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Load data for .256 Mag. Gibbs + .257 | 90gr | Barnes BND SPIT-FIRE

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Recommended Powder(s): ReloadSwiss RS 52, ReloadSwiss RS 60

.256 Mag. Gibbs + .257 | 90gr | Barnes BND SPIT-FIRE

Load Specifications

Bullet:
.257 | 90gr | Barnes BND SPIT-FIRE
Manufacturer SKU:
25793
Bullet Weight:
90gr | 5.8g
Bullet Diameter:
0.257" | 6.53mm
Bullet Length:
1.088" | 27.6mm
Caliber:
.256 Mag. Gibbs
Case Length (l3):
2.173" | 55.2mm
Cartridge Length (C.O.L.):
3.004" | 76.3mm
Seated Depth:
0.257" | 6.5mm
Shank Seated Depth:
0.157" | 4.0mm
Case Capacity:
56.0 Grains of Water | 3.64 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
49313 psi | 3400 bar
LID:
LID_B493_C231
Recommended Twist Rate:
1:10 - 1:8

>> Use the Personalized Load Calculator further below to adjust input parameters. 

Load data for 112 loads in caliber .256 Mag. Gibbs with .257 | 90gr | Barnes BND SPIT-FIRE bullet and 56 powders such as ReloadSwiss RS 52, ReloadSwiss RS 60. 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%
43584
88%
**05
97%
Accurate 4064
<<locked>>
87%
43888
89%
**41
100%
Accurate 4350
<<locked>>
95%
43830
89%
**94
96%
Alliant Reloder- TS 15.5
<<locked>>
87%
43758
89%
**48
98%
Alliant Reloder-15
<<locked>>
85%
43990
89%
**54
97%
Alliant Reloder-16
<<locked>>
95%
43714
89%
**10
96%
Alliant Reloder-17
<<locked>>
91%
43598
88%
**36
98%
[Alliant Reloder-23]*
<<locked>>
97%
31894
65%
**02
93%
Hodgdon CFE223
<<locked>>
86%
43656
89%
**74
96%
Hodgdon H380
<<locked>>
87%
43656
89%
**25
95%
[Hodgdon H414]*
<<locked>>
91%
44121
89%
**87
93%
[Hodgdon H4350]*
<<locked>>
97%
43903
89%
**05
91%
Hodgdon Hybrid 100V
<<locked>>
97%
41669
85%
**18
97%
Hodgdon LVR
<<locked>>
92%
43323
88%
**61
95%
Hodgdon VARGET
<<locked>>
88%
44092
89%
**18
97%
Hodgdon TrailBoss
<<locked>>
96%
33011
67%
**82
100%
IMR 3031
<<locked>>
85%
44164
90%
**64
100%
IMR 4064
<<locked>>
88%
43526
88%
**95
97%
[IMR 4166 Enduron]*
<<locked>>
88%
43859
89%
**59
92%
[IMR 4350]*
<<locked>>
95%
44324
90%
**22
92%
[IMR 4451 Enduron]*
<<locked>>
89%
43656
89%
**82
92%
[IMR 4831]*
<<locked>>
96%
38479
78%
**53
94%
IMR 4895
<<locked>>
85%
44179
90%
**68
97%
Lovex S062
<<locked>>
86%
43787
89%
**15
98%
[Lovex S065]*
<<locked>>
92%
43787
89%
**05
94%
[Lovex S070]*
<<locked>>
94%
44063
89%
**25
93%
Norma 203B
<<locked>>
86%
44295
90%
**61
97%
Norma URP
<<locked>>
95%
43627
88%
**91
96%
Ramshot Big Game
<<locked>>
86%
43859
89%
**64
97%
[Ramshot Hunter]*
<<locked>>
96%
43874
89%
**84
94%
ReloadSwiss RS 14
<<locked>>
96%
33373
68%
**28
100%
[ReloadSwiss RS 50]*
<<locked>>
87%
44092
89%
**09
93%
ReloadSwiss RS 52 👍
<<locked>>
87%
44092
89%
**94
99%
ReloadSwiss RS 60 👍
<<locked>>
92%
44280
90%
**59
99%
ReloadSwiss RS 62
<<locked>>
96%
43976
89%
**10
96%
ReloadSwiss RS 70
<<locked>>
95%
44237
90%
**23
95%
Rottweil R 902
<<locked>>
84%
43729
89%
**99
98%
Rottweil R 903
<<locked>>
89%
43642
88%
**48
98%
[Rottweil R 907]*
<<locked>>
91%
43845
89%
**82
92%
SNPE Vectan SP 11
<<locked>>
88%
43685
89%
**74
97%
SNPE Vectan Tubal 5000
<<locked>>
87%
43613
88%
**33
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
92%
44179
90%
**53
93%
[Shooters World Long Rifle]*
<<locked>>
92%
43787
89%
**05
94%
Shooters World Precision
<<locked>>
86%
43787
89%
**15
98%
Somchem S355
<<locked>>
89%
43555
88%
**31
98%
Somchem S365
<<locked>>
97%
41220
84%
**71
98%
Vihtavuori N133
<<locked>>
84%
44193
90%
**49
100%
Vihtavuori N135
<<locked>>
90%
43801
89%
**02
100%
Vihtavuori N140
<<locked>>
85%
44063
89%
**95
100%
Vihtavuori N150
<<locked>>
94%
44193
90%
**15
99%
Vihtavuori N160
<<locked>>
92%
43569
88%
**35
96%
Vihtavuori N540
<<locked>>
85%
43903
89%
**15
100%
Vihtavuori N550
<<locked>>
92%
43801
89%
**87
96%
[Vihtavuori N555]*
<<locked>>
96%
33823
69%
**84
93%
Winchester 6.5 StaBALL
<<locked>>
93%
43990
89%
**22
98%
[Winchester 760]*
<<locked>>
91%
44121
89%
**87
93%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2208]*
<<locked>>
81%
36129
73%
**25
94%
Accurate 4064
<<locked>>
81%
36172
73%
**71
99%
[Accurate 4350]*
<<locked>>
85%
30269
61%
**46
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
35418
72%
**48
96%
Alliant Reloder-15
<<locked>>
81%
38029
77%
**13
95%
[Alliant Reloder-16]*
<<locked>>
86%
32097
65%
**82
90%
[Alliant Reloder-17]*
<<locked>>
81%
30705
62%
**72
92%
[Alliant Reloder-23]*
<<locked>>
93%
28326
57%
**87
90%
[Hodgdon CFE223]*
<<locked>>
81%
36825
75%
**07
93%
[Hodgdon H380]*
<<locked>>
81%
35940
73%
**41
92%
[Hodgdon H414]*
<<locked>>
87%
38725
79%
**53
90%
[Hodgdon H4350]*
<<locked>>
94%
40596
82%
**30
90%
[Hodgdon Hybrid 100V]*
<<locked>>
84%
27195
55%
**08
90%
[Hodgdon LVR]*
<<locked>>
84%
32866
67%
**92
90%
[Hodgdon VARGET]*
<<locked>>
81%
35795
73%
**15
94%
Hodgdon TrailBoss
<<locked>>
81%
26237
53%
**21
100%
IMR 3031
<<locked>>
81%
38566
78%
**53
100%
[IMR 4064]*
<<locked>>
81%
35215
71%
**02
94%
[IMR 4166 Enduron]*
<<locked>>
83%
38014
77%
**25
90%
[IMR 4350]*
<<locked>>
92%
39929
81%
**20
90%
[IMR 4451 Enduron]*
<<locked>>
85%
38537
78%
**61
90%
[IMR 4831]*
<<locked>>
89%
30327
62%
**30
90%
IMR 4895
<<locked>>
81%
38885
79%
**56
96%
Lovex S062
<<locked>>
81%
37884
77%
**84
97%
[Lovex S065]*
<<locked>>
84%
34214
69%
**69
90%
[Lovex S070]*
<<locked>>
89%
37304
76%
**64
90%
Norma 203B
<<locked>>
81%
37420
76%
**00
95%
[Norma URP]*
<<locked>>
85%
31009
63%
**59
90%
Ramshot Big Game
<<locked>>
81%
37144
75%
**17
95%
[Ramshot Hunter]*
<<locked>>
90%
36405
74%
**97
90%
ReloadSwiss RS 14
<<locked>>
81%
26701
54%
**64
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
36782
75%
**28
90%
ReloadSwiss RS 52
<<locked>>
81%
36216
73%
**10
97%
[ReloadSwiss RS 60]*
<<locked>>
81%
29820
60%
**49
92%
[ReloadSwiss RS 62]*
<<locked>>
87%
32111
65%
**12
90%
[ReloadSwiss RS 70]*
<<locked>>
89%
35172
71%
**77
90%
Rottweil R 902
<<locked>>
81%
39421
80%
**04
97%
[Rottweil R 903]*
<<locked>>
81%
32793
67%
**82
94%
[Rottweil R 907]*
<<locked>>
88%
40263
82%
**04
90%
[SNPE Vectan SP 11]*
<<locked>>
81%
34040
69%
**31
94%
SNPE Vectan Tubal 5000
<<locked>>
81%
35824
73%
**66
99%
[SNPE Vectan Tubal 7000]*
<<locked>>
88%
37739
77%
**18
90%
[Shooters World Long Rifle]*
<<locked>>
84%
34214
69%
**69
90%
Shooters World Precision
<<locked>>
81%
37884
77%
**84
97%
Somchem S355
<<locked>>
81%
33707
68%
**92
95%
[Somchem S365]*
<<locked>>
82%
25309
51%
**95
90%
Vihtavuori N133
<<locked>>
81%
40756
83%
**74
100%
Vihtavuori N135
<<locked>>
81%
32837
67%
**49
99%
Vihtavuori N140
<<locked>>
81%
38928
79%
**90
99%
[Vihtavuori N150]*
<<locked>>
81%
28572
58%
**25
94%
[Vihtavuori N160]*
<<locked>>
82%
30995
63%
**17
90%
Vihtavuori N540
<<locked>>
81%
38609
78%
**00
99%
[Vihtavuori N550]*
<<locked>>
82%
31227
63%
**62
90%
[Vihtavuori N555]*
<<locked>>
92%
29066
59%
**46
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
28819
58%
**15
91%
[Winchester 760]*
<<locked>>
87%
38725
79%
**53
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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