>
95%
56710
89%
**74
100%
[Vihtavuori N165]*
<<locked>>
97%
37463
59%
**33
92%
Vihtavuori N540
<<locked>>
89%
57072
89%
**15
100%
Vihtavuori N550 👍
<<locked>>
95%
56681
89%
**17
100%
Vihtavuori N555
<<locked>>
97%
41568
65%
**07
99%
Winchester 6.5 StaBALL
<<locked>>
97%
56304
88%
**44
100%
Winchester 760
<<locked>>
94%
57334
90%
**40
99%
Winchester StaBALL HD
<<locked>>
97%
33504
53%
**28
99%
Winchester Supreme 780
<<locked>>
97%
47239
74%
**30
95%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
48747
76%
**33
100%
ADI AR 2208
<<locked>>
81%
41771
65%
**85
99%
[ADI AR 2209]*
<<locked>>
89%
36085
57%
**20
90%
ADI Benchmark 8208
<<locked>>
81%
50879
80%
**30
100%
Accurate 2200
<<locked>>
81%
51082
80%
**43
99%
Accurate 2495
<<locked>>
81%
50763
80%
**17
100%
Accurate 2520
<<locked>>
81%
51692
81%
**62
100%
[Accurate 2700]*
<<locked>>
81%
39726
62%
**97
94%
[Accurate 3100]*
<<locked>>
86%
27050
42%
**03
90%
Accurate 4064
<<locked>>
81%
42975
67%
**15
100%
Accurate 4350
<<locked>>
81%
31647
50%
**44
95%
Alliant AR-Comp
<<locked>>
81%
52083
82%
**13
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
44744
70%
**79
99%
Alliant Reloder- TS 15.5
<<locked>>
81%
41582
65%
**15
100%
Alliant Reloder-15
<<locked>>
81%
44338
69%
**71
99%
Alliant Reloder-16
<<locked>>
81%
32053
50%
**57
95%
Alliant Reloder-17
<<locked>>
81%
36056
56%
**89
98%
[Alliant Reloder-19]*
<<locked>>
89%
35433
56%
**13
90%
[Alliant Reloder-22]*
<<locked>>
92%
34519
54%
**39
90%
[Alliant Reloder-23]*
<<locked>>
81%
23221
36%
**05
91%
[Alliant Reloder-25]*
<<locked>>
92%
29109
46%
**92
90%
[Alliant Reloder-26]*
<<locked>>
84%
26701
42%
**65
90%
Baschieri & Pellagri 107
<<locked>>
81%
48341
76%
**43
99%
Bofors RP3
<<locked>>
81%
41408
65%
**12
100%
[Bofors RP5]*
<<locked>>
92%
34519
54%
**39
90%
[Bofors RP7]*
<<locked>>
81%
37130
58%
**80
93%
Hodgdon BL-C2
<<locked>>
81%
50923
80%
**85
100%
Hodgdon Benchmark
<<locked>>
81%
52953
83%
**23
100%
Hodgdon CFE223
<<locked>>
81%
42844
67%
**77
98%
Hodgdon H380
<<locked>>
81%
41901
66%
**21
98%
[Hodgdon H414]*
<<locked>>
81%
37304
58%
**72
94%
[Hodgdon H4350]*
<<locked>>
82%
31865
50%
**75
90%
Hodgdon H4895
<<locked>>
81%
49226
77%
**36
100%
Hodgdon Hybrid 100V
<<locked>>
81%
29660
46%
**65
96%
Hodgdon LVR
<<locked>>
81%
34824
55%
**00
95%
[Hodgdon Superperformance]*
<<locked>>
81%
33678
53%
**90
91%
Hodgdon VARGET
<<locked>>
81%
41336
65%
**82
99%
Hodgdon TrailBoss
<<locked>>
81%
27166
43%
**55
100%
IMR 3031
<<locked>>
81%
45252
71%
**67
100%
IMR 4064
<<locked>>
81%
41017
64%
**62
99%
IMR 4166 Enduron
<<locked>>
81%
40683
64%
**33
95%
[IMR 4350]*
<<locked>>
81%
32721
51%
**02
91%
[IMR 4451 Enduron]*
<<locked>>
81%
38711
61%
**16
94%
[IMR 4831]*
<<locked>>
81%
28152
44%
**29
93%
IMR 4895
<<locked>>
81%
45382
71%
**97
100%
[IMR 4955 Enduron]*
<<locked>>
94%
40176
63%
**62
90%
IMR 8208 XBR
<<locked>>
81%
50879
80%
**30
100%
Lovex D073.6
<<locked>>
81%
48283
76%
**10
100%
Lovex S060
<<locked>>
81%
48515
76%
**64
100%
Lovex S062
<<locked>>
81%
43613
68%
**21
100%
Lovex S065
<<locked>>
81%
35737
56%
**57
95%
[Lovex S070]*
<<locked>>
81%
34069
53%
**38
93%
[Lovex S071]*
<<locked>>
91%
27050
42%
**03
90%
Norma 201
<<locked>>
81%
47732
75%
**84
100%
Norma 202
<<locked>>
81%
48559
76%
**90
100%
Norma 203B
<<locked>>
81%
43584
68%
**57
99%
[Norma 204]*
<<locked>>
84%
35230
55%
**87
90%
[Norma MRP]*
<<locked>>
89%
32329
51%
**07
91%
Norma URP
<<locked>>
81%
32213
50%
**51
95%
Ramshot Big Game
<<locked>>
81%
43395
68%
**77
99%
[Ramshot Grand]*
<<locked>>
94%
40451
63%
**54
90%
[Ramshot Hunter]*
<<locked>>
81%
31488
49%
**28
92%
[Ramshot Magnum]*
<<locked>>
94%
34592
54%
**03
90%
Ramshot TAC
<<locked>>
81%
50952
80%
**46
99%
Ramshot Wild Boar
<<locked>>
81%
50676
79%
**66
100%
ReloadSwiss RS 14
<<locked>>
81%
27354
43%
**91
100%
ReloadSwiss RS 50
<<locked>>
81%
42438
66%
**02
96%
ReloadSwiss RS 52
<<locked>>
81%
47282
74%
**82
99%
ReloadSwiss RS 60
<<locked>>
81%
38348
60%
**54
100%
[ReloadSwiss RS 62]*
<<locked>>
81%
31473
49%
**54
94%
[ReloadSwiss RS 70]*
<<locked>>
81%
31401
49%
**57
93%
Rottweil R 901
<<locked>>
81%
52185
82%
**20
100%
Rottweil R 902
<<locked>>
81%
45556
71%
**38
100%
Rottweil R 903
<<locked>>
81%
38827
61%
**59
99%
[Rottweil R 904]*
<<locked>>
89%
38363
60%
**36
90%
[Rottweil R 905]*
<<locked>>
89%
34490
54%
**03
90%
[Rottweil R 907]*
<<locked>>
81%
37130
58%
**80
93%
SNPE Vectan SP 11
<<locked>>
81%
39798
62%
**08
99%
SNPE Vectan SP 7
<<locked>>
81%
49516
78%
**23
99%
SNPE Vectan SP 9
<<locked>>
81%
47413
74%
**00
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
49197
77%
**28
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
41234
65%
**00
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
35128
55%
**05
93%
Shooters World Long Rifle
<<locked>>
81%
35737
56%
**57
95%
Shooters World Match Rifle
<<locked>>
81%
48283
76%
**10
100%
Shooters World Precision
<<locked>>
81%
43613
68%
**21
100%
Somchem S335
<<locked>>
81%
48486
76%
**25
100%
Somchem S341
<<locked>>
81%
49313
77%
**20
100%
Somchem S355
<<locked>>
81%
39334
62%
**62
99%
[Somchem S361]*
<<locked>>
91%
41771
65%
**72
90%
Somchem S365
<<locked>>
81%
28805
45%
**02
97%
[Somchem S385]*
<<locked>>
86%
31589
49%
**11
90%
Vihtavuori N133
<<locked>>
81%
46514
73%
**75
100%
Vihtavuori N135
<<locked>>
81%
38653
61%
**93
100%
Vihtavuori N140
<<locked>>
81%
45295
71%
**18
100%
Vihtavuori N150
<<locked>>
81%
33605
53%
**11
99%
Vihtavuori N160
<<locked>>
81%
34882
55%
**80
96%
[Vihtavuori N165]*
<<locked>>
93%
33663
53%
**44
91%
Vihtavuori N540
<<locked>>
81%
44860
70%
**35
100%
Vihtavuori N550
<<locked>>
81%
35331
55%
**26
96%
[Vihtavuori N555]*
<<locked>>
81%
24729
39%
**77
92%
Winchester 6.5 StaBALL
<<locked>>
81%
33330
52%
**31
98%
[Winchester 760]*
<<locked>>
81%
37304
58%
**72
94%
[Winchester StaBALL HD]*
<<locked>>
85%
23264
36%
**54
90%
[Winchester Supreme 780]*
<<locked>>
89%
35737
56%
**93
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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