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Load data for .257 Roberts + .257 | 90gr | IBEX TRD

Recommended Powder(s): ReloadSwiss RS 52, ReloadSwiss RS 60, Rottweil R 903, Somchem S355

.257 Roberts + .257 | 90gr | IBEX TRD

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.257 | 90gr | IBEX TRD
Manufacturer SKU:
T9024
Bullet Weight:
90gr | 5.8g
Bullet Diameter:
0.257" | 6.53mm
Bullet Length:
1.063" | 27.0mm
Caliber:
.257 Roberts load data
Case Length (l3):
2.233" | 56.7mm
Cartridge Length (C.O.L.):
2.733" | 69.4mm
Seated Depth:
0.563" | 14.3mm
Shank Seated Depth:
0.469" | 11.9mm
Case Capacity:
56.0 Grains of Water | 3.64 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
51488 psi | 3550 bar
LID:
LID_B7005_C241
Last updated:
2025-01-01
Recommended Twist Rate:
1:10 - 1:8

Load data for 110 loads in caliber .257 Roberts with .257 | 90gr | IBEX TRD bullet and 55 powders such as ReloadSwiss RS 52, ReloadSwiss RS 60, Rottweil R 903, Somchem S355. 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 2208
<<locked>>
87%
45498
88%
**89
97%
Accurate 4064
<<locked>>
86%
45629
89%
**05
100%
Accurate 4350
<<locked>>
96%
46311
90%
**91
96%
Alliant Reloder- TS 15.5
<<locked>>
88%
45832
89%
**35
98%
Alliant Reloder-15
<<locked>>
86%
46325
90%
**41
97%
Alliant Reloder-16
<<locked>>
96%
45397
88%
**77
96%
Alliant Reloder-17
<<locked>>
92%
45716
89%
**17
98%
[Alliant Reloder-23]*
<<locked>>
97%
33692
65%
**95
93%
Hodgdon CFE223
<<locked>>
87%
45701
89%
**58
96%
Hodgdon H380
<<locked>>
87%
45992
89%
**12
95%
[Hodgdon H414]*
<<locked>>
91%
46325
90%
**68
93%
Hodgdon Hybrid 100V
<<locked>>
97%
42583
83%
**76
97%
Hodgdon LVR
<<locked>>
93%
46006
89%
**68
95%
Hodgdon VARGET
<<locked>>
88%
45890
89%
**99
97%
Hodgdon TrailBoss
<<locked>>
97%
33982
66%
**49
100%
IMR 3031
<<locked>>
85%
45614
89%
**41
100%
IMR 4064
<<locked>>
88%
45629
89%
**79
97%
[IMR 4166 Enduron]*
<<locked>>
88%
45527
88%
**33
92%
[IMR 4350]*
<<locked>>
96%
45847
89%
**89
92%
[IMR 4451 Enduron]*
<<locked>>
90%
45585
89%
**66
92%
IMR 4831
<<locked>>
97%
40741
79%
**40
95%
IMR 4895
<<locked>>
84%
45484
88%
**45
97%
Lovex S062
<<locked>>
86%
45542
88%
**86
98%
[Lovex S065]*
<<locked>>
92%
45730
89%
**86
94%
[Lovex S070]*
<<locked>>
94%
45992
89%
**02
93%
Norma 203B
<<locked>>
86%
45469
88%
**28
97%
Norma URP
<<locked>>
96%
46064
89%
**84
96%
Ramshot Big Game
<<locked>>
86%
45629
89%
**48
97%
[Ramshot Hunter]*
<<locked>>
96%
45861
89%
**68
94%
ReloadSwiss RS 14
<<locked>>
97%
34563
67%
**95
100%
[ReloadSwiss RS 50]*
<<locked>>
87%
45759
89%
**79
93%
ReloadSwiss RS 52 👍
<<locked>>
87%
46064
89%
**77
99%
ReloadSwiss RS 60 👍
<<locked>>
93%
46296
90%
**50
99%
ReloadSwiss RS 62
<<locked>>
96%
45643
89%
**97
96%
ReloadSwiss RS 70
<<locked>>
96%
46079
89%
**97
95%
Rottweil R 902
<<locked>>
84%
46195
90%
**76
99%
Rottweil R 903 👍
<<locked>>
90%
46195
90%
**31
98%
[Rottweil R 907]*
<<locked>>
91%
46151
90%
**66
92%
SNPE Vectan SP 11
<<locked>>
89%
45614
89%
**61
97%
SNPE Vectan Tubal 5000
<<locked>>
88%
46209
90%
**23
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
93%
45730
89%
**20
93%
[Shooters World Long Rifle]*
<<locked>>
92%
45730
89%
**86
94%
Shooters World Precision
<<locked>>
86%
45542
88%
**86
98%
Somchem S355 👍
<<locked>>
90%
46325
90%
**22
98%
Somchem S365
<<locked>>
96%
41626
81%
**31
98%
Vihtavuori N133
<<locked>>
84%
45861
89%
**17
100%
Vihtavuori N135
<<locked>>
90%
45150
88%
**69
100%
Vihtavuori N140
<<locked>>
85%
45905
89%
**76
100%
Vihtavuori N150
<<locked>>
94%
45252
88%
**76
99%
Vihtavuori N160
<<locked>>
93%
46050
89%
**28
96%
Vihtavuori N540
<<locked>>
85%
45469
88%
**89
100%
Vihtavuori N550
<<locked>>
93%
46195
90%
**81
96%
[Vihtavuori N555]*
<<locked>>
96%
35607
69%
**81
93%
Winchester 6.5 StaBALL
<<locked>>
94%
45614
89%
**89
98%
[Winchester 760]*
<<locked>>
91%
46325
90%
**68
93%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2208]*
<<locked>>
81%
37492
73%
**02
94%
Accurate 4064
<<locked>>
81%
39407
77%
**74
99%
[Accurate 4350]*
<<locked>>
84%
31082
60%
**13
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
37144
72%
**31
96%
Alliant Reloder-15
<<locked>>
81%
40074
78%
**04
95%
[Alliant Reloder-16]*
<<locked>>
85%
32605
63%
**36
90%
[Alliant Reloder-17]*
<<locked>>
81%
32184
63%
**59
92%
[Alliant Reloder-23]*
<<locked>>
92%
30037
58%
**74
90%
[Hodgdon CFE223]*
<<locked>>
81%
38116
74%
**81
93%
[Hodgdon H380]*
<<locked>>
81%
37927
74%
**28
93%
[Hodgdon H414]*
<<locked>>
87%
40016
78%
**20
90%
[Hodgdon Hybrid 100V]*
<<locked>>
82%
28253
55%
**79
90%
[Hodgdon LVR]*
<<locked>>
84%
34374
67%
**72
90%
[Hodgdon VARGET]*
<<locked>>
81%
37289
72%
**95
94%
Hodgdon TrailBoss
<<locked>>
81%
26818
52%
**78
100%
IMR 3031
<<locked>>
81%
39827
77%
**23
100%
[IMR 4064]*
<<locked>>
81%
37130
72%
**89
94%
[IMR 4166 Enduron]*
<<locked>>
83%
39450
77%
**99
90%
[IMR 4350]*
<<locked>>
92%
41568
81%
**00
90%
[IMR 4451 Enduron]*
<<locked>>
85%
39610
77%
**31
90%
[IMR 4831]*
<<locked>>
88%
30893
60%
**84
90%
IMR 4895
<<locked>>
81%
40886
79%
**33
96%
Lovex S062
<<locked>>
81%
39537
77%
**58
97%
[Lovex S065]*
<<locked>>
83%
35041
68%
**20
90%
[Lovex S070]*
<<locked>>
89%
38957
76%
**41
90%
Norma 203B
<<locked>>
81%
39233
76%
**87
96%
[Norma URP]*
<<locked>>
84%
32271
63%
**36
90%
Ramshot Big Game
<<locked>>
81%
38421
75%
**81
95%
[Ramshot Hunter]*
<<locked>>
90%
37362
73%
**61
90%
ReloadSwiss RS 14
<<locked>>
81%
27325
53%
**24
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
38000
74%
**05
90%
ReloadSwiss RS 52
<<locked>>
81%
37811
73%
**94
97%
[ReloadSwiss RS 60]*
<<locked>>
81%
31560
61%
**40
93%
[ReloadSwiss RS 62]*
<<locked>>
86%
32851
64%
**66
90%
[ReloadSwiss RS 70]*
<<locked>>
89%
36593
71%
**58
90%
Rottweil R 902
<<locked>>
81%
41423
80%
**77
98%
Rottweil R 903
<<locked>>
81%
35027
68%
**76
95%
[Rottweil R 907]*
<<locked>>
88%
41423
80%
**67
90%
[SNPE Vectan SP 11]*
<<locked>>
81%
35679
69%
**15
94%
SNPE Vectan Tubal 5000
<<locked>>
81%
37289
72%
**46
99%
[SNPE Vectan Tubal 7000]*
<<locked>>
88%
39102
76%
**89
90%
[Shooters World Long Rifle]*
<<locked>>
83%
35041
68%
**20
90%
Shooters World Precision
<<locked>>
81%
39537
77%
**58
97%
Somchem S355
<<locked>>
81%
35781
69%
**89
95%
[Somchem S365]*
<<locked>>
81%
26556
52%
**72
91%
Vihtavuori N133
<<locked>>
81%
41901
81%
**38
100%
Vihtavuori N135
<<locked>>
81%
34940
68%
**49
100%
Vihtavuori N140
<<locked>>
81%
40509
79%
**61
99%
Vihtavuori N150
<<locked>>
81%
30937
60%
**35
95%
[Vihtavuori N160]*
<<locked>>
82%
32111
62%
**87
90%
Vihtavuori N540
<<locked>>
81%
40190
78%
**81
99%
[Vihtavuori N550]*
<<locked>>
81%
31850
62%
**20
90%
[Vihtavuori N555]*
<<locked>>
91%
30139
59%
**20
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
30603
59%
**08
92%
[Winchester 760]*
<<locked>>
87%
40016
78%
**20
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.

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