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Load data for .256 Mag. Gibbs + .257 | 75gr | Hornady V-MAX

Recommended Powder(s):

.256 Mag. Gibbs + .257 | 75gr | Hornady V-MAX

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.257 | 75gr | Hornady V-MAX
Manufacturer SKU:
22520
Bullet Weight:
75gr | 4.9g
Bullet Diameter:
0.257" | 6.53mm
Bullet Length:
0.865" | 22.0mm
Caliber:
.256 Mag. Gibbs load data
Case Length (l3):
2.173" | 55.2mm
Cartridge Length (C.O.L.):
2.856" | 72.6mm
Seated Depth:
0.182" | 4.6mm
Shank Seated Depth:
0.122" | 3.1mm
Case Capacity:
56.0 Grains of Water | 3.64 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
49313 psi | 3400 bar
LID:
LID_B2563_C231
Last updated:
2025-01-01
Recommended Twist Rate:
1:13 - 1:11

Load data for 120 loads in caliber .256 Mag. Gibbs with .257 | 75gr | Hornady V-MAX bullet and 60 powder(s). 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>>
85%
43758
89%
**64
95%
[ADI AR 2208]*
<<locked>>
90%
43772
89%
**25
94%
Accurate 2495
<<locked>>
85%
43845
89%
**78
100%
Accurate 2520
<<locked>>
84%
43859
89%
**81
98%
Accurate 4064 👍
<<locked>>
91%
44135
90%
**94
99%
[Accurate 4350]*
<<locked>>
97%
40016
81%
**28
92%
Alliant AR-Comp
<<locked>>
84%
43947
89%
**84
100%
Alliant Reloder- TS 15.5
<<locked>>
91%
44266
90%
**81
96%
Alliant Reloder-15
<<locked>>
89%
44179
90%
**91
95%
[Alliant Reloder-16]*
<<locked>>
96%
40698
83%
**38
92%
Alliant Reloder-17
<<locked>>
95%
43787
89%
**50
96%
[Baschieri & Pellagri 107]*
<<locked>>
85%
43961
89%
**68
94%
Hodgdon BL-C2
<<locked>>
84%
43511
88%
**87
97%
[Hodgdon CFE223]*
<<locked>>
89%
43671
89%
**91
94%
[Hodgdon H380]*
<<locked>>
90%
43874
89%
**55
93%
[Hodgdon Hybrid 100V]*
<<locked>>
96%
36941
75%
**00
93%
[Hodgdon LVR]*
<<locked>>
96%
43816
89%
**91
92%
Hodgdon VARGET
<<locked>>
91%
44106
89%
**45
95%
Hodgdon TrailBoss
<<locked>>
96%
32648
66%
**59
100%
IMR 3031 👍
<<locked>>
88%
43758
89%
**14
100%
IMR 4064
<<locked>>
91%
43555
88%
**28
95%
IMR 4895
<<locked>>
88%
44208
90%
**04
96%
IMR 8208 XBR
<<locked>>
84%
44237
90%
**45
97%
Lovex D073.6
<<locked>>
86%
43859
89%
**81
98%
Lovex S060
<<locked>>
84%
43700
89%
**89
95%
Lovex S062
<<locked>>
89%
43816
89%
**51
97%
[Lovex S065]*
<<locked>>
96%
44295
90%
**32
92%
Norma 201
<<locked>>
85%
43627
88%
**38
97%
Norma 202 👍
<<locked>>
86%
44324
90%
**64
99%
Norma 203B
<<locked>>
89%
44251
90%
**97
96%
[Norma URP]*
<<locked>>
97%
40915
83%
**41
92%
Ramshot Big Game
<<locked>>
89%
43569
88%
**87
95%
[Ramshot TAC]*
<<locked>>
83%
44193
90%
**15
92%
Ramshot Wild Boar
<<locked>>
84%
43859
89%
**61
95%
ReloadSwiss RS 14
<<locked>>
95%
32401
66%
**01
100%
ReloadSwiss RS 52
<<locked>>
90%
44353
90%
**33
97%
ReloadSwiss RS 60
<<locked>>
96%
44280
90%
**76
97%
[ReloadSwiss RS 62]*
<<locked>>
96%
40234
82%
**41
92%
Rottweil R 902
<<locked>>
87%
43888
89%
**32
97%
Rottweil R 903
<<locked>>
93%
43801
89%
**81
96%
SNPE Vectan SP 11
<<locked>>
92%
43932
89%
**07
95%
[SNPE Vectan SP 7]*
<<locked>>
85%
43903
89%
**22
93%
SNPE Vectan SP 9
<<locked>>
86%
43656
89%
**55
95%
SNPE Vectan Tubal 3000
<<locked>>
84%
44077
89%
**79
99%
SNPE Vectan Tubal 5000
<<locked>>
90%
43845
89%
**73
99%
[Shooters World Long Rifle]*
<<locked>>
96%
44295
90%
**32
92%
Shooters World Match Rifle
<<locked>>
86%
43859
89%
**81
98%
Shooters World Precision
<<locked>>
89%
43816
89%
**51
97%
Somchem S335
<<locked>>
85%
43961
89%
**86
99%
Somchem S341
<<locked>>
85%
44034
89%
**38
95%
Somchem S355
<<locked>>
92%
44135
89%
**64
96%
[Somchem S365]*
<<locked>>
97%
36216
73%
**46
94%
Vihtavuori N133
<<locked>>
87%
43772
89%
**86
100%
Vihtavuori N135
<<locked>>
94%
43918
89%
**41
100%
Vihtavuori N140
<<locked>>
87%
43555
88%
**25
99%
Vihtavuori N150
<<locked>>
97%
42815
87%
**09
97%
[Vihtavuori N160]*
<<locked>>
96%
43801
89%
**58
93%
Vihtavuori N540 👍
<<locked>>
88%
44193
90%
**64
99%
[Vihtavuori N550]*
<<locked>>
96%
43511
88%
**91
93%
Winchester 6.5 StaBALL
<<locked>>
97%
44222
90%
**25
96%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2206H]*
<<locked>>
81%
38696
78%
**36
93%
[ADI AR 2208]*
<<locked>>
82%
33504
68%
**63
90%
Accurate 2495
<<locked>>
81%
38377
78%
**59
100%
Accurate 2520
<<locked>>
81%
39320
80%
**66
97%
Accurate 4064
<<locked>>
81%
32271
65%
**89
96%
[Accurate 4350]*
<<locked>>
94%
35824
73%
**14
90%
Alliant AR-Comp
<<locked>>
81%
39175
79%
**92
100%
[Alliant Reloder- TS 15.5]*
<<locked>>
81%
31618
64%
**56
92%
[Alliant Reloder-15]*
<<locked>>
81%
34447
70%
**31
91%
[Alliant Reloder-16]*
<<locked>>
94%
37434
76%
**43
90%
[Alliant Reloder-17]*
<<locked>>
86%
33011
67%
**31
90%
[Baschieri & Pellagri 107]*
<<locked>>
81%
37608
76%
**14
91%
Hodgdon BL-C2
<<locked>>
81%
39247
80%
**82
95%
[Hodgdon CFE223]*
<<locked>>
83%
35665
72%
**87
90%
[Hodgdon H380]*
<<locked>>
85%
37260
76%
**87
90%
[Hodgdon Hybrid 100V]*
<<locked>>
92%
32010
65%
**56
90%
[Hodgdon LVR]*
<<locked>>
92%
38841
79%
**73
90%
[Hodgdon VARGET]*
<<locked>>
82%
33924
69%
**76
90%
Hodgdon TrailBoss
<<locked>>
81%
26005
53%
**88
100%
IMR 3031
<<locked>>
81%
34316
70%
**77
98%
[IMR 4064]*
<<locked>>
82%
33170
67%
**49
90%
[IMR 4895]*
<<locked>>
81%
35302
72%
**81
92%
IMR 8208 XBR
<<locked>>
81%
40741
83%
**63
96%
Lovex D073.6
<<locked>>
81%
36941
75%
**04
96%
[Lovex S060]*
<<locked>>
81%
39523
80%
**77
94%
[Lovex S062]*
<<locked>>
81%
34156
69%
**95
93%
[Lovex S065]*
<<locked>>
92%
40059
81%
**30
90%
Norma 201
<<locked>>
81%
37811
77%
**94
95%
Norma 202
<<locked>>
81%
37637
76%
**07
97%
[Norma 203B]*
<<locked>>
81%
33982
69%
**22
91%
[Norma URP]*
<<locked>>
93%
36216
73%
**14
90%
[Ramshot Big Game]*
<<locked>>
81%
33504
68%
**12
90%
[Ramshot TAC]*
<<locked>>
81%
40741
83%
**33
91%
[Ramshot Wild Boar]*
<<locked>>
81%
39508
80%
**59
94%
ReloadSwiss RS 14
<<locked>>
81%
25918
53%
**31
100%
[ReloadSwiss RS 52]*
<<locked>>
81%
32227
65%
**18
93%
[ReloadSwiss RS 60]*
<<locked>>
86%
32358
66%
**15
90%
[ReloadSwiss RS 62]*
<<locked>>
94%
37057
75%
**50
90%
[Rottweil R 902]*
<<locked>>
81%
35752
72%
**22
94%
[Rottweil R 903]*
<<locked>>
82%
29820
60%
**00
90%
[SNPE Vectan SP 11]*
<<locked>>
83%
33098
67%
**12
90%
[SNPE Vectan SP 7]*
<<locked>>
81%
38682
78%
**91
91%
[SNPE Vectan SP 9]*
<<locked>>
81%
37028
75%
**87
93%
SNPE Vectan Tubal 3000
<<locked>>
81%
39552
80%
**71
98%
SNPE Vectan Tubal 5000
<<locked>>
81%
32387
66%
**00
97%
[Shooters World Long Rifle]*
<<locked>>
92%
40059
81%
**30
90%
Shooters World Match Rifle
<<locked>>
81%
36941
75%
**04
96%
[Shooters World Precision]*
<<locked>>
81%
34156
69%
**95
93%
Somchem S335
<<locked>>
81%
38928
79%
**68
99%
[Somchem S341]*
<<locked>>
81%
38203
77%
**97
93%
[Somchem S355]*
<<locked>>
82%
30908
63%
**13
90%
[Somchem S365]*
<<locked>>
90%
29573
60%
**27
90%
Vihtavuori N133
<<locked>>
81%
36970
75%
**25
99%
Vihtavuori N135
<<locked>>
81%
28906
59%
**64
97%
Vihtavuori N140
<<locked>>
81%
35404
72%
**22
97%
[Vihtavuori N150]*
<<locked>>
83%
27412
56%
**85
90%
[Vihtavuori N160]*
<<locked>>
91%
37043
75%
**84
90%
Vihtavuori N540
<<locked>>
81%
35186
71%
**41
97%
[Vihtavuori N550]*
<<locked>>
90%
36230
73%
**17
90%
[Winchester 6.5 StaBALL]*
<<locked>>
87%
31720
64%
**84
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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