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Load data for .25 WSSM + .257 | 87gr | Speer MHP

Recommended Powder(s): ADI AR 2206H, Alliant Reloder- TS 15.5, IMR 4895, Ramshot Wild Boar, ReloadSwiss RS 52

.25 WSSM + .257 | 87gr | Speer MHP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.257 | 87gr | Speer MHP
Manufacturer SKU:
1247
Bullet Weight:
87gr | 5.6g
Bullet Diameter:
0.257" | 6.53mm
Bullet Length:
0.920" | 23.4mm
Caliber:
.25 WSSM load data
Case Length (l3):
1.670" | 42.4mm
Cartridge Length (C.O.L.):
2.325" | 59.0mm
Seated Depth:
0.265" | 6.7mm
Shank Seated Depth:
0.265" | 6.7mm
Case Capacity:
54.3 Grains of Water | 3.53 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B6086_C206
Last updated:
2025-01-01

Load data for 186 loads in caliber .25 WSSM with .257 | 87gr | Speer MHP bullet and 93 powders such as ADI AR 2206H, Alliant Reloder- TS 15.5, IMR 4895, Ramshot Wild Boar, 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".

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  • .

    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.

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%
56391
88%
**14
99%
ADI AR 2208
<<locked>>
97%
57043
89%
**94
99%
Accurate 2015
<<locked>>
87%
56420
88%
**15
100%
Accurate 2200
<<locked>>
90%
57319
90%
**74
98%
Accurate 2230
<<locked>>
85%
56985
89%
**64
100%
Accurate 2460
<<locked>>
85%
56188
88%
**55
100%
Accurate 2495
<<locked>>
91%
56985
89%
**94
100%
Accurate 2520
<<locked>>
90%
57188
90%
**04
100%
[Accurate 2700]*
<<locked>>
97%
56797
89%
**96
94%
Accurate 4064
<<locked>>
96%
56536
89%
**94
100%
Accurate 4350
<<locked>>
97%
43685
68%
**27
95%
Alliant AR-Comp
<<locked>>
90%
57305
90%
**74
100%
Alliant Reloder- TS 15.5 👍
<<locked>>
96%
55883
88%
**07
100%
Alliant Reloder-10x
<<locked>>
85%
57232
90%
**41
100%
Alliant Reloder-15
<<locked>>
94%
56391
88%
**33
99%
Alliant Reloder-16
<<locked>>
97%
43511
68%
**30
95%
Alliant Reloder-17
<<locked>>
97%
50227
79%
**14
99%
Baschieri & Pellagri 106
<<locked>>
84%
57087
89%
**66
100%
Baschieri & Pellagri 107
<<locked>>
91%
56376
88%
**23
98%
Hodgdon BL-C2
<<locked>>
89%
56753
89%
**33
100%
Hodgdon Benchmark
<<locked>>
88%
56608
89%
**38
100%
Hodgdon CFE223
<<locked>>
95%
57261
90%
**76
98%
Hodgdon H322
<<locked>>
88%
57101
89%
**84
100%
Hodgdon H380
<<locked>>
96%
56898
89%
**20
98%
[Hodgdon H414]*
<<locked>>
97%
51605
81%
**71
94%
Hodgdon Hybrid 100V
<<locked>>
97%
39827
62%
**09
96%
Hodgdon LVR
<<locked>>
97%
47950
75%
**96
96%
[Hodgdon Superperformance]*
<<locked>>
97%
47703
75%
**92
92%
Hodgdon VARGET
<<locked>>
97%
56434
88%
**84
99%
Hodgdon TrailBoss
<<locked>>
97%
33272
52%
**05
100%
IMR 3031
<<locked>>
94%
57116
90%
**33
100%
IMR 4064
<<locked>>
97%
55767
87%
**71
99%
IMR 4166 Enduron
<<locked>>
97%
55825
87%
**25
95%
IMR 4198
<<locked>>
85%
56768
89%
**86
100%
[IMR 4451 Enduron]*
<<locked>>
96%
52417
82%
**92
94%
[IMR 4831]*
<<locked>>
97%
37492
59%
**66
93%
IMR 4895 👍
<<locked>>
94%
56492
89%
**43
99%
IMR 8208 XBR
<<locked>>
90%
56652
89%
**81
100%
Lovex D073.4
<<locked>>
84%
57087
89%
**58
100%
Lovex D073.5
<<locked>>
85%
56710
89%
**61
100%
Lovex D073.6
<<locked>>
92%
57188
90%
**04
100%
Lovex S060
<<locked>>
91%
56710
89%
**35
99%
Lovex S062
<<locked>>
95%
56710
89%
**91
100%
Lovex S065
<<locked>>
97%
48573
76%
**30
95%
[Lovex S070]*
<<locked>>
97%
46441
73%
**07
93%
Norma 201
<<locked>>
92%
56724
89%
**78
100%
Norma 202
<<locked>>
92%
56826
89%
**84
100%
Norma 203B
<<locked>>
95%
56652
89%
**37
99%
Norma URP
<<locked>>
97%
43932
69%
**20
95%
Ramshot Big Game
<<locked>>
95%
57145
90%
**53
99%
[Ramshot Hunter]*
<<locked>>
97%
43323
68%
**97
93%
Ramshot TAC
<<locked>>
89%
56260
88%
**64
97%
Ramshot Wild Boar 👍
<<locked>>
90%
56869
89%
**17
99%
Ramshot X-Terminator
<<locked>>
87%
57232
90%
**68
99%
ReloadSwiss RS 14
<<locked>>
96%
33141
52%
**44
100%
ReloadSwiss RS 40
<<locked>>
86%
56434
88%
**78
100%
ReloadSwiss RS 50
<<locked>>
96%
57334
90%
**91
96%
ReloadSwiss RS 52 👍
<<locked>>
95%
56507
89%
**56
100%
ReloadSwiss RS 60
<<locked>>
97%
48834
77%
**01
99%
ReloadSwiss RS 62
<<locked>>
97%
43642
68%
**36
95%
[ReloadSwiss RS 70]*
<<locked>>
96%
43961
69%
**40
94%
Rottweil R 901
<<locked>>
89%
56811
89%
**64
100%
Rottweil R 902
<<locked>>
94%
57319
90%
**84
100%
Rottweil R 903
<<locked>>
97%
53403
84%
**61
99%
[Rottweil R 907]*
<<locked>>
97%
51227
80%
**63
93%
SNPE Vectan SP 11
<<locked>>
97%
55651
87%
**37
99%
SNPE Vectan SP 7
<<locked>>
90%
57000
89%
**81
98%
SNPE Vectan SP 9
<<locked>>
92%
56376
88%
**04
99%
SNPE Vectan Tubal 3000
<<locked>>
91%
56927
89%
**05
100%
SNPE Vectan Tubal 5000
<<locked>>
96%
56144
88%
**76
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
97%
48573
76%
**71
93%
Shooters World Long Rifle
<<locked>>
97%
48573
76%
**30
95%
Shooters World Match Rifle
<<locked>>
92%
57188
90%
**04
100%
Shooters World Precision
<<locked>>
95%
56710
89%
**91
100%
Shooters World Tactical Rifle
<<locked>>
84%
57276
90%
**48
100%
Somchem S321
<<locked>>
87%
56492
89%
**91
100%
Somchem S335
<<locked>>
91%
56652
89%
**99
100%
Somchem S341
<<locked>>
90%
56463
88%
**78
99%
Somchem S355
<<locked>>
97%
53461
84%
**55
99%
Somchem S365
<<locked>>
96%
38450
60%
**41
97%
Vihtavuori N130
<<locked>>
87%
56347
88%
**66
100%
Vihtavuori N133
<<locked>>
93%
56652
89%
**86
100%
Vihtavuori N135
<<locked>>
96%
50328
79%
**56
100%
Vihtavuori N140
<<locked>>
94%
56536
89%
**48
100%
Vihtavuori N150
<<locked>>
96%
44904
70%
**64
99%
Vihtavuori N160
<<locked>>
96%
47834
75%
**63
96%
Vihtavuori N530
<<locked>>
87%
56275
88%
**94
100%
Vihtavuori N540
<<locked>>
94%
57334
90%
**87
100%
Vihtavuori N550
<<locked>>
96%
48022
75%
**05
96%
Winchester 6.5 StaBALL
<<locked>>
96%
46702
73%
**07
98%
Winchester 748
<<locked>>
87%
57087
89%
**40
100%
[Winchester 760]*
<<locked>>
97%
51605
81%
**71
94%
Winchester StaBALL Match
<<locked>>
85%
56898
89%
**23
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
41002
64%
**05
96%
[ADI AR 2208]*
<<locked>>
81%
34940
55%
**31
93%
Accurate 2015
<<locked>>
81%
46325
73%
**51
100%
Accurate 2200
<<locked>>
81%
43323
68%
**12
95%
Accurate 2230
<<locked>>
81%
48849
77%
**23
99%
Accurate 2460
<<locked>>
81%
49255
77%
**40
99%
Accurate 2495
<<locked>>
81%
41452
65%
**25
100%
Accurate 2520
<<locked>>
81%
42134
66%
**35
99%
[Accurate 2700]*
<<locked>>
89%
43047
67%
**40
90%
Accurate 4064
<<locked>>
81%
34853
55%
**74
98%
[Accurate 4350]*
<<locked>>
88%
31299
49%
**15
90%
Alliant AR-Comp
<<locked>>
81%
42424
66%
**38
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
34011
53%
**41
95%
Alliant Reloder-10x
<<locked>>
81%
50299
79%
**30
100%
[Alliant Reloder-15]*
<<locked>>
81%
36666
57%
**10
94%
[Alliant Reloder-16]*
<<locked>>
88%
33025
52%
**44
90%
[Alliant Reloder-17]*
<<locked>>
81%
29486
46%
**56
90%
Baschieri & Pellagri 106
<<locked>>
81%
52707
83%
**00
100%
Baschieri & Pellagri 107
<<locked>>
81%
40248
63%
**99
95%
Hodgdon BL-C2
<<locked>>
81%
41959
66%
**51
98%
Hodgdon Benchmark
<<locked>>
81%
45121
71%
**25
99%
[Hodgdon CFE223]*
<<locked>>
81%
35056
55%
**97
92%
Hodgdon H322
<<locked>>
81%
45788
72%
**91
100%
[Hodgdon H380]*
<<locked>>
81%
34403
54%
**31
91%
[Hodgdon H414]*
<<locked>>
89%
40074
63%
**18
90%
[Hodgdon Hybrid 100V]*
<<locked>>
86%
28152
44%
**67
90%
[Hodgdon LVR]*
<<locked>>
86%
34069
53%
**54
90%
[Hodgdon Superperformance]*
<<locked>>
94%
43961
69%
**04
90%
[Hodgdon VARGET]*
<<locked>>
81%
34722
54%
**25
93%
Hodgdon TrailBoss
<<locked>>
81%
26310
41%
**37
100%
IMR 3031
<<locked>>
81%
36869
58%
**46
100%
[IMR 4064]*
<<locked>>
81%
34011
53%
**95
93%
[IMR 4166 Enduron]*
<<locked>>
86%
40089
63%
**04
90%
IMR 4198
<<locked>>
81%
51082
80%
**04
100%
[IMR 4451 Enduron]*
<<locked>>
88%
40698
64%
**43
90%
[IMR 4831]*
<<locked>>
91%
31473
49%
**92
90%
IMR 4895
<<locked>>
81%
37594
59%
**56
95%
IMR 8208 XBR
<<locked>>
81%
43076
67%
**22
98%
Lovex D073.4
<<locked>>
81%
51097
80%
**66
100%
Lovex D073.5
<<locked>>
81%
48776
76%
**30
99%
Lovex D073.6
<<locked>>
81%
39233
61%
**76
99%
Lovex S060
<<locked>>
81%
41466
65%
**43
96%
Lovex S062
<<locked>>
81%
36056
57%
**67
96%
[Lovex S065]*
<<locked>>
87%
35389
55%
**31
90%
[Lovex S070]*
<<locked>>
92%
39160
61%
**43
90%
Norma 201
<<locked>>
81%
40393
63%
**63
97%
Norma 202
<<locked>>
81%
40190
63%
**79
99%
[Norma 203B]*
<<locked>>
81%
36187
57%
**04
94%
[Norma URP]*
<<locked>>
88%
32416
51%
**22
90%
[Ramshot Big Game]*
<<locked>>
81%
35665
56%
**04
94%
[Ramshot Hunter]*
<<locked>>
93%
37492
59%
**56
90%
[Ramshot TAC]*
<<locked>>
81%
43149
68%
**12
94%
Ramshot Wild Boar
<<locked>>
81%
42351
66%
**41
96%
Ramshot X-Terminator
<<locked>>
81%
46731
73%
**77
97%
ReloadSwiss RS 14
<<locked>>
81%
26281
41%
**73
100%
ReloadSwiss RS 40
<<locked>>
81%
48602
76%
**36
100%
[ReloadSwiss RS 50]*
<<locked>>
83%
37652
59%
**84
90%
ReloadSwiss RS 52
<<locked>>
81%
34548
54%
**04
96%
[ReloadSwiss RS 60]*
<<locked>>
81%
28761
45%
**36
91%
[ReloadSwiss RS 62]*
<<locked>>
89%
33591
53%
**81
90%
[ReloadSwiss RS 70]*
<<locked>>
91%
36434
57%
**43
90%
Rottweil R 901
<<locked>>
81%
44222
69%
**35
100%
Rottweil R 902
<<locked>>
81%
38087
60%
**00
97%
[Rottweil R 903]*
<<locked>>
81%
31314
49%
**69
93%
[Rottweil R 907]*
<<locked>>
91%
42380
66%
**79
90%
[SNPE Vectan SP 11]*
<<locked>>
81%
32547
51%
**18
92%
[SNPE Vectan SP 7]*
<<locked>>
81%
41379
65%
**79
94%
SNPE Vectan SP 9
<<locked>>
81%
39537
62%
**59
96%
SNPE Vectan Tubal 3000
<<locked>>
81%
41930
66%
**27
99%
SNPE Vectan Tubal 5000
<<locked>>
81%
34519
54%
**69
99%
[SNPE Vectan Tubal 7000]*
<<locked>>
90%
38783
61%
**77
90%
[Shooters World Long Rifle]*
<<locked>>
87%
35389
55%
**31
90%
Shooters World Match Rifle
<<locked>>
81%
39233
61%
**76
99%
Shooters World Precision
<<locked>>
81%
36056
57%
**67
96%
Shooters World Tactical Rifle
<<locked>>
81%
51547
81%
**53
99%
Somchem S321
<<locked>>
81%
46775
73%
**14
99%
Somchem S335
<<locked>>
81%
41423
65%
**33
100%
Somchem S341
<<locked>>
81%
41104
64%
**86
96%
[Somchem S355]*
<<locked>>
81%
32605
51%
**92
93%
[Somchem S365]*
<<locked>>
84%
26063
41%
**44
90%
Vihtavuori N130
<<locked>>
81%
46528
73%
**12
100%
Vihtavuori N133
<<locked>>
81%
39030
61%
**77
100%
Vihtavuori N135
<<locked>>
81%
31314
49%
**46
99%
Vihtavuori N140
<<locked>>
81%
37463
59%
**90
99%
[Vihtavuori N150]*
<<locked>>
81%
27543
43%
**18
93%
[Vihtavuori N160]*
<<locked>>
85%
32401
51%
**89
90%
Vihtavuori N530
<<locked>>
81%
45208
71%
**84
98%
Vihtavuori N540
<<locked>>
81%
37463
59%
**10
99%
[Vihtavuori N550]*
<<locked>>
85%
32605
51%
**28
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
28007
44%
**15
90%
Winchester 748
<<locked>>
81%
45890
72%
**33
99%
[Winchester 760]*
<<locked>>
89%
40074
63%
**18
90%
Winchester StaBALL Match
<<locked>>
81%
49095
77%
**89
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.

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