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Load data for .25 WSSM + .257 | 98gr | Hasler ARIETE

Recommended Powder(s): ADI AR 2206H, Baschieri & Pellagri 107, IMR 4895, Norma 203B, ReloadSwiss RS 52

.25 WSSM + .257 | 98gr | Hasler ARIETE

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.257 | 98gr | Hasler ARIETE
Manufacturer SKU:
A257-98
Bullet Weight:
98gr | 6.4g
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_B7052_C206
Last updated:
2025-01-01
Recommended Twist Rate:
1:9 - 1:8

Load data for 0 loads in caliber .25 WSSM with .257 | 98gr | Hasler ARIETE bullet and 0 powders such as ADI AR 2206H, Baschieri & Pellagri 107, IMR 4895, Norma 203B, ReloadSwiss RS 52. 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>>
91%
57188
90%
**43
100%
ADI AR 2208
<<locked>>
96%
56391
88%
**04
99%
ADI Benchmark 8208
<<locked>>
89%
56202
88%
**94
100%
Accurate 2015
<<locked>>
88%
56753
89%
**28
100%
Accurate 2200
<<locked>>
89%
57014
89%
**94
99%
Accurate 2230
<<locked>>
85%
57290
90%
**84
100%
Accurate 2460
<<locked>>
86%
57319
90%
**94
100%
Accurate 2495
<<locked>>
91%
57203
90%
**04
100%
Accurate 2520
<<locked>>
90%
57348
90%
**23
100%
Accurate 2700
<<locked>>
96%
55796
87%
**15
95%
Accurate 4064
<<locked>>
96%
56173
88%
**14
100%
Accurate 4350
<<locked>>
96%
42511
67%
**36
96%
Alliant AR-Comp
<<locked>>
90%
57072
89%
**84
100%
Alliant Power Pro 2000-MR
<<locked>>
93%
57116
89%
**61
99%
Alliant Reloder- TS 15.5
<<locked>>
97%
56637
89%
**36
100%
Alliant Reloder-10x
<<locked>>
85%
56130
88%
**35
100%
Alliant Reloder-15
<<locked>>
94%
56333
88%
**50
99%
Alliant Reloder-16
<<locked>>
97%
43555
68%
**69
96%
Alliant Reloder-17
<<locked>>
97%
49893
78%
**30
99%
[Alliant Reloder-23]*
<<locked>>
97%
30400
48%
**44
92%
Baschieri & Pellagri 106
<<locked>>
84%
57305
90%
**86
100%
Baschieri & Pellagri 107
<<locked>>
91%
56333
88%
**40
99%
Bofors RP3
<<locked>>
96%
56217
88%
**36
100%
[Bofors RP7]*
<<locked>>
97%
50734
80%
**89
94%
Hodgdon BL-C2
<<locked>>
89%
56507
89%
**43
100%
Hodgdon Benchmark
<<locked>>
88%
56405
88%
**45
100%
Hodgdon CFE223
<<locked>>
95%
56565
89%
**86
99%
Hodgdon H322
<<locked>>
88%
56840
89%
**94
100%
Hodgdon H380
<<locked>>
96%
57188
90%
**43
98%
Hodgdon H414
<<locked>>
96%
51416
81%
**04
95%
Hodgdon H4895
<<locked>>
91%
56463
88%
**30
100%
Hodgdon Hybrid 100V
<<locked>>
96%
39102
61%
**38
97%
Hodgdon LVR
<<locked>>
96%
47340
74%
**22
97%
[Hodgdon Superperformance]*
<<locked>>
97%
47964
75%
**31
93%
Hodgdon VARGET
<<locked>>
96%
55883
88%
**97
99%
Hodgdon TrailBoss
<<locked>>
96%
32808
51%
**57
100%
IMR 3031
<<locked>>
94%
57043
89%
**40
100%
IMR 4064
<<locked>>
97%
55608
87%
**84
99%
IMR 4166 Enduron
<<locked>>
97%
55143
86%
**48
96%
IMR 4198
<<locked>>
84%
56231
88%
**89
100%
[IMR 4350]*
<<locked>>
97%
44338
69%
**94
92%
IMR 4451 Enduron
<<locked>>
97%
53084
83%
**31
95%
[IMR 4831]*
<<locked>>
97%
36738
58%
**92
94%
IMR 4895 👍
<<locked>>
94%
56536
89%
**59
100%
IMR 8208 XBR
<<locked>>
89%
56202
88%
**94
100%
Lovex D073.4
<<locked>>
84%
57072
89%
**77
100%
Lovex D073.5
<<locked>>
86%
56724
89%
**84
100%
Lovex D073.6
<<locked>>
92%
57348
90%
**23
100%
Lovex S060
<<locked>>
91%
56724
89%
**61
100%
Lovex S062
<<locked>>
95%
57058
89%
**10
100%
Lovex S065
<<locked>>
97%
48472
76%
**69
96%
[Lovex S070]*
<<locked>>
97%
45934
72%
**36
94%
Norma 201
<<locked>>
92%
57377
90%
**04
100%
Norma 202
<<locked>>
92%
57029
89%
**04
100%
Norma 203B 👍
<<locked>>
95%
56710
89%
**56
100%
Norma URP
<<locked>>
97%
43352
68%
**56
96%
Ramshot Big Game 👍
<<locked>>
95%
57276
90%
**79
100%
[Ramshot Hunter]*
<<locked>>
97%
42873
67%
**40
94%
Ramshot TAC
<<locked>>
89%
57058
89%
**04
98%
Ramshot Wild Boar
<<locked>>
90%
56565
89%
**33
100%
Ramshot X-Terminator
<<locked>>
87%
57058
89%
**84
99%
ReloadSwiss RS 14
<<locked>>
95%
32721
51%
**93
100%
ReloadSwiss RS 40
<<locked>>
86%
56840
89%
**91
100%
ReloadSwiss RS 50
<<locked>>
95%
56637
89%
**07
97%
ReloadSwiss RS 52 👍
<<locked>>
93%
57421
90%
**28
99%
ReloadSwiss RS 60 👍
<<locked>>
97%
53214
83%
**05
100%
ReloadSwiss RS 62
<<locked>>
96%
42598
67%
**66
96%
ReloadSwiss RS 70
<<locked>>
97%
44222
69%
**95
95%
Rottweil R 901
<<locked>>
90%
57232
90%
**84
100%
Rottweil R 902
<<locked>>
94%
57305
90%
**00
100%
Rottweil R 903
<<locked>>
97%
52852
83%
**77
100%
[Rottweil R 907]*
<<locked>>
97%
50734
80%
**89
94%
SNPE Vectan SP 11
<<locked>>
97%
55172
86%
**53
99%
SNPE Vectan SP 7
<<locked>>
90%
56579
89%
**04
98%
SNPE Vectan SP 9
<<locked>>
92%
56753
89%
**30
100%
SNPE Vectan Tubal 3000
<<locked>>
91%
56710
89%
**18
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
56565
89%
**02
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
97%
48109
75%
**04
94%
Shooters World Long Rifle
<<locked>>
97%
48472
76%
**69
96%
Shooters World Match Rifle
<<locked>>
92%
57348
90%
**23
100%
Shooters World Precision
<<locked>>
95%
57058
89%
**10
100%
Shooters World Tactical Rifle
<<locked>>
84%
56231
88%
**51
100%
Somchem S321
<<locked>>
87%
56942
89%
**23
100%
Somchem S335
<<locked>>
92%
57334
90%
**31
100%
Somchem S341
<<locked>>
90%
56318
88%
**04
99%
Somchem S355
<<locked>>
97%
53606
84%
**81
99%
Somchem S365
<<locked>>
97%
38305
60%
**90
98%
Vihtavuori N130
<<locked>>
88%
56710
89%
**86
100%
Vihtavuori N133
<<locked>>
93%
56913
89%
**09
100%
Vihtavuori N135
<<locked>>
97%
50807
80%
**86
100%
Vihtavuori N140
<<locked>>
94%
56985
89%
**71
100%
Vihtavuori N150
<<locked>>
97%
44991
70%
**97
99%
Vihtavuori N160
<<locked>>
97%
48414
76%
**02
97%
Vihtavuori N530
<<locked>>
87%
56246
88%
**07
100%
Vihtavuori N540
<<locked>>
94%
57377
90%
**04
100%
Vihtavuori N550
<<locked>>
97%
48428
76%
**54
97%
[Vihtavuori N555]*
<<locked>>
97%
32242
51%
**33
93%
Winchester 6.5 StaBALL
<<locked>>
97%
46876
73%
**46
99%
Winchester 748
<<locked>>
87%
56492
89%
**46
100%
Winchester 760
<<locked>>
96%
51416
81%
**04
95%
Winchester StaBALL Match
<<locked>>
85%
57319
90%
**46
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
40654
64%
**31
97%
[ADI AR 2208]*
<<locked>>
81%
34867
55%
**74
94%
ADI Benchmark 8208
<<locked>>
81%
42743
67%
**54
99%
Accurate 2015
<<locked>>
81%
46050
72%
**67
100%
Accurate 2200
<<locked>>
81%
43250
68%
**48
96%
Accurate 2230
<<locked>>
81%
48747
76%
**53
99%
Accurate 2460
<<locked>>
81%
48776
76%
**59
100%
Accurate 2495
<<locked>>
81%
40466
63%
**31
100%
Accurate 2520
<<locked>>
81%
41959
66%
**71
99%
[Accurate 2700]*
<<locked>>
86%
39624
62%
**17
90%
Accurate 4064
<<locked>>
81%
34040
53%
**00
99%
[Accurate 4350]*
<<locked>>
86%
29051
46%
**08
90%
Alliant AR-Comp
<<locked>>
81%
42337
66%
**61
100%
[Alliant Power Pro 2000-MR]*
<<locked>>
81%
36825
58%
**31
94%
Alliant Reloder- TS 15.5
<<locked>>
81%
33968
53%
**87
96%
Alliant Reloder-10x
<<locked>>
81%
50038
78%
**40
100%
Alliant Reloder-15
<<locked>>
81%
36245
57%
**49
95%
[Alliant Reloder-16]*
<<locked>>
86%
30937
48%
**38
91%
[Alliant Reloder-17]*
<<locked>>
81%
29254
46%
**21
92%
[Alliant Reloder-23]*
<<locked>>
94%
27775
44%
**62
90%
Baschieri & Pellagri 106
<<locked>>
81%
52779
83%
**23
100%
Baschieri & Pellagri 107
<<locked>>
81%
39914
63%
**31
95%
Bofors RP3
<<locked>>
81%
32967
52%
**77
96%
[Bofors RP7]*
<<locked>>
88%
38479
60%
**36
90%
Hodgdon BL-C2
<<locked>>
81%
41713
65%
**84
98%
Hodgdon Benchmark
<<locked>>
81%
45136
71%
**61
99%
[Hodgdon CFE223]*
<<locked>>
81%
34824
55%
**40
93%
Hodgdon H322
<<locked>>
81%
45774
72%
**17
100%
[Hodgdon H380]*
<<locked>>
81%
34142
53%
**80
92%
[Hodgdon H414]*
<<locked>>
87%
37101
58%
**92
90%
Hodgdon H4895
<<locked>>
81%
40959
64%
**44
98%
[Hodgdon Hybrid 100V]*
<<locked>>
84%
26208
41%
**70
90%
[Hodgdon LVR]*
<<locked>>
84%
31705
50%
**44
90%
[Hodgdon Superperformance]*
<<locked>>
92%
39871
62%
**61
90%
[Hodgdon VARGET]*
<<locked>>
81%
34374
54%
**61
94%
Hodgdon TrailBoss
<<locked>>
81%
26324
41%
**09
100%
IMR 3031
<<locked>>
81%
36550
57%
**76
100%
[IMR 4064]*
<<locked>>
81%
33968
53%
**48
94%
[IMR 4166 Enduron]*
<<locked>>
83%
36753
58%
**67
90%
IMR 4198
<<locked>>
81%
51111
80%
**20
100%
[IMR 4350]*
<<locked>>
92%
38653
61%
**62
90%
[IMR 4451 Enduron]*
<<locked>>
85%
37028
58%
**03
90%
[IMR 4831]*
<<locked>>
89%
28790
45%
**72
90%
IMR 4895
<<locked>>
81%
37173
58%
**82
96%
IMR 8208 XBR
<<locked>>
81%
42743
67%
**54
99%
Lovex D073.4
<<locked>>
81%
50865
80%
**86
100%
Lovex D073.5
<<locked>>
81%
48240
76%
**49
100%
Lovex D073.6
<<locked>>
81%
39102
61%
**08
99%
Lovex S060
<<locked>>
81%
41481
65%
**82
97%
Lovex S062
<<locked>>
81%
35882
56%
**07
97%
[Lovex S065]*
<<locked>>
84%
32880
52%
**12
90%
[Lovex S070]*
<<locked>>
90%
36434
57%
**20
90%
Norma 201
<<locked>>
81%
39653
62%
**82
98%
Norma 202
<<locked>>
81%
40292
63%
**08
100%
Norma 203B
<<locked>>
81%
35752
56%
**40
95%
[Norma URP]*
<<locked>>
85%
29776
47%
**08
90%
Ramshot Big Game
<<locked>>
81%
35346
55%
**49
95%
[Ramshot Hunter]*
<<locked>>
91%
35128
55%
**46
90%
Ramshot TAC
<<locked>>
81%
42873
67%
**44
95%
Ramshot Wild Boar
<<locked>>
81%
42061
66%
**67
97%
Ramshot X-Terminator
<<locked>>
81%
46876
73%
**10
98%
ReloadSwiss RS 14
<<locked>>
81%
26281
41%
**42
100%
ReloadSwiss RS 40
<<locked>>
81%
48486
76%
**59
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
35114
55%
**67
90%
ReloadSwiss RS 52
<<locked>>
81%
37927
59%
**61
95%
ReloadSwiss RS 60
<<locked>>
81%
31270
49%
**97
96%
[ReloadSwiss RS 62]*
<<locked>>
87%
30589
48%
**51
90%
[ReloadSwiss RS 70]*
<<locked>>
89%
34432
54%
**46
91%
Rottweil R 901
<<locked>>
81%
43714
68%
**51
100%
Rottweil R 902
<<locked>>
81%
37652
59%
**30
97%
[Rottweil R 903]*
<<locked>>
81%
31067
49%
**21
94%
[Rottweil R 907]*
<<locked>>
88%
38479
60%
**36
90%
[SNPE Vectan SP 11]*
<<locked>>
81%
32430
51%
**77
94%
SNPE Vectan SP 7
<<locked>>
81%
40886
64%
**08
95%
SNPE Vectan SP 9
<<locked>>
81%
39407
62%
**99
97%
SNPE Vectan Tubal 3000
<<locked>>
81%
41800
65%
**66
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
34200
54%
**08
99%
[SNPE Vectan Tubal 7000]*
<<locked>>
88%
35998
56%
**64
90%
[Shooters World Long Rifle]*
<<locked>>
84%
32880
52%
**12
90%
Shooters World Match Rifle
<<locked>>
81%
39102
61%
**08
99%
Shooters World Precision
<<locked>>
81%
35882
56%
**07
97%
Shooters World Tactical Rifle
<<locked>>
81%
51082
80%
**72
99%
Somchem S321
<<locked>>
81%
46485
73%
**40
99%
Somchem S335
<<locked>>
81%
40843
64%
**56
100%
Somchem S341
<<locked>>
81%
40741
64%
**15
97%
[Somchem S355]*
<<locked>>
81%
31995
50%
**31
94%
[Somchem S365]*
<<locked>>
82%
24004
38%
**44
90%
Vihtavuori N130
<<locked>>
81%
46151
72%
**25
100%
Vihtavuori N133
<<locked>>
81%
39088
61%
**13
100%
Vihtavuori N135
<<locked>>
81%
31111
49%
**92
99%
Vihtavuori N140
<<locked>>
81%
37492
59%
**30
99%
[Vihtavuori N150]*
<<locked>>
81%
27151
43%
**70
94%
[Vihtavuori N160]*
<<locked>>
83%
30240
47%
**85
90%
Vihtavuori N530
<<locked>>
81%
45498
71%
**20
99%
Vihtavuori N540
<<locked>>
81%
37130
58%
**40
99%
[Vihtavuori N550]*
<<locked>>
83%
30298
47%
**28
91%
[Vihtavuori N555]*
<<locked>>
93%
27949
44%
**02
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
27441
43%
**64
91%
Winchester 748
<<locked>>
81%
45847
72%
**66
100%
[Winchester 760]*
<<locked>>
87%
37101
58%
**92
90%
Winchester StaBALL Match
<<locked>>
81%
48776
76%
**02
99%

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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