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Load data for .255 GS + .257 | 80gr | Impala LW CFN

Recommended Powder(s): IMR 4895, Norma 203B, Ramshot Big Game, ReloadSwiss RS 52, SNPE Vectan SP 11

.255 GS + .257 | 80gr | Impala LW CFN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.257 | 80gr | Impala LW CFN
Bullet Weight:
80gr | 5.2g
Bullet Diameter:
0.257" | 6.53mm
Bullet Length:
0.930" | 23.6mm
Caliber:
.255 GS load data
Case Length (l3):
2.165" | 55.0mm
Cartridge Length (C.O.L.):
2.811" | 71.4mm
Seated Depth:
0.284" | 7.2mm
Shank Seated Depth:
0.284" | 7.2mm
Case Capacity:
62.0 Grains of Water | 4.03 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B2972_C229
Last updated:
2025-01-01

Load data for 178 loads in caliber .255 GS with .257 | 80gr | Impala LW CFN bullet and 89 powders such as IMR 4895, Norma 203B, Ramshot Big Game, ReloadSwiss RS 52, SNPE Vectan SP 11. 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>>
87%
56608
89%
**65
99%
ADI AR 2208
<<locked>>
93%
56855
89%
**42
99%
Accurate 2015
<<locked>>
83%
56710
89%
**60
100%
Accurate 2200
<<locked>>
86%
57305
90%
**45
98%
Accurate 2495
<<locked>>
86%
56927
89%
**32
100%
Accurate 2520
<<locked>>
85%
56594
89%
**45
100%
Accurate 2700
<<locked>>
94%
57334
90%
**63
95%
Accurate 4064
<<locked>>
92%
57363
90%
**55
100%
Accurate 4350
<<locked>>
97%
51474
81%
**12
97%
Alliant AR-Comp
<<locked>>
86%
57072
89%
**22
100%
Alliant Reloder- TS 15.5
<<locked>>
93%
57363
90%
**78
100%
Alliant Reloder-15
<<locked>>
90%
56260
88%
**78
99%
Alliant Reloder-16
<<locked>>
96%
49110
77%
**09
97%
Alliant Reloder-17
<<locked>>
96%
57246
90%
**89
100%
Alliant Reloder-23
<<locked>>
97%
36477
57%
**94
95%
[Alliant Reloder-26]*
<<locked>>
97%
40132
63%
**41
93%
Baschieri & Pellagri 107
<<locked>>
87%
56391
88%
**68
98%
Hodgdon BL-C2
<<locked>>
86%
57174
90%
**88
100%
Hodgdon Benchmark
<<locked>>
85%
56869
89%
**99
100%
Hodgdon CFE223
<<locked>>
91%
57159
90%
**14
99%
Hodgdon H322
<<locked>>
84%
56710
89%
**35
100%
Hodgdon H380
<<locked>>
92%
56710
89%
**68
98%
Hodgdon H414
<<locked>>
95%
56594
89%
**17
96%
[Hodgdon H4350]*
<<locked>>
97%
48530
76%
**78
93%
Hodgdon Hybrid 100V
<<locked>>
96%
45832
72%
**81
98%
Hodgdon LVR
<<locked>>
97%
54766
86%
**68
97%
Hodgdon Superperformance
<<locked>>
97%
55405
87%
**91
95%
Hodgdon VARGET
<<locked>>
94%
57406
90%
**61
99%
Hodgdon TrailBoss
<<locked>>
96%
33881
53%
**56
100%
IMR 3031
<<locked>>
90%
57145
90%
**81
100%
IMR 4064
<<locked>>
94%
56695
89%
**42
99%
IMR 4166 Enduron
<<locked>>
94%
57217
90%
**12
96%
[IMR 4350]*
<<locked>>
96%
50633
79%
**14
93%
IMR 4451 Enduron
<<locked>>
96%
57421
90%
**42
96%
IMR 4831
<<locked>>
97%
43468
68%
**28
96%
IMR 4895 👍
<<locked>>
90%
56782
89%
**97
99%
IMR 8208 XBR
<<locked>>
86%
57014
89%
**45
100%
Lovex D073.6
<<locked>>
87%
56594
89%
**45
100%
Lovex S060
<<locked>>
88%
57246
90%
**06
99%
Lovex S062
<<locked>>
92%
57348
90%
**48
100%
Lovex S065
<<locked>>
97%
55956
88%
**19
97%
Lovex S070
<<locked>>
97%
53316
84%
**79
95%
Norma 201
<<locked>>
88%
57217
90%
**45
100%
Norma 202
<<locked>>
88%
56826
89%
**35
100%
Norma 203B 👍
<<locked>>
91%
56797
89%
**84
99%
[Norma 204]*
<<locked>>
97%
51082
80%
**63
92%
Norma URP
<<locked>>
97%
50778
80%
**06
97%
Ramshot Big Game 👍
<<locked>>
91%
56971
89%
**94
99%
Ramshot Hunter
<<locked>>
97%
49342
77%
**66
95%
Ramshot TAC
<<locked>>
86%
57000
89%
**28
97%
Ramshot Wild Boar
<<locked>>
86%
56434
88%
**65
99%
Ramshot X-Terminator
<<locked>>
84%
57406
90%
**28
99%
ReloadSwiss RS 14
<<locked>>
96%
34301
54%
**01
100%
ReloadSwiss RS 50
<<locked>>
92%
57348
90%
**38
97%
ReloadSwiss RS 52 👍
<<locked>>
91%
56594
89%
**04
100%
ReloadSwiss RS 60
<<locked>>
97%
56434
88%
**02
100%
ReloadSwiss RS 62
<<locked>>
96%
50995
80%
**32
97%
ReloadSwiss RS 70
<<locked>>
97%
50792
80%
**32
96%
Rottweil R 901
<<locked>>
85%
56884
89%
**02
100%
Rottweil R 902
<<locked>>
90%
57421
90%
**32
100%
Rottweil R 903
<<locked>>
94%
56985
89%
**71
100%
Rottweil R 907
<<locked>>
96%
57000
89%
**19
95%
SNPE Vectan SP 11 👍
<<locked>>
94%
57363
90%
**10
99%
SNPE Vectan SP 7
<<locked>>
86%
56811
89%
**32
98%
SNPE Vectan SP 9
<<locked>>
88%
56666
89%
**55
99%
SNPE Vectan Tubal 3000
<<locked>>
87%
56681
89%
**50
100%
SNPE Vectan Tubal 5000
<<locked>>
93%
57000
89%
**40
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
55970
88%
**43
96%
Shooters World Long Rifle
<<locked>>
97%
55956
88%
**19
97%
Shooters World Match Rifle
<<locked>>
87%
56594
89%
**45
100%
Shooters World Precision
<<locked>>
92%
57348
90%
**48
100%
Somchem S321
<<locked>>
84%
57392
90%
**61
100%
Somchem S335
<<locked>>
87%
56840
89%
**56
100%
Somchem S341
<<locked>>
87%
56521
89%
**35
99%
Somchem S355
<<locked>>
95%
57188
90%
**65
100%
Somchem S365
<<locked>>
96%
45165
71%
**33
99%
Vihtavuori N130
<<locked>>
84%
56753
89%
**23
100%
Vihtavuori N133
<<locked>>
90%
57101
89%
**40
100%
Vihtavuori N135
<<locked>>
96%
56550
89%
**96
100%
Vihtavuori N140
<<locked>>
90%
56753
89%
**06
100%
Vihtavuori N150
<<locked>>
97%
52315
82%
**43
100%
Vihtavuori N160
<<locked>>
97%
56217
88%
**55
98%
Vihtavuori N530
<<locked>>
84%
56362
88%
**48
100%
Vihtavuori N540
<<locked>>
90%
56855
89%
**32
100%
Vihtavuori N550
<<locked>>
97%
56420
88%
**01
98%
Vihtavuori N555
<<locked>>
97%
39334
62%
**86
95%
Winchester 6.5 StaBALL
<<locked>>
97%
53954
85%
**89
99%
Winchester 748
<<locked>>
84%
57058
89%
**88
100%
Winchester 760
<<locked>>
95%
56594
89%
**17
96%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
46586
73%
**71
98%
ADI AR 2208
<<locked>>
81%
39827
62%
**84
95%
Accurate 2015
<<locked>>
81%
52707
83%
**94
100%
Accurate 2200
<<locked>>
81%
48588
76%
**74
97%
Accurate 2495
<<locked>>
81%
48965
77%
**97
100%
Accurate 2520
<<locked>>
81%
48878
77%
**10
100%
[Accurate 2700]*
<<locked>>
84%
41858
66%
**45
90%
Accurate 4064
<<locked>>
81%
41437
65%
**43
100%
[Accurate 4350]*
<<locked>>
82%
31502
49%
**20
90%
Alliant AR-Comp
<<locked>>
81%
48689
76%
**84
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
39349
62%
**10
97%
Alliant Reloder-15
<<locked>>
81%
42192
66%
**89
96%
[Alliant Reloder-16]*
<<locked>>
83%
32489
51%
**53
90%
[Alliant Reloder-17]*
<<locked>>
81%
34258
54%
**38
94%
[Alliant Reloder-23]*
<<locked>>
90%
29457
46%
**64
90%
[Alliant Reloder-26]*
<<locked>>
93%
35462
56%
**94
90%
Baschieri & Pellagri 107
<<locked>>
81%
45701
72%
**51
96%
Hodgdon BL-C2
<<locked>>
81%
48660
76%
**23
99%
Hodgdon Benchmark
<<locked>>
81%
50415
79%
**78
99%
[Hodgdon CFE223]*
<<locked>>
81%
40495
63%
**66
94%
Hodgdon H322
<<locked>>
81%
51503
81%
**46
100%
[Hodgdon H380]*
<<locked>>
81%
40030
63%
**10
94%
[Hodgdon H414]*
<<locked>>
84%
39392
62%
**33
90%
[Hodgdon H4350]*
<<locked>>
92%
41930
66%
**30
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
28427
45%
**82
90%
[Hodgdon LVR]*
<<locked>>
82%
33982
53%
**82
90%
[Hodgdon Superperformance]*
<<locked>>
89%
42859
67%
**22
90%
Hodgdon VARGET
<<locked>>
81%
39363
62%
**74
95%
Hodgdon TrailBoss
<<locked>>
81%
27006
42%
**78
100%
IMR 3031
<<locked>>
81%
42772
67%
**19
100%
IMR 4064
<<locked>>
81%
38696
61%
**45
95%
[IMR 4166 Enduron]*
<<locked>>
82%
39349
62%
**25
90%
[IMR 4350]*
<<locked>>
90%
41655
65%
**23
90%
[IMR 4451 Enduron]*
<<locked>>
83%
39537
62%
**48
90%
[IMR 4831]*
<<locked>>
86%
31154
49%
**97
90%
IMR 4895
<<locked>>
81%
43308
68%
**22
97%
IMR 8208 XBR
<<locked>>
81%
48530
76%
**74
99%
Lovex D073.6
<<locked>>
81%
46180
72%
**51
100%
Lovex S060
<<locked>>
81%
46354
73%
**92
98%
Lovex S062
<<locked>>
81%
41742
65%
**33
98%
[Lovex S065]*
<<locked>>
82%
35143
55%
**43
90%
[Lovex S070]*
<<locked>>
86%
38537
60%
**51
90%
Norma 201
<<locked>>
81%
45919
72%
**22
99%
Norma 202
<<locked>>
81%
45716
72%
**32
100%
Norma 203B
<<locked>>
81%
41742
65%
**66
96%
[Norma 204]*
<<locked>>
94%
46528
73%
**68
90%
[Norma URP]*
<<locked>>
82%
31923
50%
**27
90%
Ramshot Big Game
<<locked>>
81%
40944
64%
**73
96%
[Ramshot Hunter]*
<<locked>>
88%
37086
58%
**68
90%
Ramshot TAC
<<locked>>
81%
48733
76%
**74
96%
Ramshot Wild Boar
<<locked>>
81%
47906
75%
**91
98%
Ramshot X-Terminator
<<locked>>
81%
52460
82%
**33
99%
ReloadSwiss RS 14
<<locked>>
81%
27456
43%
**28
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
40306
63%
**84
92%
ReloadSwiss RS 52
<<locked>>
81%
40292
63%
**82
98%
[ReloadSwiss RS 60]*
<<locked>>
81%
33344
52%
**25
94%
[ReloadSwiss RS 62]*
<<locked>>
84%
33228
52%
**82
90%
[ReloadSwiss RS 70]*
<<locked>>
86%
36158
57%
**68
90%
Rottweil R 901
<<locked>>
81%
50314
79%
**94
100%
Rottweil R 902
<<locked>>
81%
43700
68%
**63
98%
Rottweil R 903
<<locked>>
81%
37101
58%
**48
96%
[Rottweil R 907]*
<<locked>>
86%
41205
65%
**91
90%
SNPE Vectan SP 11
<<locked>>
81%
37521
59%
**81
95%
SNPE Vectan SP 7
<<locked>>
81%
47427
74%
**41
96%
SNPE Vectan SP 9
<<locked>>
81%
44976
70%
**22
97%
SNPE Vectan Tubal 3000
<<locked>>
81%
47166
74%
**82
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
39334
62%
**05
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
85%
38290
60%
**82
90%
[Shooters World Long Rifle]*
<<locked>>
82%
35143
55%
**43
90%
Shooters World Match Rifle
<<locked>>
81%
46180
72%
**51
100%
Shooters World Precision
<<locked>>
81%
41742
65%
**33
98%
Somchem S321
<<locked>>
81%
52779
83%
**69
100%
Somchem S335
<<locked>>
81%
46760
73%
**76
100%
Somchem S341
<<locked>>
81%
46470
73%
**41
98%
Somchem S355
<<locked>>
81%
37695
59%
**51
96%
[Somchem S365]*
<<locked>>
81%
27746
43%
**25
92%
Vihtavuori N130
<<locked>>
81%
51982
81%
**48
100%
Vihtavuori N133
<<locked>>
81%
44019
69%
**17
100%
Vihtavuori N135
<<locked>>
81%
36608
57%
**09
100%
Vihtavuori N140
<<locked>>
81%
43265
68%
**50
100%
Vihtavuori N150
<<locked>>
81%
32256
51%
**74
95%
[Vihtavuori N160]*
<<locked>>
81%
33272
52%
**27
91%
Vihtavuori N530
<<locked>>
81%
51576
81%
**60
99%
Vihtavuori N540
<<locked>>
81%
42743
67%
**63
99%
[Vihtavuori N550]*
<<locked>>
81%
33750
53%
**82
91%
[Vihtavuori N555]*
<<locked>>
89%
30516
48%
**33
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
31966
50%
**54
93%
Winchester 748
<<locked>>
81%
52228
82%
**96
100%
[Winchester 760]*
<<locked>>
84%
39392
62%
**33
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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