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Load data for .25 WYB RPM + .257 | 100gr | Nosler Ballistic Tip Hunting

Recommended Powder(s): Alliant Reloder-26, Ramshot Hunter, ReloadSwiss RS 70, Vihtavuori N555, Winchester StaBALL HD

.25 WYB RPM + .257 | 100gr | Nosler Ballistic Tip Hunting

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.257 | 100gr | Nosler Ballistic Tip Hunting
Manufacturer SKU:
25100
Bullet Weight:
100gr | 6.5g
Bullet Diameter:
0.257" | 6.53mm
Bullet Length:
<<locked>>
Caliber:
.25 WYB RPM load data
Case Length (l3):
2.400" | 61.0mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
72.5 Grains of Water | 4.71 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
65000 psi | 4482 bar
LID:
LID_B4000_C992
Last updated:
2026-07-02
Recommended Twist Rate:
1:10 - 1:9

Load data for 148 loads in caliber .25 WYB RPM with .257 | 100gr | Nosler Ballistic Tip Hunting bullet and 74 powders such as Alliant Reloder-26, Ramshot Hunter, ReloadSwiss RS 70, Vihtavuori N555, Winchester StaBALL HD. 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%
57798
89%
**19
100%
ADI AR 2209
<<locked>>
95%
58262
90%
**20
98%
ADI AR 2213
<<locked>>
97%
56144
86%
**14
97%
[ADI AR 2217]*
<<locked>>
97%
40843
63%
**56
92%
[ADI AR 2225]*
<<locked>>
97%
36506
56%
**07
94%
Accurate 3100
<<locked>>
97%
56666
87%
**32
100%
Accurate 4350
<<locked>>
89%
57812
89%
**74
100%
Accurate MAGPRO
<<locked>>
96%
58204
90%
**66
96%
Alliant Reloder- TS 15.5
<<locked>>
83%
57928
89%
**25
100%
Alliant Reloder-16
<<locked>>
90%
57696
89%
**17
100%
Alliant Reloder-17
<<locked>>
86%
57479
88%
**17
100%
Alliant Reloder-19
<<locked>>
95%
57725
89%
**91
98%
Alliant Reloder-22
<<locked>>
97%
55796
86%
**04
98%
Alliant Reloder-23
<<locked>>
97%
53113
82%
**28
100%
Alliant Reloder-25
<<locked>>
97%
45643
70%
**33
99%
Alliant Reloder-26 👍
<<locked>>
95%
58073
89%
**92
100%
[Baschieri & Pellagri 109]*
<<locked>>
97%
55550
85%
**09
94%
Bofors RP15
<<locked>>
97%
51111
79%
**05
97%
[Bofors RP30]*
<<locked>>
97%
42438
65%
**51
94%
Bofors RP5
<<locked>>
97%
55796
86%
**04
98%
Bofors RP7
<<locked>>
87%
57899
89%
**32
99%
Hodgdon H1000
<<locked>>
97%
45237
70%
**71
95%
Hodgdon H414
<<locked>>
88%
58030
89%
**94
99%
Hodgdon H4350
<<locked>>
86%
57522
88%
**64
99%
Hodgdon H4831
<<locked>>
96%
57914
89%
**71
97%
Hodgdon H4831 SC
<<locked>>
96%
57914
89%
**71
97%
Hodgdon Hybrid 100V
<<locked>>
93%
58436
90%
**38
100%
Hodgdon Retumbo
<<locked>>
97%
44933
69%
**79
96%
Hodgdon Superformance
<<locked>>
87%
57798
89%
**17
99%
Hodgdon TrailBoss
<<locked>>
97%
35302
54%
**44
100%
IMR 4350
<<locked>>
91%
58175
90%
**55
99%
IMR 4451 Enduron
<<locked>>
87%
58320
90%
**38
99%
IMR 4831
<<locked>>
91%
57682
89%
**58
100%
IMR 4955 Enduron
<<locked>>
95%
58189
90%
**45
97%
IMR 7828 SSC
<<locked>>
97%
54157
83%
**84
97%
Lovex S065
<<locked>>
88%
58001
89%
**22
100%
Lovex S070
<<locked>>
89%
57841
89%
**48
99%
Lovex S071
<<locked>>
97%
46905
72%
**58
99%
Norma 204
<<locked>>
90%
58131
89%
**87
98%
Norma MRP
<<locked>>
96%
57812
89%
**69
99%
Norma URP
<<locked>>
90%
57957
89%
**78
100%
Ramshot Grand
<<locked>>
97%
54549
84%
**97
97%
Ramshot Hunter 👍
<<locked>>
90%
58160
89%
**97
100%
Ramshot Magnum
<<locked>>
97%
49124
76%
**53
98%
ReloadSwiss RS 14
<<locked>>
96%
35824
55%
**83
100%
ReloadSwiss RS 60
<<locked>>
84%
58407
90%
**27
100%
ReloadSwiss RS 62
<<locked>>
89%
57943
89%
**87
100%
ReloadSwiss RS 70 👍
<<locked>>
90%
57899
89%
**56
100%
ReloadSwiss RS 76
<<locked>>
97%
44831
69%
**66
98%
Rottweil R 903
<<locked>>
85%
58291
90%
**25
100%
Rottweil R 904
<<locked>>
94%
58030
89%
**48
97%
Rottweil R 905
<<locked>>
95%
58044
89%
**97
99%
Rottweil R 907
<<locked>>
87%
57899
89%
**32
99%
SNPE Vectan SP 11
<<locked>>
84%
58001
89%
**64
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
57595
89%
**91
100%
SNPE Vectan Tubal 7000
<<locked>>
89%
58247
90%
**86
99%
SNPE Vectan Tubal 8000
<<locked>>
96%
58450
90%
**10
99%
Shooters World Long Rifle
<<locked>>
88%
58001
89%
**22
100%
Shooters World SW4350
<<locked>>
89%
57841
89%
**48
99%
Somchem S355
<<locked>>
85%
58015
89%
**28
100%
Somchem S361
<<locked>>
93%
58392
90%
**12
97%
Somchem S365
<<locked>>
92%
57986
89%
**78
100%
Somchem S385
<<locked>>
95%
58059
89%
**68
99%
Vihtavuori N150
<<locked>>
86%
58450
90%
**79
100%
Vihtavuori N160
<<locked>>
89%
58131
89%
**51
100%
Vihtavuori N165
<<locked>>
97%
54172
83%
**86
98%
Vihtavuori N550
<<locked>>
89%
57754
89%
**58
100%
Vihtavuori N555 👍
<<locked>>
96%
58204
90%
**04
100%
Vihtavuori N560
<<locked>>
96%
57537
89%
**56
97%
Vihtavuori N565
<<locked>>
97%
48515
75%
**63
95%
Winchester 6.5 StaBALL
<<locked>>
89%
58436
90%
**09
100%
Winchester 760
<<locked>>
88%
57537
89%
**91
99%
Winchester StaBALL HD 👍
<<locked>>
97%
50169
77%
**04
100%
Winchester Supreme 780
<<locked>>
96%
57653
89%
**41
98%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
52634
81%
**36
100%
[ADI AR 2209]*
<<locked>>
81%
36985
57%
**61
92%
[ADI AR 2213]*
<<locked>>
85%
37492
58%
**94
90%
[ADI AR 2217]*
<<locked>>
94%
37057
57%
**58
90%
[ADI AR 2225]*
<<locked>>
92%
31314
48%
**40
90%
[Accurate 3100]*
<<locked>>
81%
32808
50%
**10
94%
Accurate 4350
<<locked>>
81%
44309
68%
**18
99%
[Accurate MAGPRO]*
<<locked>>
86%
39827
61%
**82
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
53519
82%
**56
100%
Alliant Reloder-16
<<locked>>
81%
42351
65%
**31
99%
Alliant Reloder-17
<<locked>>
81%
48878
75%
**66
100%
[Alliant Reloder-19]*
<<locked>>
81%
37028
57%
**54
92%
[Alliant Reloder-22]*
<<locked>>
81%
32996
51%
**76
90%
Alliant Reloder-23
<<locked>>
81%
31299
48%
**40
97%
[Alliant Reloder-25]*
<<locked>>
81%
27514
42%
**12
90%
Alliant Reloder-26
<<locked>>
81%
34127
52%
**84
96%
[Baschieri & Pellagri 109]*
<<locked>>
91%
46064
71%
**05
90%
[Bofors RP15]*
<<locked>>
83%
32996
51%
**79
90%
[Bofors RP30]*
<<locked>>
92%
35505
55%
**67
90%
[Bofors RP5]*
<<locked>>
81%
32996
51%
**76
90%
Bofors RP7
<<locked>>
81%
47297
73%
**35
97%
[Hodgdon H1000]*
<<locked>>
90%
35505
55%
**22
90%
Hodgdon H414
<<locked>>
81%
45818
70%
**74
97%
Hodgdon H4350
<<locked>>
81%
48515
75%
**94
97%
[Hodgdon H4831]*
<<locked>>
84%
38493
59%
**74
90%
[Hodgdon H4831 SC]*
<<locked>>
84%
38493
59%
**74
90%
Hodgdon Hybrid 100V
<<locked>>
81%
40045
62%
**04
99%
[Hodgdon Retumbo]*
<<locked>>
88%
33750
52%
**51
90%
Hodgdon Superformance
<<locked>>
81%
45295
70%
**77
97%
Hodgdon TrailBoss
<<locked>>
81%
28065
43%
**70
100%
IMR 4350
<<locked>>
81%
42801
66%
**49
96%
IMR 4451 Enduron
<<locked>>
81%
48515
75%
**54
98%
IMR 4831
<<locked>>
81%
41959
65%
**63
99%
[IMR 4955 Enduron]*
<<locked>>
81%
37101
57%
**95
90%
[IMR 7828 SSC]*
<<locked>>
86%
37130
57%
**84
90%
Lovex S065
<<locked>>
81%
46108
71%
**99
99%
Lovex S070
<<locked>>
81%
44425
68%
**89
97%
[Lovex S071]*
<<locked>>
81%
27862
43%
**62
91%
Norma 204
<<locked>>
81%
42685
66%
**86
95%
[Norma MRP]*
<<locked>>
81%
33953
52%
**35
93%
Norma URP
<<locked>>
81%
43468
67%
**15
99%
[Ramshot Grand]*
<<locked>>
86%
36347
56%
**81
90%
Ramshot Hunter
<<locked>>
81%
42351
65%
**89
97%
[Ramshot Magnum]*
<<locked>>
85%
31778
49%
**23
90%
ReloadSwiss RS 14
<<locked>>
81%
28529
44%
**16
100%
ReloadSwiss RS 60
<<locked>>
81%
51706
80%
**25
100%
ReloadSwiss RS 62
<<locked>>
81%
44092
68%
**45
99%
ReloadSwiss RS 70
<<locked>>
81%
42540
65%
**45
98%
[ReloadSwiss RS 76]*
<<locked>>
87%
31531
49%
**72
90%
Rottweil R 903
<<locked>>
81%
51227
79%
**14
100%
[Rottweil R 904]*
<<locked>>
81%
38392
59%
**48
92%
[Rottweil R 905]*
<<locked>>
81%
35984
55%
**35
92%
Rottweil R 907
<<locked>>
81%
47297
73%
**35
97%
SNPE Vectan SP 11
<<locked>>
81%
52852
81%
**79
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
51547
79%
**92
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
45353
70%
**43
97%
[SNPE Vectan Tubal 8000]*
<<locked>>
81%
35650
55%
**25
92%
Shooters World Long Rifle
<<locked>>
81%
46108
71%
**99
99%
Shooters World SW4350
<<locked>>
81%
44425
68%
**89
97%
Somchem S355
<<locked>>
81%
51111
79%
**14
100%
[Somchem S361]*
<<locked>>
81%
39233
60%
**28
91%
Somchem S365
<<locked>>
81%
40074
62%
**63
100%
[Somchem S385]*
<<locked>>
81%
36651
56%
**25
94%
Vihtavuori N150
<<locked>>
81%
49066
75%
**35
100%
Vihtavuori N160
<<locked>>
81%
44991
69%
**12
99%
[Vihtavuori N165]*
<<locked>>
81%
31749
49%
**71
91%
Vihtavuori N550
<<locked>>
81%
44425
68%
**09
99%
Vihtavuori N555
<<locked>>
81%
35128
54%
**35
97%
[Vihtavuori N560]*
<<locked>>
84%
37797
58%
**23
90%
[Vihtavuori N565]*
<<locked>>
89%
36709
56%
**84
90%
Winchester 6.5 StaBALL
<<locked>>
81%
43961
68%
**69
100%
Winchester 760
<<locked>>
81%
46253
71%
**81
98%
Winchester StaBALL HD
<<locked>>
81%
26194
40%
**17
96%
[Winchester Supreme 780]*
<<locked>>
81%
33301
51%
**26
91%

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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